New-Cover-A4_22023_Covers-2007 9/20/2023 2:39 PM Page 2

Shock Absorbers
and Rate Controls
New-Cover-A4_22023_Covers-2007 9/20/2023 2:39 PM Page 3

Under the Enidine brand, we are a global leader in the design and manufacture of standard and custom energy absorption
and vibration isolation product solutions. Product ranges include shock absorbers, rate controls, air springs, wire rope isola-
tors, heavy duty buffers and emergency stops.

From Original Equipment Manufactures (OEM) to aftermarket applications, we offer a unique combination of product
selection, engineering excellence and technical support to meet the toughest energy absorption requirements.

Industry leading energy

absorption and vibration
isolation solutions.
Table of Contents
Product Selection
Company Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

General
New Technologies and Enhancements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Theory of Energy Absorption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Sizing Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
Quick Selection Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-18
Shock Absorber Products

ECO/OEM/XT
ECO OEM/OEMXT Series (Adjustable Shock Absorbers)
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-20
Technical Data and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-34
Adjustment Techniques/Typical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35-36

TK/STH Series (Non-Adjustable Shock Absorbers)

TK/STH
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37-38
Technical Data, Accessories and Sizing Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39-43
Typical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

ECO Series (Non-Adjustable Shock Absorbers)

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-46

ECO
ECO Technical Data, Accessories and Sizing Curves . . . . . . . . . . . . . . . . . . . . . . . . 47-55
Typical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

PMXT Series (Non-Adjustable Shock Absorbers)

PMXT
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57-58
Technical Data, Accessories and Sizing Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59-63
Typical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

HDN/HD/HDA Series (Heavy Duty Shock Absorbers)

HDN/HD/HDA
HDN Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
HDN Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66-70
HDA/Adjustment Techniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71-72
HD Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
HD Technical Data, Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74-77
Configuration Worksheet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

HI Series (Heavy Industry Buffers)

Overview/Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79-80

HI
Technical Data, Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81-82

Jarret Series
Overview/Visco-elastic Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83-84

JT
Technical Data/Application Worksheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85-92

Rate Control Products

ADA/DA
Rate Controls
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93-95
Adjustment Techniques/Typical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96-98
ADA Technical Data, Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101-102
DA Technical Data, Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103-104

Vibration Isolation Products

Wire Rope Isolators
WR

Overview/Typical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105-106

Ordering Information/Application Worksheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107-108
WR Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109-136

Compact Wire Rope Isolators

Overview/Typical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137-139
CR

Ordering Information/Application Worksheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

CR Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141-152

Engineered Products
HERM

HERM (High Energy Rope Mounts)

Overview/Typical Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153-155
Application Worksheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
HERM Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157-172

Custom Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173-174

Application Worksheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

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 Company Overview
ITT Enidine
Overview
With its world headquarters located in Orchard Park, New
York, USA, ITT ENIDINE Inc. is a world leader in the design
and manufacture of standard and custom energy absorption
Company Overview

and vibration isolation product solutions within the Industrial,

Aerospace, Defense, Marine and Rail markets. Product
ranges include shock absorbers, gas springs, rate controls,
air springs, wire rope isolators, heavy industry buffers and
emergency stops. With facilities strategically located
throughout the world and in partnership with our vast
global network of distributors, ITT Enidine continues to
strengthen its presence within marketplace.

Founded in 1966, ITT Enidine now has close to 400

employees located throughout the globe in the United
States, Germany, France, Japan and China. With a
team of professionals in engineering, computer science,
manufacturing, production and marketing our employees
provide our customers the very best in service and
application solutions.

“ITT Enidine Inc. is widely recognized as the

preferred source for energy absorption and
vibration isolation products.”

From Original Equipment Manufacturers (OEM) to aftermarket applications, ITT Enidine offers a unique combination of product
selection, engineering excellence and technical support to meet even the toughest energy absorption application requirements.

Global Manufacturing and Sales Facilities offer our customers:

• Highly Trained Distribution Network

• State-of-the Art Engineering Capabilities
• Custom Solution Development
• Customer Service Specialists
• Multiple Open Communication Channels

If you are unsure whether one of our standard products meets your requirements, feel free to speak with one of our
technical representatives at +49 6063 9314 0, or contact us via e-mail at info@enidine.eu.

Products/Engineering/Technical Support

ITT Enidine continually strives to provide the widest selection of shock absorbers and rate control products in the global
marketplace. Through constant evaluation and testing, we bring our customers the most cost effective products with
more features, greater performance and improved ease of use.

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 New Technologies and Enhancements
Research and Development
New Products and Services
ITT Enidine engineers continue to monitor and influence trends
in the motion control industry, allowing us to remain at the
forefront of new energy absorption and vibration isolation
product development.

NEW Technology
Our experienced engineering team has designed custom
solutions for a wide variety of challenging applications,
including automated warehousing systems and shock
absorbers for hostile industrial environments such as
glass manufacturing, among others. These custom
application solutions have proven to be critical to
our customers’ success. Let ITT Enidine engineers
do the same for you.

A talented engineering staff works to design and maintain the

most efficient energy absorption product lines available today,
using the latest engineering tools:

• 3-D CAD Solid Modeling

• 3-D Soluble Prototype Printing Capabilities
• Finite Element Analysis
• Complete Product Verification Testing Facility

New product designs get to market fast because they can be

fully developed in virtual environments before a prototype is
Custom designs are not an exception at ITT Enidine, they are an integral part
of our business. Should your requirements fit outside of our standard
ever built. This saves time and lets us optimize the best
product range, ITT Enidine engineers can assist in developing special finishes, solution using real performance criteria.
components, hybrid technologies and new designs to ensure a “best-fit”
product solution customized to your exact specifications.

Global Service and Support

ITT Enidine offers its customers a global network of customer service staff technical
sales personnel that are available to assist you with all of your application needs.

• Operating with lean manufacturing and cellular production, ITT Enidine

produces higher quality custom and standard products with greater efficiency
and within shorter lead times.

• An authorized Global Distribution Network is trained regularly by the

ITT Enidine staff on new products and services ensuring they are
better able to serve you.

• New Enisize Sizing Portal provides our customers with

the necessary sizing and design tools. www.enisize.com

• Global operations in United States, Germany, France,

China and Japan.

• A comprehensive, website full of application information,

technical data, sizing examples and information to assist
in selecting the product that’s right for you. Our global customer service and technical sales departments are
available to assist you find the solution that’s right for your
Our website also features a searchable worldwide distributor application needs. Call us at +49 6063 9314 0 or e-mail us
lookup to help facilitate fast, localized service. Contact us at info@enidine.eu and let us get started today.
today for assistance with all of your application needs.

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 Theory of Energy Absorption
ITT Enidine
Overview
As companies strive to increase productivity by operating The advantages of using shock absorbers include:
Theory of Energy Absorption

machinery at higher speeds, often the results are increased

1. Longer Machine Life – The use of shock absorbers
noise, damage to machinery/products, and excessive
significantly reduces shock and vibration to machinery.
vibration. At the same time, safety and machine reliability are
This eliminates machinery damage, reduces downtime
decreased. A variety of products are commonly used to solve
and maintenance costs, while increasing machine life.
these problems. However, they vary greatly in effectiveness and
operation. Typical products used include rubber bumpers, 2. Higher Operating Speeds – Machines can be operated
springs, cylinder cushions and shock absorbers. The following at higher speeds because shock absorbers control or gently
illustrations compare how the most common products perform: stop moving objects. Therefore, production rates can be
increased.
3. Improved Production Quality – Harmful side effects of
motion, such as noise, vibration and damaging impacts,
are moderated or eliminated so the quality of production
is improved. Therefore, tolerances and fits are easier to
maintain.
4. Safer Machinery Operation – Shock absorbers protect
machinery and equipment operators by offering predictable,
reliable and controlled deceleration. They can also be
designed to meet specified safety standards, when
required.
5. Competitive Advantage – Machines become more
valuable because of increased productivity, longer life,
Rubber Metal ITT Enidine lower maintenance costs and safer operation.
Bumper Spring Shock Absorber
Automotive vs. Industrial Shock Absorbers
All moving objects possess kinetic energy. The amount of It is important to understand the
energy is dependent upon weight and velocity. A mechanical differences that exist between the
device that produces forces diametrically opposed to the standard automotive-style shock
direction of motion must be used to bring a moving object absorber and the industrial
to rest. shock absorber.
Rubber bumpers and springs,
although very inexpensive, have an The automotive style employs the deflective beam and
undesirable recoil effect. Most of washer method of orificing. Industrial shock absorbers
the energy absorbed by these at impact utilize single orifice, multi-orifice and metering pin
is actually stored. This stored energy is configurations. The automotive type maintains a
returned to the load, producing rebound damping force which varies in direct proportion to
and the potential for damage to the load the velocity of the piston, while the damping force in
or machinery. Rubber bumpers and the industrial type varies in proportion to the square of
springs initially provide low resisting the piston velocity. In addition, the damping force of the
force which increases with the stroke. automotive type is independent of the stroke position
while the damping force associated with the industrial
Cylinder cushions are limited in their type can be designed either dependent or independent
range of operation. Most often they of stroke position.
are not capable of absorbing energy
generated by the system. by design,
cushions have a relatively short stroke
and operate at low pressures resulting in
very low energy absorption. The remaining
energy is transferred to the system,
causing shock loading and vibration.
Shock absorbers provide controlled, predictable
deceleration. These products work by converting kinetic
energy to thermal energy. More specifically, motion
applied to the piston of a hydraulic shock absorber
pressurizes the fluid and forces it to flow through
restricting orifices, causing the fluid to heat rapidly.
The thermal energy is then transferred to the cylinder
body and harmlessly dissipated to the atmosphere.

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Theory of Energy Absorption
ITT Enidine
Overview
Equally as important, automotive-style shock absorbers are Shock Absorber Performance

Theory of Energy Absorption

designed to absorb only a specific amount of input energy. When Weight or Impact Velocity Vary
This means that, for any given geometric size of automotive
shock absorber, it will have a limited amount of absorption When conditions change from the original calculated data
capability compared to the industrial type. or actual input, a shock absorber’s performance can be
greatly affected, causing failure or degradation of
This is explained by observing the structural design of performance. Variations in input conditions after a
the automotive type and the lower strength of materials shock absorber has been installed can cause internal
commonly used. These materials can withstand the lower damage, or at the very least, can result in unwanted
pressures commonly found in this type. The industrial damping performance. Variations in weight or impact
shock absorber uses higher strength materials, enabling velocity can be seen by examining the following
it to function at higher damping forces. energy curves:
Varying Impact Weight: Increasing the impact weight
Damping Force
Adjustment Techniques Min. Max. (impact velocity remains unchanged), without reorificing
or readjustment will result in increased damping force at
A properly adjusted shock absorber
the end of the stroke. Figure 1 depicts this undesirable
safely dissipates energy, reducing
bottoming peak force. This force is then transferred to the
damaging shock loads and noise levels.
mounting structure and impacting load.
For optimum adjustment setting see
useable adjustment setting graphs.
Watching and “listening” to a shock
absorber as it functions aids in
proper adjustment.
To correctly adjust a shock absorber, set the adjustment knob at
zero (0) prior to system engagement. Cycle the mechanism and
observe deceleration of the system.
If damping appears too soft (unit strokes with no visual
deceleration and bangs at end of stroke), move indicator to
next largest number. Adjustments must be made in gradual
increments to avoid internal damage to the unit (e.g., adjust
from 0 to 1, not 0 to 4).
Increase adjustment setting until smooth deceleration or Figure 1
control is achieved and negligible noise is heard when the
system starts either to decelerate or comes to rest. Varying Impact Velocity: Increasing impact velocity
(weight remains the same) results in a radical change
When abrupt deceleration occurs at the beginning of the stroke in the resultant shock force. Shock absorbers are velocity
(banging at impact), the adjustment setting must be moved to a conscious products; therefore, the critical relationship to
lower number to allow smooth deceleration. impact velocity must be carefully monitored. Figure 2 depicts
If the shock absorber adjustment knob is set at the high end of the substantial change in shock force that occurs when the
the adjustment scale and abrupt deceleration occurs at the end velocity is increased. Variations from original design data
of the stroke, a larger unit may be required. or errors in original data may cause damage to mounting
structures and systems, or result in shock absorber failure
if the shock force limits are exceeded.

Figure 2

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 Shock Absorber Sizing Examples
Typical Shock Absorber Applications
Overview
Shock Absorber Sizing Examples

SHOCK ABSORBER SIZING RATE CONTROL SIZING

Follow the next six steps to manually size ITT Enidine shock absorbers: Follow the next five steps to manually size
ITT Enidine rate controls:
STEP 1: Identify the following parameters. These must be known for all energy
STEP 1: Identify the following parameters.
absorption calculations. Variations or additional information may be required in
These must be known for all rate control
some cases.
calculations. Variations or additional
A. Weight of the load to be stopped (Kg).
information may be required in some cases.
B. Velocity of the load upon impact with the shock absorber (m/s).
A. Weight of the load to be controlled Kg
C. External (propelling) forces acting on the load (N), if any.
B. Desired velocity of the load m/s
D. Cyclic frequency at which the shock absorber will operate.
C. External (propelling) force acting on the
E. Orientation of the application’s motion (i.e. horizontal, vertical up,
load N, if any.
vertical down, inclined, rotary horizontal, rotary vertical up, rotary
D. Cyclic frequency at which the rate control
vertical down).
will operate.
NOTE: For rotary applications, it is necessary to determine both the radius of E. Orientation of the application’s motion
gyration (K) and the mass moment of inertia (Ι). both of these terms locate the mass (i.e. horizontal, vertical up, vertical down,
of a rotating object with respect to the pivot point. It is also necessary to determine inclined, rotary horizontal, rotary vertical
the angular velocity (ω) and the torque (T). up, rotary vertical down.)
STEP 2: Calculate the kinetic energy of the moving object. F. Damping direction (i.e., tension [T],
compression [C] or both [T and C].
EK = I ω2 (rotary) or EK = 1 MV2 (linear) G. Required stroke mm
2 2
NOTE: For rotary applications, please
submit the application worksheet on
Utilizing the Product Locators for Shock Absorbers located at the beginning page 175 to ITT Enidine for sizing.
of each product family section, select a model, either adjustable or
non-adjustable, with a greater energy per cycle capacity than the STEP 2: Calculate the propelling force at
value just calculated. the rate control in each direction damping is
required. (See sizing examples on page 6-15).
STEP 3: Calculate the work energy input from any external (propelling) forces
acting on the load, using the stroke of the model selected in Step 2. CAUTION: The propelling force in each
direction must not exceed the maximum
T propelling force listed for the chosen model.
EW = FD x S (linear) or EW = R x S (rotary)
S If the propelling force is too high, select a
Caution: The propelling force must not exceed the maximum propelling force larger model.
listed for the model chosen. If the propelling force is too high, select a larger
model and recalculate the work energy. STEP 3: Calculate the total energy per cycle
ET = EW (tension) + EW (compression)
STEP 4: Calculate the total energy per cycle E T = E K + E W EW = FD x S
The model selected must have at least this much energy capacity. If not, select a
model with greater energy capacity and return to Step 3. STEP 4: Calculate the total energy per hour
E TC = E T x C
STEP 5: Calculate the energy that must be absorbed per hour. Even though the
shock absorber can absorb the energy in a single impact, it may not be able to The model selected must have an
dissipate the heat generated if the cycle rate is too high. energy per hour capacity greater than this
E TC = E T x C calculated figure. If not, choose a model with
a higher energy per hour capacity.
The model selected must have an energy per hour capacity greater than this
Compare the damping direction, stroke,
calculated figure. If it is not greater, there are two options:
propelling force, and total energy per hour
1. Choose another model that has more energy per hour capacity (because of
to the values listed in the Rate Controls
larger diameter or stroke). Keep in mind that if the stroke changes, you must
Engineering Data Charts (pages 99-104).
return to Step 3.
2. Use an Air/Oil Tank. The increased surface area of the tank and piping will STEP 5: If you have selected a rate control,
increase the energy per hour capacity by 20 percent. refer to the sizing graphs in the Rate Controls
STEP 6: If you have selected an TK or ECO Series model, refer to the sizing section to determine the required damping
graph(s) in the appropriate series section to determine the required damping constant.
constant. If the point cannot be found in the sizing graph, you must select a larg- If you have selected an adjustable model
er model or choose a different series. Note that if the stroke changes, you must (ADA), refer to the Useable Adjustment Setting
return to Step 3. Range graph for the chosen model. The desired
If you have selected an adjustable model (OEM or HDA Series), refer to the velocity must fall within the limits shown on the
Useable Adjustment Setting Range graph for the chosen model. The impact graph.
velocity must fall within the limits shown on the graph.

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Shock Absorber Sizing Examples
Typical Shock Absorber Applications
Overview

Shock Absorber Sizing Examples

SYMBOLS α 4. To Determine Propelling Force of
θ
=
Angle of incline (degrees)
a = Acceleration (m/s2) =
Start point from true vertical 0˚ (degrees) Pneumatic or Hydraulic Cylinders
A = Width (m) µ =
Coefficient of friction FD = 0,0785 x d 2 x P
ω
B = Thickness (m) Ø =
Angle of rotation (degrees)
C = Number of cycles per hour =
Angular velocity (rad/s) 5. Free Fall Applications
d = Cylinder bore diameter (mm) A. Find Velocity for a Free Falling Weight:
D = Distance (m) USEFUL FORMULAS V = √19,6 x H
EK = Kinetic energy (Nm) 1. To Determine Reaction Force B. Kinetic Energy of Free Falling Weight:
ET = Total energy per cycle ET EK = 9,8 x M x H
(Nm/c), E K + E W FP =
S x .85
ETC = Total energy to be absorbed per 6. Deceleration
hour (Nm/hr) For Non-Adjustable ECO Series only, use A. To Determine the Approximate Stroke
EW = Work or drive energy (Nm) ET
FD = Propelling force (N) FP =
S x .50 a = FP - FD
FP = Shock force (N) M
H = Height (m) 2. To Determine Impact Velocity
Hp = Motor rating (kw) A. If there is no acceleration (V is constant)
(e.g., load being V=D B. To Determine the Approximate Stroke
I = Mass moment of inertia (kgm2) (Conventional Damping Only)
K = Radius of gyration (m) pushed by hydraulic cylinder t
L = Length (m) or motor driven.) EK
V=2xD S=
P = Operating pressure (bar) B. If there is acceleration. a x M 0,85 - 0,15 FD
RS = Mounting distance from pivot point (m) (e.g., load being t
*For ECO and TK Models:
S = Stroke of shock absorber (m) pushed by air cylinder) EK
t = Time (s) S=
3. To Determine Propelling Force a x M 0,5 - 0,5 FD
T = Torque (Nm)
V = Impact velocity (m/s) Generated by Electric Motor
M = Mass (kg) NOTE: Constants are printed in bold.
FD = 3000 x kw
V

The following examples are shown using Metric formulas and units of measure.
Shock Absorbers
EXAMPLE 1:
Vertical Free Falling Weight

STEP 1: Application Data STEP 3: Calculate work energy STEP 5: Calculate total
(M) Mass = 1 550 kg EW = 9,8 M x S energy per hour
(H) Height = 0,5 m EW = 9,8 x 1 550 x 0,15 E TC = E T x C
(C) Cycles/Hr = 2 EW = 2 278,5 Nm E TC = 9 873,5 x 2
E TC = 19 747 Nm/hr
STEP 2: Calculate kinetic energy STEP 4: Calculate total
EK = 9,8 x M x H energy per cycle STEP 6: Calculate impact velocity
EK = 9,8 x 1 550 x 0,5 ET = EK + EW and confirm selection
EK = 7 595 Nm E T = 7 595 + 2 278,5 V = √19,6 x H
E T = 9 873,5 Nm/c V = √19,6 x 0,5
Assume Model OEM 4.0M x 6 is
V = 3,1 m/s
adequate (Page 31).
Model OEM 4.0M x 6 is adequate
for this application.

EXAMPLE 2:
Vertical Moving Load with
Propelling Force Downward STEP 1: Application Data STEP 3: Calculate work energy STEP 5: Calculate total
(M) Mass = 1 550 kg FD = [0,0785 x d2 x P] + [9,8 x M] energy per hour
(V) Velocity = 2,0 m/s FD = [0,0785 x 1002 x 5] + [9,8 x 1 550] E TC = ET x C
(d) Cylinder bore dia. = 100mm FD = 19 117 N E TC = 5 011,7 x 200
(P) Pressure = 5 bar E W = FD x S E TC = 1 002 340 Nm/hr
(C) Cycles/Hr = 200 E W = 19 117 x 0,1
Model OEM 4.0M x 4 is adequate.
E W = 1 911,7 Nm
STEP 2: Calculate kinetic energy
M 1 550 STEP 4: Calculate total
EK = x V2 = x 22 energy per cycle
2 2
EK = 3 100 Nm E T = EK + EW
E T = 3 100 + 1 911,7
Assume Model OEM 4.0M x 4 is E T = 5 011,7 Nm/c
adequate (Page 31).

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EXAMPLE 3:
Vertical Moving Load with STEP 1: Application Data STEP 3: Calculate work energy STEP 4: Calculate total
Propelling Force Upward (M) Mass = 1 550 kg FD = 2 x [0,0785 x d2 x P] – energy per cycle
(V) Velocity = 2 m/s [9,8 x M] ET = EK + EW
(d) 2 Cylinders bore dia. = 150mm FD = 2 x [0,0785 x 1502 x 5] – E T = 3 100 + 309
(P) Operating pressure = 5 bar [9,8 x 1 550] E T = 3 409 Nm/c
(C) Cycles/Hr = 200 FD = 2 472,5 N
EW = FD X S STEP 5: Calculate total
STEP 2: Calculate kinetic energy EW = 2 472,5 x 0,125 energy per hour
M 1 550 E TC = ET x C
EK = x V2 = x 22 EW = 309 Nm
E TC = 3 409 x 200
2 2
EK = 3 100 Nm E TC = 681 800 Nm/hr
Assume Model OEM 3.0M x 5 is Model OEM 3.0M x 5 is adequate.
adequate (Page 31).

EXAMPLE 4:
Vertical Moving Load with STEP 1: Application Data E W = FD X S x 2 is adequate (Page 30).
Propelling Force from Motor (M) Mass = 90 kg E W = 1 118 x 0, 5 E W = FD x S
(V) Velocity = 1,5 m/s E W = 56 Nm E W = 2 882 x 0,05
(kW) Motor rating = 1 kW STEP 4: Calculate total E W = 144 Nm
(C) Cycles/Hr = 100 energy per cycle STEP 4: Calculate total energy
E T = EK + EW per cycle
STEP 2: Calculate kinetic energy E T = 101 + 56 E T = EK + EW
EK = M x V2 = 90 x 1,52 E T = 157 Nm/c E T = 101 + 144
2 2 STEP 5: Calculate total E T = 245 Nm/c
EK = 101 Nm energy per hour
STEP 5: Calculate total energy
E TC = ET x C per hour
CASE A: UP E TC = 157 x 100 E TC = ET x C
STEP 3: Calculate work energy E TC = 15 700 Nm/hr E TC = 245 x 100
FD = 3 000 x kW – 9,8 x M Model OEM 1.25M x 2 is E TC = 24 500 Nm/hr
V
adequate. Model OEMXT 2.0M x 2 is adequate.
FD = 3 000 x 1 – 882
1,5
FD = 1 118 N CASE B: DOWN
STEP 3: Calculate work energy
Assume Model OEM 1.25 x 2 is FD = 3 000 x kW + 9,8 x M
adequate (Page 26). V
FD = 3 000 x 1 + 882
1,5
FD = 2 882 N

Assume Model OEMXT 2.0M

EXAMPLE 5:
Horizontal Moving Load STEP 1: Application Data STEP 3: Calculate work energy: N/A
(M) Mass = 900 kg
STEP 4: Calculate total energy per cycle
(V) Velocity = 1,5 m/s
E T = EK = 1 012,5 Nm/c
(C) Cycles/Hr = 200
STEP 2: Calculate kinetic energy STEP 5: Calculate total energy per hour
M E TC = ET x C
EK = x V2
2 E TC = 1 012,5 x 200
900 E TC = 202 500 Nm/hr
EK = x 1,52
2
Model OEMXT 2.0M x 2 is adequate.
EK = 1 012,5 Nm
Assume Model OEMXT 2.0M x 2
is adequate (Page 30).

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EXAMPLE 6:
Horizontal Moving Load STEP 1: Application Data STEP 3: Calculate work energy STEP 5: Calculate total energy
with Propelling Force (M) Mass = 900 kg FD = 0, 0785 x d 2 x P per hour
(V) Velocity = 1,5 m/s FD = 0, 0785 x 752 x 5 E TC = ET x C
(d) Cylinder bore dia. = 75mm FD = 2 208,9 N E TC = 1 122,5 x 200
(P) Operating pressure = 5 bar E W = FD x S E TC = 224 500 Nm/hr
(C) Cycles/Hr = 200 E W = 2 208,9 x 0,05
Model OEMXT 2.0M x 2
E W = 110 Nm/c
STEP 2: Calculate kinetic energy is adequate.
M
EK = x V2 STEP 4: Calculate total
2 energy per cycle
900
EK = x 1,52 ET = EK + EW
2 E T = 1 012,5 + 110
EK = 1 012,5 Nm E T = 1 122,5 Nm/c
Assume Model OEMXT 2.0M x 2
is adequate (Page 30).

EXAMPLE 7:
Horizontal Moving Load, Motor Driven STEP 1: Application Data STEP 3: Calculate work energy STEP 5: Calculate total
(M) Mass = 1 000 kg 3 000 x kW energy per hour
FD =
(V) Velocity = 1,5 m/s V E TC = E T x C
(kW) Motor rating = 1 kW 3 000 x 1 E TC = 1 225 x 120
FD =
(C) Cycles/Hr = 120 1,5 E TC = 147 000 Nm/hr
FD = 2 000 N
STEP 2: Calculate kinetic energy Model OEMXT 2.0M x 2
E W = FD x S
M is adequate.
EK = x V2 E W = 2 000 x 0,05
2
E W = 100 Nm
1 000
EK = x 1,52
2 STEP 4: Calculate total
EK = 1 125 Nm energy per cycle
ET = EK + EW
Assume Model OEMXT 2.0M x 2 E T = 1 125 + 100
is adequate (Page 30). E T = 1 225 Nm/c

EXAMPLE 8:
Free Moving Load Down an Inclined Plane STEP 1: Application Data STEP 3: Calculate work energy STEP 5: Calculate total
(M) Mass = 250 kg FD = 9,8 x M x Sin α energy per hour
(H) Height = 0,2 m FD = 9,8 x 250 x 0,5 E TC = ET x C
(α) Angle of incline = 30
˚ FD = 1 225 N E TC = 581,9 x 250
(C) Cycles/Hr = 250 E W = FD x S E TC = 145 475 Nm/hr
E W = 1 225 x 0,075
STEP 2: Calculate kinetic energy
E W = 91,9 Nm
EK = 9,8 x M x H STEP 6: Calculate impact velocity
EK = 9,8 x 250 x 0,2 STEP 4: Calculate total and confirm selection
EK = 490 Nm energy per cycle V = √19,6 x H
E T = E K + EW V = √19,6 x 0,2 = 2,0 m/s
Assume Model OEMXT 1.5M x 3
E T = 490 + 91,9
is adequate (Page 27). Model OEMXT 1.5M x 3
E T = 581,9 Nm/c
is adequate.

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 Shock Absorber Sizing Examples
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EXAMPLE 9:
Horizontal Rotating Mass STEP 1: Application Data STEP 3: Calculate work energy STEP 5: Calculate total
(M) Mass = 90 kg FD = T energy per hour
(ω) Angular velocity = 1,5 rad/s RS E TC = ET X C
(T) Torque = 120 Nm FD = 120 E TC = 19,2 x 120
(K) Radius of gyration = 0,4 m 0,5 E TC = 2 304 Nm/hr
(RS) Mounting radius = 0,5 m FD = 240 N
Model STH 0.5M is adequate.
(C) Cycles/Hr = 120 E W = FD X S
E W = 240 x 0,013
STEP 2: Calculate kinetic energy
E W = 3 Nm
I = M x K2
I = 90 x 0,42 STEP 4: Calculate total
I = 14,4 kgm2 energy per cycle
EK = I x ω
2 E T = EK + EW
2 E T = 16,2 + 3
14,4 x 1,52 E T = 19,2 Nm/c
EK =
2
EK = 16,2 Nm
Assume Model STH 0.5M is
adequate (Page 41).

EXAMPLE 10:
EK = I x ω
Horizontal Rotating Door STEP 1: Application Data 2 STEP 4: Calculate total
(M) Mass = 25 kg 2 energy per cycle
(ω) Angular velocity = 2,5 rad/s 2 E T = EK + EW
EK = 8,4 x 2,5
(T) Torque = 10 Nm 2 E T = 26,3 + 0,5
(RS) Mounting radius = 0,5 m EK = 26,3 Nm E T = 26,8 Nm/c
(A) Width = 1,0 m Assume Model OEM .5M is STEP 5: Calculate total
(B) Thickness = 0,1 m adequate (Page 19). energy per hour
(C) Cycles/Hr = 250
STEP 3: Calculate work energy E TC = ET x C
STEP 2: Calculate kinetic energy E TC = 26,8 x 250
FD = T
K = 0,289 x √4 x A2 + B2 RS E TC = 6 700 Nm/hr
K = 0,289 x √4 x 1,02 + 0,12 10 STEP 6: Calculate impact velocity
FD =
K = 0,58 m 0,5 and confirm selection
I = M x K2 FD = 20 N V = RS x ω
I = 25 x 0,582 EW = FD x S V = 0,5 x 2,5
I = 8,4 kgm2 EW = 20 x 0,025 V = 1,25 m/s
EW = 0,5 Nm Model OEM 0.5M is adequate.

EXAMPLE 11:
Horizontal Moving Load, STEP 1: Application Data In this case, the mass moment of STEP 3: Calculate work energy
Rotary Table Motor Driven (M) Mass = 200 kg inertia of the table and the mass FD = T = 250 = 1 111,1 N
with Additional Load Installed (M1) Installed load = 50 kg moment of inertia of the load on the RS 0,225
Rotational speed = 10 RPM table must be calculated. E W = FD x S = 1 111,1 x 0,022
(T) Torque = 250 Nm K Table = Table Radius x 0,707 E W = 24,4 Nm
Rotary table dia. = 0,5 m K Table = 0,25 x 0,707 = 0,176 m STEP 4: Calculate total
(K Load) Radius of gyration = 0,2 m
ITable = M x K2Table energy per cycle
(RS) Mounting radius = 0,225 m
ITable = 200 x 0,1762 ET = EK + EW
(C) Cycles/Hr = 1
ITable = 6,2 kgm2 E T = 4,5 + 24,4
Step 2: Calculate kinetic energy E T = 28,9 Nm/c
To convert RPM to rad/s, ILoad = M1 x K2Load
STEP 5: Calculate total energy
multiply by 0,1047 ILoad = 50 x (0,20)2 = 2 kgm2
ω = RPM x 0,1047 EK = (ITable + ILoad) x ω
2 per hour: not applicable, C=1
ω = 10 x 0,1047 2 STEP 6: Calculate impact velocity
ω = 1,047 rad/s EK = (6,2 + 2) x 1,047
2 and confirm selection
I =MxK 2 V = RS x ω
EK = 4,5 Nm V = 0,225 x 1,047
V = 0,24 m/s
Assume model ECO 50M-4 is
adequate (Page 47).
From ECO Sizing Graph.
Model ECO 50M-4 is adequate.

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EXAMPLE 12:
Vertical Motor Driven Rotating STEP 1: Application Data CASE A
Arm with Attached Load (M) Mass = 50 kg STEP 3: Calculate work energy STEP 6: Calculate impact velocity
CASE A–Load Aided by Gravity (ω) Angular velocity = 2 rad/s T + (9,8 x M x K x Sin θ) and confirm selection.
V = RS x ω
FD =
(T) Torque = 350 Nm RS
(Ø) Angle of rotation = 30 ˚
(K Load) Radius of gyration = 0,6 m
FD =
350 + (9,8 x 50 x 0,6 x 0,5)
0,4
V = 0,4 x 2
V = 0,8 m/s
(RS) Mounting radius = 0,4 m FD = 1 242,5 N
Model LROEM 1.0M is adequate.
(C) Cycles/Hr = 1 E W = FD x S
Needed for higher calculated
E W = 1 242,5 x 0,025
STEP 2: Calculate kinetic energy propelling force.
E W = 31,1 N
I = M x K2 = 50 x 0,62
I = 18 kgm2 STEP 4: Calculate total
EK = I x ω
2
energy per cycle
2 E T = EK + EW
EK = 18 x 22 E T = 36 + 31,1
2 E T = 67,1 Nm/c
EK = 36 Nm
STEP 5: Calculate total energy
Assume Model OEM 1.0 is adequate per hour: not applicable, C=1
(Page 21).

EXAMPLE 13:
Vertical Motor Driven Rotating STEP 1: Application Data CASE B
(M) Mass = 50 kg STEP 3: Calculate work energy STEP 6: Calculate impact
T – (9,8 x M x K x Sin θ)
Arm with Attached Load
(ω) Angular velocity = 2 rad/s velocity and confirm selection
V = RS x ω
CASE B–Load Opposing Gravity FD =
(T) Torque = 350 Nm RS
(Ø) Angle of rotation = 30 ˚
(K Load) Radius of gyration = 0,6 m
FD =
350 – (9,8 x 50 x 0,6 x 0,5)
0,4
V = 0,4 x 2
V = 0,8 m/s
(RS) Mounting radius = 0,4 m FD = 507,5 N
Model OEM 1.0M is adequate.
(C) Cycles/Hr = 1 E W = FD x S
E W = 507,5 x 0,025
STEP 2: Calculate kinetic energy
E W = 12,7 Nm
I = M x K2 = 50 x 0,62
I = 18 kgm2 STEP 4: Calculate total
EK = I x ω
2
energy per cycle
2 E T = EK + E W
EK = 18 x 22 E T = 36 + 12,7
2 E T = 48,7 Nm/c
EK = 36 Nm
STEP 5: Calculate total energy
Assume Model OEM 1.0M is per hour: not applicable, C=1
adequate (Page 21).

EXAMPLE 14:
Vertical Rotating Beam STEP 1: Application Data STEP 2: Calculate kinetic energy STEP 4: Calculate total
(M) Mass= 245 kg K = 0,289 x √4 x L2 + B2 energy per cycle
(ω) Angular velocity = 3,5 rad/s K = 0,289 x √4 x 0,62 + 0,062 ET = EK + EW
(T) Torque = 30 Nm K = 0,35 m E T = 184 + 82
(θ) Starting point from true vertical = 20 I = M x K2 = 245 x 0,352 E T = 266 Nm/c
(Ø) Angle of rotation = 50°
˚ I = 30 kgm2
EK = I x ω = 30 x 3,5 = 184 Nm
(RS) Mounting radius = 0,5 m 2 2 STEP 5: Calculate total energy
(B) Thickness = 0,06 m per hour: not applicable, C=1
2 2
(L) Length = 0,6 m STEP 6: Calculate impact velocity
(C) Cycles/Hr = 1 Assume Model OEM 1.5M x 2 and confirm selection
is adequate (Page 27). V = RS x ω
V = 0,5 x 3,5
STEP 3: V = 1,75 m/s
FD = T + [9,8 x M x K x Sin (θ + Ø)] Model OEMXT 1.5M x 2 is adequate.
RS
FD =30 + [9,8 x 245 x 0,35 x Sin (20° + 50°)]
0,5
FD =1 640 N

E W = FD x S
E W = 1 640 x 0,05
E W = 82 Nm

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EXAMPLE 15: STEP 1: Application Data I = M x K2 = 910 x 0,872 STEP 4: Calculate total
Vertical Rotating Lid (M) Mass = 910 kg I = 688,8 kgm2 energy per cycle
EK = I x ω = 688,8 x 2
(ω) Angular velocity = 2 rad/s 2 2 ET = EK + EW
(kW) Motor rating = 0,20 kW 2 2 ET = 1 377,6 + 503,7
(θ) Starting point from EK = 1 377,6 Nm ET = 1 881,3 Nm/c
true vertical = 30° Assume Model OEM 3.0M x 2 is
(Ø) Angle of rotation = 60° STEP 5: Calculate total energy
adequate (Page 21). per hour: not applicable, C=1
(RS) Mounting radius = 0,8 m
(A) Width = 1,5 m STEP 3: Calculate work energy
STEP 6: Calculate impact velocity
(B) Thickness = 0,03 m T = 3 000 x kW
ω and confirm selection
V = RS x ω
(C) Cycle/Hr = 1
T = 3 000 x 0,20 = 300 Nm
STEP 2: Calculate kinetic energy 2 V = 0,8 x 2
K = 0,289 x √4 x A2 + B2 T + (9,8 x M x K x Sin (θ + Ø)) V = 1,6 m/s
K = 0,289 x √4 x 1,50 + 0,03
FD =
2 2 RS
K = 0,87 m FD = 300 + (9,8 x 910 x 0,87 x Sin (60 + 30 )) ˚ ˚
0,8
FD = 10 073 N
EW = FD x S
Model OEM 3.0M x 2 is adequate.
EW = 10 073 N x 0,05
EW = 503,7 Nm

EXAMPLE 16: STEP 1: Application Data STEP 2: Calculate kinetic energy STEP 5: Calculate total energy
Vertical Rotation with Known (M) Mass = 100 kg H = C/G x [Cos(θ) – Cos(Ø+θ)] per hour: not applicable, C=1
Intertia Aided by Gravity (Ι) Known Intertia = 100 kgm2 H = 0,305 x [Cos(60°) – Cos(30º+60º)] E TC = E T x C
(C/G) Center-of-Gravity = 305 mm EK = 9,8 x M x H E TC = 178,9 x 1
(θ) Starting point from EK = 9,8 x 100 x 0,5 E TC = 178,9 Nm/hr
true vertical = 60 EK = 149,5 Nm
(Ø) Angle of rotation
˚ STEP 6: Calculate impact
at impact = 30° STEP 3: Calculate work energy velocity and confirm selection
ω = √(2 x EK)/I
(RS) Mounting radius = 254 mm FD = (9,8 x M x C/G x Sin (θθ+ Ø))/RS
FD = (9,8 x 100 x 0,305 x Sin
ω = √(2 x 149,5)/100) = 1,7 rad/s
(C) Cycles/Hr = 1
(60º + 30º))/0,254
FD = 1176,8 N
E W= FD x S = 1176,8 x 0,025 V = RS x ω = 0,254 x 1,7 = 0,44 m/s
= 29,4 Nm

STEP 4: Calculate total Model OEM 1.15M x 1 is adequate

energy per cycle (Page 24).
E T = E K + E W = 149,5 + 29,4
E T = 178,9 Nm/c

EXAMPLE 17: STEP 1: Application Data STEP 2: Calculate kinetic energy STEP 5: Calculate total energy
Vertical Rotation with Known (M) Mass = 100 kg EK = (Ι x ω2)/2 per hour: not applicable, C=1
Intertia Aided by Gravity (ω) Angular Velocity = 2 rad/s EK = (100x 22)/2 E TC = E T x C
(w/Torque) (T) Torque = 310 Nm EK = 200 Nm E TC = 259,9 x 100
(Ι) Known Intertia = 100 kgm2 E TC = 25 990 Nm/hr
(C/G) Center-of-Gravity = 305 mm STEP 3: Calculate work energy
(θ) Starting point from FD = [T + (9,8 x M x C/G x Sin (θθ+ Ø)]/RS STEP 6: Calculate impact
true vertical = 60 FD = [310 + (9,8 x 100 x 0,305 x Sin velocity and confirm selection
˚
(Ø) Angle of rotation (60º+30º)]/0,254 V = RS x ω = 0,254 x 2
at impact = 30° FD = 2 397,2 N = 0,51 m/s
(RS) Mounting radius = 254 mm E W= FD x S = 2 397 x 0,025
(C) Cycles/Hr = 100 = 59,9 Nm
Model OEMXT 1.5M x 1 is
STEP 4: Calculate total adequate (Page 27).
energy per cycle
E T = E K + E W = 200 + 59,9
E T = 259,9 Nm/c

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EXAMPLE 18: STEP 1: Application Data STEP 2: Calculate kinetic energy STEP 5: Calculate total energy
Vertical Rotation with Known (M) Mass = 100 kg EK = (Ι x ω2)/2 per hour: not applicable, C=1
Intertia Opposing Gravity (ω) Angular Velocity = 2 rad/s EK = (100x 22)/2 E TC = E T x C
(w/Torque) (T) Torque = 310 Nm EK = 200 Nm E TC = 201,1 x 100
(Ι) Known Intertia = 100 kgm2 E TC = 20 110 Nm/hr
(C/G) Center-of-Gravity = 305 mm STEP 3: Calculate work energy
(θ) Starting point from FD = [T – (9,8 x M x C/G x Sin (θθ– Ø))]/RS STEP 6: Calculate impact
true vertical = 120 FD = [310 – (9,8 x 100 x 0,305 x Sin (120º– velocity and confirm selection
˚
(Ø) Angle of rotation at impact = 30° 30º))]/0,254 V = RS x ω = 0,254 x 2 = 0,51 m/s
(RS) Mounting radius = 254 mm FD = 43,7 N
(C) Cycles/Hr = 100 E W= FD x S = 43,7 x 0,025 = 1,1 Nm
Model OEMXT 1.5M x 1 is adequate
STEP 4: Calculate total (Page 27).
energy per cycle
E T = E K + E W = 200 + 1,1
E T = 201,1 Nm/c

EXAMPLE 19: STEP 1: Application Data STEP 2: Calculate kinetic energy STEP 4: Calculate total
Vertical Rotation Pinned at (M) Mass = 100 kg K = 0,289 x √A2 + B2 energy per cycle
Center (w/Torque) (ω) Angular velocity = 2 rad./s K = 0,289 x √1,0162 + 0,05082 E T = E K + E W = 17,2 + 30,5
(T) Torque = 310 Nm = 0,29 m E T = 47,7 Nm/c
(A) Length = 1,016 mm I = M x K2
I = 100 x 0,292 = 8,6 kgm2 STEP 5: Calculate total energy
(RS) Mounting radius = 254 mm
(B) Thickness = 50,8 mm E K = (Ι x ω2)/2 per hour
E K = (8,6 x 22)/2 E TC = E T x C
(C) Cycles/Hr = 100
E K = 17,2 Nm E TC = 47,7 x 100
E TC = 4 770 Nm/hr
Assume Model OEM 1.0 is adequate STEP 6: Calculate impact
(Page 21). velocity and confirm selection
V = RS x ω = 0,254 x 2 = 0,51 m/s
STEP 3: Calculate work energy
FD = T/RS Model OEM 1.0M is adequate.
FD = 310/0,254
FD = 1 220,5 N
E W= FD x S = 1 220,5 x 0,025
= 30,5 Nm

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 Shock Absorber Sizing Examples
Typical Shock Absorber and Crane Applications
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Shock Absorber Sizing Examples

Front View
Calculaions assume worst case scenario
of 90% trolley weight over one rail.
Weight of Trolley
Crane A Per Velocity of Trolley
Buffer
Propelling Force Crane kN Bridge Weight
Propelling Force Trolley kN

Weight of Crane (Wa) t Load

Weight of Trolley (Wta) t Rail Load Rail
Crane Velocity (Va) m/s

Trolley Velocity (Vta) m/s

Plan Views
Application 1
Crane A against Solid Stop
Crane B Per Velocity:
Buffer Va
Vr = Va
Propelling Force Crane kN
Impact weight per buffer:
Propelling Force Trolley kN Crane A (Wa)
Wd = Wa + (1,8) Wta
Weight of Crane (Wa) t Total Number of Shocks Trolley

Weight of Trolley (Wta) t

Crane Velocity (Va) m/s

Application 2
Trolley Velocity (Vta) m/s Crane A against Crane B
Velocity: Crane B (Wb)
Vr = Va + Vb
Crane C Per Vb
Buffer Impact weight per buffer:
Propelling Force Crane kN W1 = Wa + (1,8) Wta Crane A (Wb) Trolley
Propelling Force Trolley kN W2 = Wb + (1,8) Wtb
Wd = W1 W2
Weight of Crane (Wa) t (W1 + W2)(Total Number of Shocks) Va

Weight of Trolley (Wta) t

Application 3
Crane Velocity (Va) m/s Crane B against Crane C
Velocity: Crane C (Wc)
Trolley Velocity (Vta) m/s
Vr = Vb + Vc Vc
2
Please note: Impact weight per buffer:
Unless instructed otherwise, ITT Enidine W1 = Wb + (1,8) Wtb Crane B (Wb) Trolley
will always calculate with: W2 = Wc + (1,8) Wtc
• 100% velocity v, and Wd = 2 W1 W2
(W1 + W2)(Number of Shocks Per Rail) Vb
• 100% propelling force FD
Application 4
Crane C against Solid Stop
with Buffer
Velocity:
Vr = Vc
Vc
2
Impact weight per buffer:
W1 = Wc + 1,8 (Wtc)
Crane C (Wc) Trolley
2 W1
Wd =
Number of Shocks Per Rail

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Please note that this example is not based on any particular standard. The slung load
can swing freely, and is therefore not taken into account in the calculation.

Calculation
Example
Total Weight of Bridge: 380 t for Harbor Cranes
as Application 1
Weight of Trolley: 45 t

Crane Velocity: 1,5 m/s

Required Stroke: 600 mm

Trolley Velocity: 4,0 m/s

Given Values
Required Stroke: 1 000 m

Wd = Wa + 1,8 W+a
Total Number of Shocks
Determination of the
Maximum Impact
Wd = 380 t + (1,8)45 t
Mass Wd
2
per Buffer
Wd = 230.5 t

EK= Wd
• Vr2
2
Vr = VA (Application 1)
EK = 230.5
• (1,5 m/s)2 Determine Size
2
EK = Kinetic Energy of Shock Absorber
for Crane
η = Efficiency
EK = 259 kN

Selecting for required 600mm stroke:

HD 5.0 x 24, maximum shock force ca. 460 kN = Fs = EK
s•η

MD = Trolley Mass per Shock Absorber

MD = 45 t
2
MD = 22,5 t
Determine Size
Vr = VA Application 1 of Shock Absorber
EK = MD
• Vr2 for Trolley
2

EK = 22,5 t
• (4 m/s)2
2
EK = 180 kNm

Selecting for required 1 000 mm stroke:

HDN 4.0 x 40, maximum shock force ca. 212 kN = Fs = EK
s•η

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 Shock Absorber Sizing Examples
Typical Shock Absorber and Crane Applications
Overview
Shock Absorber Sizing Examples

Application 1 Value
Load Down Load Up
Buffer Distance H m

Distance X1 m W
X2
Distance Y1 m Center of
Gravity 2
Distance X2 m
X1
Distance Y2 m
H H
Total Weight t
Y2
Wmax d t
Center of
Gravity 1
Wmin d t
W Y1
Wmax u t

Wmin u t

Calculation Example Please note that this example shows how to calculate the maximum impact
weight on the upper and lower shock absorbers for a stacker crane.
Stacker Cranes
Distance Between Buffers: H = 20 m
Distance to C of G1 - Upper: X1 = 15 m
Distance to C of G1 - Lower: Y1 = 5 m
Distance to C of G2 - Upper: X2 = 7 m Given Values
Distance to C of G1 - Lower: Y2 = 13 m
Total Weight: W = 20 t
X1 X2
Wmax d = •W Wmax d = •W
H H

15 m 7m
Calculation
Wmax d = • 20 t Wmax d = • 20 t for Lower
20 m 20 m
Shock Absorbers
Wma x d = 15 t Wm ax d = 7 t

Y1 Y2
Wmax d = •W Wmax d = •W
H H

5m 13 m
Calculation
Wmax d = • 20 t Wmax d = • 20 t for Upper
20 m 20 m
Shock Absorbers
W m ax d = 5 t Wma x d = 13 t

Using the value for Wmax obtained above, the kinetic energy can be Shock Absorber
calculated, and a shock absorber selected. Selection

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Shock Absorber Sizing Examples
Typical Shock Absorber and Crane Applications
Overview

Shock Absorber Sizing Examples

Image courtesy of Whiting Crane Company
Overhead Crane Applications

Image courtesy of Jervis B. Webb Company

Cargo Crane Applications

Stacker Carne Applications

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 Shock Absorber and Rate Controls Quick Selection Guide
Typical Selections
Technical Data
Use this ITT Enidine Product Quick Selection Guide to quickly locate potential shock absorber models most suited
for your requirements. Models are organized in order of smallest to largest energy capacity per cycle within their
respective product families.
Quick Selection Guide

ITT Enidine Adjustable Shock Absorbers ITT Enidine Non-Adjustable Shock Absorbers
(S) ET ETC (S) ET ETC
Catalog No. Stroke Max. Max. Damping Page Catalog No. Stroke Max. Max. Damping Page
Model mm Nm/c Nm/hr Type No. (Model) mm Nm/c Nm/hour Type No.
OEM 0.1M (B) 7,0 7,0 13 600 D 21 TK 6 4,0 1,0 3 600 D 39
ECO OEM .15M (B) 10,0 7,0 20 900 D 21 TK 8 4,0 6,0 4 800 D 39
ECO OEM .25M (B) 10,0 7,0 22 000 D 21 TK 21 6,4 2,2 4 100 D 40
ECO (LR)OEM .25M (B) 10,0 7,0 22 000 D 21 ECO 8 6,4 4,0 6 215 SC 47
ECO OEM .35M (B) 12,0 19,0 37 400 D 21 TK 10M 6,4 6,0 13 000 D 40
ECO (LR)OEM .35M (B) 12,0 19,0 37 400 D 21 ECO 10 7,0 7,0 13 640 SC 47
ECO OEM .5M (B) 12,0 31,0 35 200 D 21 ECO 15 10,4 12,0 31 020 SC 47
ECO (LR)OEM .5M (B) 12,0 31,0 35 200 D 21 STH .25M 6,0 11,0 4 420 D 41
ECO OEM 1.0M (B) 25,0 81,0 77 000 C 21 ECO S 25 12,7 24,0 37 400 SC 47
ECO (LR)OEM 1.0M (B) 25,0 81,0 77 000 C 21 ECO 25 12,7 30,0 44 000 SC 47
ECO OEM 1.15M X 1 25,0 215,0 83 300 C 24 ECOS 50 12,7 32,0 49 720 SC 47
ECO (LR)OEM 1.15M X 1 25,0 215,0 83 300 C 24 ECO 50 22,0 62,0 59 070 SC 47
ECO OEM 1.15M X 2 50,0 424,0 108 800 C 24 STH .5M 12,5 65,0 44 200 D 41
ECO (LR)OEM 1.15M X 2 50,0 424,0 108 800 C 24 ECO 100 25,0 105,0 77 000 SC 47
ECO OEM 1.25M x 1 25,0 215,0 100 100 C 24 PRO 110 25,0 210,0 84 000 SC 50
ECO (LR)OEM 1.25M x 1 25,0 215,0 100 100 C 24 ECO 120 25,0 185,0 84 000 SC 50
ECO OEM 1.25M x 2 50,0 424,0 122 500 C 24 ECO 125 25,0 185,0 104 000 SC 50
ECO (LR)OEM 1.25M x 2 50,0 424,0 122 500 C 24 PMXT 1525 25,0 367,0 126 000 SC 59
(LR)OEMXT 3 ⁄4 x 1 25,0 425,0 126 000 C 27 STH .75M 19,0 245,0 88 400 D 41
OEMXT 3 ⁄4 x 1 25,0 425,0 126 000 C 27 ECO 220 50,0 350,0 103 000 SC 50
(LR)OEMXT 1.5M x 1 25,0 425,0 126 000 C 27 ECO 225 50,0 350,0 127 000 SC 50
OEMXT 1.5M x 1 25,0 425,0 126 000 C 27 PMXT 1550 50,0 735,0 167 000 SC 59
(LR)OEMXT 3 ⁄4 x 2 50,0 850,0 167 000 C 27 STH 1.0M 25,0 500,0 147 000 D 41
OEMXT 3 ⁄4 x 2 50,0 850,0 167 000 C 27 PMXT 1575 75,0 1 130,0 201 000 SC 59
(LR)OEMXT 1.5M x 2 50,0 850,0 167 000 C 27 STH 1.0M x 2 50,0 1 000,0 235 000 D 41
OEMXT 1.5M x 2 50,0 850,0 167 000 C 27 PMXT 2050 50,0 1 865,0 271 000 SC 59
OEMXT 3 ⁄4 x 3 75,0 1 300,0 201 000 C 27 STH 1.5M x 1 25,0 1 150,0 250 000 D 41
OEMXT 1.5M x 3 75,0 1 300,0 201 000 C 27 PMXT 2100 100,0 3 729,0 362 000 SC 59
(LR)OEMXT 11⁄ 8 x 2 50,0 2 300,0 271 000 C 29 STH 1.5M x 2 50,0 2 300,0 360 000 D 41
OEMXT 11⁄ 8 x 2 50,0 2 300,0 271 000 C 29 PMXT 2150 150,0 5 650,0 421 000 SC 59
(LR)OEMXT 2.0M x 2 50,0 2 300,0 271 000 C 29 Key for Damping Type:
OEMXT 2.0M x 2 50,0 2 300,0 271 000 C 29 D – Dashpot
C – Conventional
OEM 3.0M x 2 50,0 2 300,0 372 000 C 31 SC – Self-compensating
OEMXT 11⁄ 8 x 4 100,0 4 500,0 362 000 C 29
OEMXT 2.0M x 4 100,0 4 500,0 362 000 C 29
OEM 4.0M x 2 50,0 3 800,0 1 503 000 C 31
OEM 3.0M x 3.5 90,0 4 000,0 652 000 C 31
OEMXT 11⁄ 8 x 6 150,0 6 780,0 421 000 C 29
OEMXT 2.0M x 6 150,0 6 780,0 421 000 C 29
OEM 3.0M x 5 125,0 5 700,0 933 000 C 31
OEM 3.0M x 6.5 165,0 7 300,0 1 215 000 C 31
OEM 4.0M x 4 100,0 7,700,0 1 808 000 C 31
OEM 4.0M x 6 150,0 11 500,0 2 012 000 C 31
OEM 4.0M x 8 200,0 15 400,0 2 407 000 C 31
OEM 4.0M x 10 250,0 19 200,0 2 712 000 C 31
Key for Damping Type:
D – Dashpot
C – Conventional
SC – Self-compensating

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Shock Absorber and Rate Controls Quick Selection Guide
Typical Selections
Technical Data
Use this ITT Enidine Product Quick Selection Guide to quickly locate potential shock absorber models most suited
for your requirements. Models are organized in order of smallest to largest energy capacity per cycle within their
respective product families.

Quick Selection Guide

ITT Enidine Heavy Duty Shock Absorbers ITT Enidine Adjustable Rate Controls
(S) ET (S) FD ETC
Catalog No. Stroke Min./Max. Damping Page Catalog No. Stroke Max. Max. Page
Model mm Nm/c Type No. Model mm Propelling Force Nm/hr No.
HDN 1.5 x (Stroke) 50-800 3 200 36 500 C, P, SC 66 Tension N Compression N
HDN 2.0 x (Stroke) 150-400 14 400 104 200 C, P, SC 67 ADA 505M 50,0 2 000 2 000 73 450 99
HDN 3.0 x (Stroke) 50-1 500 9 600 206 800 C, P, SC 68 ADA 510M 100,0 2 000 1 670 96 050 99
HDA 3.0 x (Stroke) 50-300 4 500 27 200 C 71
ADA 515M 150,0 2 000 1 335 118 650 99
HDN 3.5 x (Stroke) 50-1 400 13 000 273 000 C, P, SC 69
ADA 520M 200,0 2 000 900 141 250 99
HDN 4.0 x (Stroke) 50-1 200 15 700 329 300 C, P, SC 70
HDA 4.0 x (Stroke) 50-250 13 500 67 500 C 72 ADA 525M 250,0 2 000 550 163 850 99
HD 5.0 x (Stroke) 100-1 200 46 700 467 000 C, P, SC 74 ADA 705M 50,0 11 000 11 000 129 000 100
HD 6.0 x (Stroke) 100-1 200 76 500 805 000 C, P, SC 75 ADA 710M 100,0 11 000 11 000 168 000 100
Key for Damping Type: ADA 715M 150,0 11 000 11 000 206 000 100
D – Dashpot P – Progressive
C – Conventional SC – Self-compensating ADA 720M 200,0 11 000 11 000 247 000 100
ADA 725M 250,0 11 000 11 000 286 000 100
ITT Enidine Heavy Industry Shock Absorbers ADA 730M 300,0 11 000 11 000 326 000 100
ADA 735M 350,0 11 000 11 000 366 000 100
(S) ET
Catalog No. Stroke Min./Max. Damping Page ADA 740M 400,0 11 000 11 000 405 000 101
Model mm Nm/c Type No. ADA 745M 450,0 11 000 8 800 444 000 101
HI 50 x (Stroke) 50-100 3 050 6 200 C, P, SC 81 ADA 750M 500,0 11 000 7 500 484 000 101
HI 85 x (Stroke) 50-100 6 700 13 500 C, P, SC 81
ADA 755M 550,0 11 000 6 200 524 000 101
HI 100 x (Stroke) 50-800 10 000 132 000 C, P, SC 81
HI 120 x (Stroke) 100-1 000 32 000 132 000 C, P, SC 81 ADA 760M 600,0 11 000 5 300 563 000 101
HI 130 x (Stroke) 250-800 100 000 270 000 C, P, SC 82 ADA 765M 650,0 11 000 4 500 603 000 101
HI 150 x (Stroke) 115-1 000 62 000 510 000 C, P, SC 82 ADA 770M 700,0 11 000 4 000 642 000 101
Key for Damping Type: ADA 775M 750,0 11 000 3 500 681 000 101
D – Dashpot P – Progressive
C – Conventional SC – Self-compensating ADA 780M 800,0 11 000 3 100 721 000 101

Jarret Shock Absorbers ITT Enidine Non-Adjustable Rate Controls

(S) Min./Max. (S) FD ETC
Catalog No. Stroke Energy Capacity Damping Page Catalog No. Stroke Max. Max. Page
Model mm kJ Type No. Model mm Propelling Force Nm/C No.
BC1N 12-80 0,1 14 – 85 Tension N Compression N
BC5 105-180 25 150 – 87 DA 705 50,0 11 121 11 121 565 103
XLR 150-800 6 150 – 89
DA 710 100,0 11 121 11 121 1 120 103
BCLR 400-1 300 100 1 000 – 91
DA 715 150,0 11 121 11 121 1 695 103
DA 720 200,0 11 121 11 121 2 260 103
DA 75M x 50 50,0 22 250 22 250 1 120 103
DA 75M x 100 100,0 22 250 22 250 2 240 103
DA 75M x 150 150,0 22 250 22 250 3 360 104
DA 75M x 200 200,0 22 250 22 250 4 480 104
DA 75M x 250 250,0 22 250 22 250 5 600 104
TB 100M x 100 100,0 44 482 44 482 4 480 104
TB 100M x 150 150,0 44 482 44 482 6 779 104

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OEM Adjustable Series Hydraulic Shock Absorbers
XT ECO OEM / OEMXT Series
Overview

OEM Xtreme OEM Large Series

Mid-bore Series
Adjustable Series

RoHS
COMPLIANT

ECO OEM Series

ITT Enidine Adjustable Hydraulic Series shock absorbers offer the most flexible solutions to energy absorption application
requirements when input parameters vary or are not clearly defined.

ITT Enidine’s New ECO OEM Series adjustable hydraulic shock absorbers are an expansion of our previously released ECO
Series product line. These adjustable shock absorbers provide maximum flexibility in a RoHS compliant package. By simply turning
an adjustment knob, the damping force can be changed to accommodate a wide range of conditions. ITT Enidine offers the
broadest range of adjustable shock absorbers and mounting accessories in the marketplace today.

The ITT Enidine OEMXT Series provides a low profile adjustment knob offered in imperial or metric thread configurations with
stroke lengths of 25 to 150 mm for drop-in competitive interchange. Low Range (LROEMXT) Series products are also available
to control velocities as low as 0,08 m/s and propelling forces as high as 17 790 N OEMXT and OEM Large Series shock
absorbers are fully field repairable.

Features and Benefits

• Adjustable design lets you “fine-tune” your desired Added New Features for the ECO OEM Series
damping and lock the numbered adjustment setting.
• Environmentally friendly materials:
• Internal orifice design provides deceleration with - ROHS Compliant materials
the most efficient damping characteristics, resulting - Bio-degradable hydraulic oil
in the lowest reaction forces in the industry. - Recyclable packaging materials
• Threaded cylinders provide mounting flexibility • Introducing our new Enicote II surface finish:
and increase surface area for improved heat dissipation. - ROHS Compliant
- Rated at 350 hours salt spray corrosion protection
• Operational parameters can be expanded through the
use of Enidine’s Low Range and High Performance products. • Jam Nut included with every shock absorber.
• Custom orificed non-adjustable units (CBOEM) can be • Wrench flats promote ease of mounting
engineered to meet specific application requirements or
emergency impact only requirements. • Capability to mount into pressure chambers

• Special materials and finishes can be designed to • Integrated positive stopping capabilities up to 7 bar.
meet specific customer requirements.

- Optional fluids and seal packages can expand the

standard operating temperature range from
(–10°C to 80°C) to (–30°C to 100°C).
- Food grade options available
• ISO quality standards result in reliable,
long-life operation.

• Fully field repairable units are available in

mid-bore and larger bore product ranges.

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Adjustable Series Hydraulic Shock Absorbers OEM
ECO OEM / OEMXT Series XT
Overview
ITT Enidine Adjustable Single Orifice Shock Absorbers

Piston Rod

Adjustable Series
Foam Accumulator

Check Ring
Bearing
Coil Spring

Piston Head
Adjustment Knob
Constant orifice area damping (dashpot)
Cylinder
provides the largest shock force at the
beginning of the stroke when impact velocity
is highest. These shock absorbers provide Oil
high-energy absorption in a small, economical Shock Tube
design. This type of damping is also available
in adjustable shock absorbers. Orifice

The damping force of an ITT Enidine single orifice shock Oil is forced out of the high pressure shock tube chamber
absorber can be changed by turning the adjustment knob. through the orifice, creating internal pressure allowing smooth,
Maximum damping force is achieved by turning the adjust- controlled deceleration of the moving load. When the load is
ment knob to eight (8), while minimum damping force is removed, the compressed coil spring moves to reposition the
achieved by turning the adjustment knob to zero (0). Turning the piston head, the check ball unseats, opening the valve that
adjustment knob causes the adjustment ball to increase or permits rapid piston rod return to the original extended position.
decrease the clearance (orifice area) between the ball and its The closed cellular foam accumulator compensates for fluid
seat, depending on rotation direction. displaced by the piston rod during compression and extension.
Without the fluid displacement volume provided by the foam
The internal structure of an adjustable single orifice shock
accumulator, the closed system would be hydraulically locked.
absorber is shown above. When force is applied to the
This type of orifice design produces constant orifice area
piston rod, the check ball is seated and the valve remains closed.
damping.
ITT Enidine Adjustable Multiple Orifice Shock Absorbers

Coil Spring

Check Ring

Adjustment Cam
Piston Rod Adjustment Knob

Orifice Holes

Bearing Adjustment Pin

Cylinder
Conventional damping allows Shock Tube
linear deceleration by providing a
constant shock force over the entire stroke.
This standard design is the most efficient, meaning Piston Head
it allows the most energy to be absorbed in a given
stroke, while providing the lowest shock force. This Foam Accumulator
type of damping is also available in adjustable Oil
shock absorbers.

The adjustable multiple orifice shock absorber is similar to the Turning the adjustment knob rotates the adjustment cam within
principles described earlier. The check ring replaces the check the shock absorber. The cam, in turn, moves the adjustment
ball and the adjustment feature uses an adjustment pin instead pin in the shock tube, closing or opening the orifice holes. by
of an adjustment ball. The damping force of the shock closing the orifice holes, the total orifice area of the shock
absorber can be changed by turning the adjustment knob. absorber is reduced, thus increasing the damping force of the
Maximum damping force is achieved by turning the shock absorber. The adjustable shock absorber enables the
adjustment knob to eight (8), while minimum damping user to change the damping force of the unit, should input
force is achieved by turning the adjustment knob to zero (0). conditions change, while still maintaining a conventional-type
damping curve. Low velocity range (LR) series configurations
are available for controlling velocities that fall below the
standard adjustable range.

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ECO Adjustable Series Hydraulic Shock Absorbers
OEM ECO OEM Small Bore Series
ECO OEM 0.1M ➞ ECO (LR)OEM 1.0M Series Technical Data
Standard
Adjustable Series

ØD

ØG ØE1*

WL C J
WF
H
Adjustment F
Knob A
A1*

*Note: A1 and E1 apply to button models. One Hex Jam Nut included with every shock absorber.

Nominal Coil Spring Force

Optimal FP FD
(S) Velocity ET ETC Max. Max.
Catalog No./ Stroke Range Max. Max. Reaction Extended Compressed Propelling Mass
Model mm m/s Nm/c Nm/hr Force N N N Force N g
OEM .1M (B) 7,0 0,3-3,30 6,0 12 400 1 220 2,2 4,5 350 28
ECO OEM .15M (B) 10,0 0,3-3,30 6,0 19 000 890 3,5 7,5 350 56
ECO OEM .25M (B) 10,0 0,3-3,30 6,0 20 000 890 3,5 7,5 350 56
ECO LROEM .25M (B) 10,0 0,08-1,30 6,0 20 000 890 3,5 7,5 440 56
ECO OEM .35M (B) 12,7 0,3-3,30 17,0 34 000 2 000 4,5 9,8 530 85
ECO LROEM .35M (B) 12,7 0,08-1,30 17,0 34 000 2 000 4,5 9,8 890 85
ECO OEM .5M (B) 12,7 0,3-4,50 28,0 32 000 3 500 5,8 12,4 670 141
ECO LROEM .5M (B) 12,7 0,08-1,30 28,0 32 000 3 500 8,9 17,0 1 120 141
ECO OEM 1.0M (B) 25,0 0,3-3,30 74,0 70 000 4 400 13,0 27,0 1 330 285
ECO OEM 1.0MF (B) 25,0 0,3-3,30 74,0 70 000 4 400 13,0 27,0 1 330 285
ECO LROEM 1.0M (B) 25,0 0,08-1,30 74,0 70 000 4 400 13,0 27,0 2 016 285
ECO LROEM 1.0MF (B) 25,0 0,08-1,30 74,0 70 000 4 400 13,0 27,0 2 016 285

Catalog No./ A A1 C D E1 F G H J WF WL
Model mm mm mm mm mm mm mm mm mm mm mm
OEM 0.1M (B) 57,0 67,0 M10 x 1.0 3,0 8,6 49,4 8,6 10,2 – – –
ECO OEM 0.15M (B) 81,8 91,7 M12 x 1.0 3,3 8,6 71,4 10,9 14,2 – 11,0 9,7
ECO (LR)OEM .25M (B) 81,8 91,2 M14 x 1.5 3,3 11,2 71,4 10,9 14,2 – 12,0 12,7
ECO (LR)OEM .35M (B) 100,6 110,7 M16 x 1.5 4,0 11,2 87,4 11,2 14,5 0,5 14,0 12,7
ECO (LR)OEM .5M (B) 98,6 110,5 M20 x 1.5 4,8 12,7 84,1 16,0 17,0 – 18,0 12,7
ECO (LR)OEM 1.0M (B) 130,0 142,7 M27 x 3.0 6,4 15,7 104,0 22,0 14,0 4,6 23,0 12,7
ECO (LR)OEM 1.0MF (B) 130,0 142,7 M25 x 1.5 6,4 15,7 104,0 22,0 14,0 4,6 23,0 12,7
Notes: 1. All shock absorbers will function satisfactorily at 5% of their maximum rated energy per cycle. If less than 5%, a smaller model should be specified.
2. For mounting accessories, see pages 22-23.
3. (B) indicates button model of shock absorber. Buttons cannot be added to non-button models or removed from button models ECO OEM .1M to ECO OEM 1.0M.

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 ECO
Adjustable Series Hydraulic Shock Absorbers
OEM
ECO OEM Small Bore Series
ECO OEM 0.1M ➞ ECO (LR)OEM 1.0M Series Accessories
Jam Nut (JN)

Adjustable Series
*Note: One Hex Jam Nut included with every shock absorber.

Catalog No./ Part Number Model Ref JA JB JH Mass

Model mm mm mm g
JN M10 x 1 J223840167 ECO OEM 0.1M (B) 15,0 13,0 3,2 2
JA JN M12 x 1 J223841035 ECO OEM .15M (B) 17,0 15,0 4,0 2
JN M14 x 1.5 J223842165 ECO (LR)OEM .25M (B) 19,7 17,0 4,0 3
JB JN M16 x 1.5 J224055035 ECO (LR)OEM .35M (B) 20,0 19,0 6,0 5
JH JN M20 x 1.5 J223844035 ECO (LR)OEM .5M (B) 27,7 24,0 4,6 9
JN M27 x 3 J124059034 ECO (LR)OEM 1.0M (B) 37,0 32,0 4,6 15
JN M25 x 1.5 J223846035 ECO (LR)OEM 1.0MF (B) 37,0 32,0 4,6 15

Stop Collar (SC)

Catalog No./ Part Number Model Ref CA CD WF WL Mass
Model mm mm mm mm g
∆ SC M10 x 1
WF WL
M923840171 ECO OEM 0.1M (B) 19,0 14,0 – – 11
∆ SC M12 x 1 M923841058 ECO OEM 0.15M (B) 19,0 16,0 14,0 9,0 14
ØCD ∆ SC M14 x 1.5 M923842171 ECO (LR)OEM .25M (B) 25,4 19,0 19,0 12,0 28
∆ SC M16 x 1.5 M924055199 ECO (LR)OEM .35M (B) 25,4 19,0 – – 28
∆ SC M20 x 1.5 M924057058 ECO (LR)OEM .5M (B) 38,0 25,4 22,0 12,0 63
HEX JAM NUT CA ∆ SC M27 x 3 M923846170 ECO (LR)OEM 1.0M (B)
∆ SC M25 x 1.5
(NOT INCLUDED) 50,8 38,0 32,0 15,0 215
M923846171 ECO (LR)OEM 1.0MF (B)
Notes: 1. *Do not use with urethane striker cap.
2. ∆ = Non-standard lead time items, contact ITT Enidine.

Universal Retaining Flange (Small Bore) (UF)

UF M10 x 1 ➞ UF M16 x 1,5 UF M20 x 1,5 ➞ UF M27 x 3
K
Ø4,5 I
Ø5,5
A
A

B F B F
Ø8,0 Ø8,0

E E
D Ø4,5 5 H D Ø5,5 J
C G G
C

Catalog No./ Part Model Ref A B C D E F G H I J K

Model Number mm mm mm mm mm mm mm mm mm mm mm
∆ UF M10 x 1 U16363189 ECO OEM 0.1M (B) M10 x 1 38,0 12,0 6,0 6,0 25,5 25,0 12,5 – 5 –
∆ UF M12 x 1 U15588189 ECO OEM .15M (B) M12 x 1 38,0 12,0 6,0 6,0 25,5 25,0 12,5 – 5 –
∆ UF M14 x 1.5 U13935143 ECO (LR)OEM .25M (B) M14 x 1,5 45,0 16,0 8,0 5,0 35,0 30,0 15,0 – 5 –
∆ UF M16 x 1.5 U19018143 ECO (LR)OEM .35M (B) M16 x 1,5 45,0 16,0 8,0 5,0 35,0 30,0 15,0 – – –
∆ UF M20 x 1.5 U12646143 ECO (LR)OEM .5M (B) M20 x 1,5 48,0 16,0 8,0 6,5 35,0 35,0 – 4,75 11,4 25,5
∆ UF M25 x 1.5 U13004143 ECO (LR)OEM 1.0MF (B) M25 x 1,5
∆ UF M27 x 3 U12587143 ECO (LR)OEM 1.0M (B) M27 X 3 48,0 16,0 8,0 6,5 35,0 35,0 – 4,75 11,4 25,5

Notes: 1. ∆ = Non-standard lead time items, contact ITT Enidine.

2. All dimensions in millimeters

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ECO Adjustable Series Hydraulic Shock Absorbers
OEM ECO OEM Small Bore Series
ECO OEM 0.1M ➞ ECO OEM 1.0M Series Accessories
Side Load Adaptor (SLA)
Adjustable Series

ØS
JAM NUT E

WF ØD

WL
B A STROKE

Catalog No./ Part Model Stroke A B C D E S WF WL

Model Number Ref mm mm mm mm mm mm mm mm mm
SLA 10MF SLA 33457 ECO OEM 0.1M 6,4 12 11 M10 x 1 5 21,9 13 11 4,0
SLA 12MF SLA 33299 ECO OEM .15M 10,0 18 14 M12 x 1 6 32,4 16 13 7,0
∆ SLA 14MC SLA 34756 ECO (LR)OEM .25M 10,0 18 16 M14 x 1,5 8 34,3 18 15 7,0
SLA 16 MC SLA 34757 ECO (LR)OEM .35M 12,7 20 16 M16 x 1,5 8 39,2 20 17 7,0
SLA 20 MC SLA 33262 ECO (LR)OEM .5M 12,7 14 24 M20 x 1,5 11 41,5 25 22 7,0
SLA 25 MF SLA 33263 ECO (LR)OEM 1.0MF 25,0 38 30 M25 x 1,5 15 73,2 36 32 10,0
SLA 27 MC SLA 33296 ECO (LR)OEM 1.0M 25,0 38 30 M27 x 3 15 73,2 36 32 10,0
Notes: 1. Maximum sideload angle is 30°.
2. ∆ = Non-standard lead time items, contact ITT Enidine.

Clevis Mount
ØS ØN
ØQ
ØM

X V
W
L

(S) M N P
Catalog No./Model Stroke L +.010/-.000 +.010/-.000 +.000/-.010 Q S V W X Mass
mm mm mm
mm mm mm mm mm mm mm g

∆ ECO OEM 1.0M CMS 25 162,1

3,58
+0,13/0
6,02
+0,13/0
9,5
0/-0,3 6,4 31,8 3,2 9,0 6,4 394
Notes: 1. Maximum sideload angle is 30°.
2. ∆ = Non-standard lead time items, contact ITT Enidine.

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 ECO
Adjustable Series Hydraulic Shock Absorbers
OEM
ECO OEM Small Bore Series
ECO OEM 1.15M ➞ ECO (LR)OEM 1.25M Series Technical Data
Standard

Adjustable Series
C ØD

ØG ØE ØE1*

H J URETHANE CAP
WF
WL OPTIONAL
F
A
A1*
*Note: A1 and E1 apply to urethane striker cap accessory.

Nominal Coil Spring Force

Optimal FP FD
(S) Velocity ET ETC Max. Max.
Catalog No./ Stroke Range Max. Max. Reaction Extended Compressed Propelling Mass
Model mm m/s Nm/c Nm/hr Force N N N Force N g
∆ ECO OEM 1.15M x 1 25,0 0,3-3,30 195,0 75 700 11 120 56,0 89,0 2 220 482
∆ ECO (LR)OEM 1.15M x 1 25,0 0,08-2,0 195,0 75 700 11 120 56,0 89,0 3 335 482
∆ ECO OEM 1.15M x 2 50,0 0,3-3,30 385,0 98 962 11 120 31,0 89,0 2 220 708
∆ ECO (LR)OEM 1.15M x 2 50,0 0,08-2,0 385,0 98 962 11 120 31,0 89,0 3 335 708
ECO OEM 1.25M x 1 25,0 0,3-3,30 195,0 100 000 11 120 56,0 89,0 2 220 567
ECO (LR)OEM 1.25M x 1 25,0 0,08-2,0 195,0 100 000 11 120 56,0 89,0 3 335 567
ECO OEM 1.25M x 2 50,0 0,3-3,30 385,0 111 400 11 120 31,0 89,0 2 220 737
ECO (LR)OEM 1.25M x 2 50,0 0,08-2,0 385,0 111 400 11 120 31,0 89,0 3 335 737

Catalog No./Model A A1 C D E E1 F G H J WF WL
mm mm mm mm mm mm mm mm mm mm mm mm
∆ ECO (LR)OEM 1.15M x 1 150,0 155,5 M33 x 1,5 9,5 29,0 30,5 97,0 28,0 14,0 5,3 30,0 16,0
∆ ECO (LR)OEM 1.15M x 2 217,0 222,0 M33 x 1,5 9,5 29,0 30,5 138,0 28,0 14,0 5,3 30,0 16,0
ECO (LR)OEM 1.25M x 1 150,0 155,5 M36 x 1,5 9,5 29,0 30,5 97,0 28,0 14,0 5,3 33,0 16,0
ECO (LR)OEM 1.25M x 2 217,0 222,0 M36 x 1,5 9,5 29,0 30,5 138,0 28,0 14,0 5,3 33,0 16,0
Notes: 1. All shock absorbers will function satisfactorily at 5% of their maximum rated energy per cycle. If less than 5%, a smaller model should be specified.
2. For mounting accessories, see pages 25-26.
3. Urethane striker caps are available as accessories for models ECO OEM 1.15M x 1 to ECO OEM 1.25M x 2.
4. ∆ = Non-standard lead time items, contact ITT Enidine.

Urethane Striker Cap (USC)

ØE

Catalog No./ Part Model A E Mass

Model Number Ref mm mm g
UC 8609 C98609079 ECO (LR)OEM 1.15/1.25M 10,0 30,5 6

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A4-Metric-6:Project1-A4-Metric 5/28/24 12:45 PM Page 25

ECO Adjustable Series Hydraulic Shock Absorbers

OEM ECO OEM Small Bore Series
ECO OEM 1.15M ➞ ECO OEM 1.25M Series Accessories

Jam Nut (JN)

Adjustable Series

Catalog No./ Part Model JA JB JH Mass

Model Number Ref mm mm mm g
JN M33 x 1.5 J224061035 ECO (LR)OEM 1.15M 47,3 41,0 6,4 27
JA
JN M36 x 1.5 J224063035 ECO (LR)OEM 1.25M 47,3 41,0 6,4 27
JB

JH

Stop Collar (SC)

WF WL
Catalog No./ Part Model CA CD WF WL Mass
Model Number Ref mm mm mm mm g
ØCD ΔSC M33 x 1.5 M923865058 ECO OEM 1.15M 41,0 36,0 30,0 17,0 215
ΔSC M36 x 1.5 M924063058 ECO OEM 1.25M 63,5 43,0 41,0 18,0 210
ΔSC M25 x 2 x 1.56 M930288171 HP 110 MC 50,8 38,0 32,0 15,0 215
HEX JAM NUT CA ΔSC M25 x 1.5 x 1.56 M931291171 HP 110 MF 50,8 38,0 32,0 15,0 215
(NOT INCLUDED) Notes: 1. *Do not use with urethane striker cap.
2. Δ= Non-standard lead time items, contact ITT Enidine.

Rectangular Flange (RF)

LOCK
ØFC SLOT

Catalog No./ Part Model FC FH RD RE SA SB Size Mass

Model Number Ref mm mm mm mm mm mm mm g
RF M33 x 1.5 N121049141 ECO (LR)OEM 1.15M 5,5 9,5 41,3 50,8 44,5 28,6 M5 30
SA SB RF M36 x 1.5 N121293141 ECO (LR)OEM 1.25M 5,5 9,5 41,3 58,8 44,5 28,6 M5 30

RD FH
RE

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Adjustable Series Hydraulic Shock Absorbers ECO
ECO OEM Small Bore Series OEM
ECO OEM 1.15M ➞ ECO OEM 1.25M Series Accessories

Clevis Mount

Adjustable Series
ØS SPRING OPTIONAL ØT
ØN
ØM

Stroke CR
X
V
P W Q
Hex L

S
Catalog No./Model Stroke L M N P Q S T V W X CR Mass
mm mm mm mm mm mm mm mm mm mm mm mm g
∆ECO (LR)OEM 1.15 x 1 CM (S) 25 163,6 6,02 6,02 12,7 12,7 38,1 22,3 6,0 8,3 6,0 10,0 725
+0,13/0 +0,13/0 0/-0,3 0/-0,3

∆ECO (LR)OEM 1.15 x 2 CM (S) 50 230,4 6,02 6,02 12,7 12,7 38,1 22,3 6,0 8,3 6,0 10,0 861
+0,13/0 +0,13/0 0/-0,3 0/-0,3

∆ECO (LR)OEM 1.25 x 1 CM (S) 25 163,6 6,02 6,02 12,7 12,7 38,1 22,3 6,0 8,3 6,0 10,0 725
+0,13/0 +0,13/0 0/-0,3 0/-0,3

∆ECO (LR)OEM 1.25 x 2 CM (S) 50 230,4 6,02 6,02 12,7 12,7 38,1 22,3 6,0 8,3 6,0 10,0 861
+0,13/0 +0,13/0 0/-0,3 0/-0,3
Notes: 1. “S” designates model is supplied with spring.
2. ∆= Non-standard lead time items, contact ITT Enidine.

Flange Foot Mount

FD ØFC

FG
FE

FB FK
FA FJ Y + STROKE Z + STROKE

Bolt
Catalog No./ Part Model Y Z FA FB FC FD FE FG FJ FK Size Mass
Model Number Ref mm mm mm mm mm mm mm mm mm mm mm g
FM M33 x 1.5 2F21049306 ECO (LR)OEM 1.15M 56,6 31,8 70,0 60,3 6,0 44,5 12,7 22,7 6,4 22,2 M5 100
FM M36 x 1.5 2F21293306 ECO (LR)OEM 1.25M 56,6 31,8 70,0 60,3 6,0 44,5 12,7 22,7 6,4 22,2 M5 100

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OEM Adjustable Series Hydraulic Shock Absorbers
XT OEMXT Mid-Bore Series
OEMXT 3/4 ➞ (LR)OEMXT 1.5M Series Technical Data
Standard
A1*
Adjustable Series

A
F
K K1
ØB
4X WL
ØD

ØE ØE1*
2X WF

C C

ADJUSTMENT KNOB *Note: A1 and E1 apply to urethane striker cap accessory.

Optimal Fp Nominal Coil Spring Force FD

(S) Velocity ET ETC Max. Max.
Catalog No./Model Stroke Range Max. Max. Reaction Extended Compressed Propelling Mass
mm m/s Nm/c Nm/hr Force N N N Force N Kg
OEMXT 3/4 x 1 25,0 0,3-3,5 425 126 000 20 000 48 68 2 890 1,2
(LR)OEMXT 3/4 x 1 25,0 0,08-1,3 425 126 000 20 000 48 68 6 660 1,2
OEMXT 3/4 x 2 50,0 0,3-3,5 850 167 000 20 000 29 68 2 890 1,7
(LR)OEMXT 3/4 x 2 50,0 0,08-1,3 850 167 000 20 000 48 85 6 660 1,7
OEMXT 3/4 x 3 75,0 0,3-3,5 1 300 201 000 20 000 29 85 2 890 2,1
OEMXT 1.5M x 1 25,0 0,3-3,5 425 126 000 20 000 48 68 2 890 1,2
(LR)OEMXT 1.5M x 1 25,0 0,08-1,3 425 126 000 20 000 48 68 6 660 1,2
OEMXT 1.5M x 2 50,0 0,3-3,5 850 167 000 20 000 29 68 2 890 1,7
(LR)OEMXT 1.5M x 2 50,0 0,08-1,3 850 167 000 20 000 48 85 6 660 1,7
OEMXT 1.5M x 3 75,0 0,3-3,5 1 300 201 000 20 000 29 85 2 890 2,1

Catalog No./Model C A A1 B D E E1 F K K1 WF WL
Thread mm mm mm mm mm mm mm mm mm mm mm
(LR)OEMXT 3/4 x 1 1 3/4 - 12 UN 144 162 58 13 38 44 92 32 32 40,5 19
(LR)OEMXT 3/4 x 2 1 3/4 - 12 UN 195 213 58 13 38 44 118 45 45 40,5 19
(LR)OEMXT 3/4 x 3 1 3/4 - 12 UN 246 264 58 13 38 44 143 57 57 40,5 19
(LR)OEMXT 1.5M x 1 M42 x 1,5 144 162 58 13 38 44 92 32 32 40,5 19
(LR)OEMXT 1.5M x 2 M42 x 1,5 195 213 58 13 38 44 118 45 45 40,5 19
(LR)OEMXT 1.5M x 3 M42 x 1,5 246 264 58 13 38 44 143 57 57 40,5 19

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 OEM
Adjustable Series Hydraulic Shock Absorbers
XT
OEMXT Mid-Bore Series
OEMXT 3/4 ➞ (LR)OEMXT 1.5M Series Accessories
Clevis Mount

Adjustable Series
ØN LOCK RING
SPRING OPTIONAL
ØT ØM

U
CR

ØS W V Z
P L
Q

(S)
Catalog No./Model Stroke L M N P Q S T U V W Z CR Mass
mm mm mm mm mm mm mm mm mm mm mm mm mm Kg

∆ (LR)OEMXT /4 x 1 CM (S)
3 12,70 19,0 25,4 14,3
25 199,0 9,60 51,0 25,4 25,0 26,0 22,0 12,9 1,59
+0,25/0 +0,25/0 0/-0,3 +0,5/-0

∆ (LR)OEMXT 1.5M x 1 CM (S) 25 199,0 9,60

12,70 19,0 25,4 51,0 25,4 25,0 26,0 22,0 12,9 14,3 1,59
+0,25/0 +0,25/0 0/-0,3 +0,5/-0

∆ (LR)OEMXT /4 x 2 CM (S)
3 12,70 19,0 25,4 14,3
50 250,0 9,60 +0,25/0 +0,25/0 0/-0,3 51,0 25,4 25,0 26,0 22,0 12,9 +0,5/-0
1,7

∆ (LR)OEMXT 1.5M x 2 CM (S) 12,70 19,0 25,4 51,0 25,4 25,0 26,0 22,0 12,9 14,3
50 250,0 9,60 +0,25/0 +0,25/0 0/-0,3 +0,5/-0 1,7

∆ OEMXT /4 x 3 CM (S)
3
12,70 19,0 25,4 51,0 25,4 25,0 26,0 22,0 12,9 14,3
75 300,0 9,60 +0,25/0 +0,25/0 0/-0,3 +0,5/-0 1,95

∆ OEMXT 1.5M x 3 CM (S) 12,70 19,0 25,4 51,0 25,4 25,0 26,0 22,0 12,9 14,3 1,95
75 300,0 9,60 +0,25/0 +0,25/0 0/-0,3 +0,5/-0

Notes: 1. “S” designates model is supplied with spring.

2. ∆ = Non-standard lead time items, contact ITT Enidine.

Flange Foot Mount

ADJUSTMENT LOCK RING
KNOB

ØFC
FD
FG
FE
FK
FB
FJ Y + STROKE Z + STROKE FA

Bolt
Catalog No./ Part Model Y Z FA FB FC FD FE FG FJ FK Size Mass
Model Number Ref mm mm mm mm mm mm mm mm mm mm mm g
FM 1 3/4-12 2FE2940 (LR)OEM 3/4 60,5 26,9 95,3 76,2 8,6 55,0 12,7 29,5 9,7 19,1 M8 370
FM M42 x 1,5 2F2940 (LR)OEM 1.5M 60,5 26,9 95,3 76,2 8,6 55,0 12,7 29,5 9,7 19,1 M8 370

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OEM Adjustable Series Hydraulic Shock Absorbers
XT OEMXT Mid-Bore Series
OEMXT 11/8 ➞ (LR)OEMXT 2.0M Series Technical Data
Standard
A1*
Adjustable Series

A
F
K K1
ØB
4X WL
ØD

ØE ØE1*
2X WF

C C

*Note: A1 and E1 apply to urethane striker cap accessory.

ADJUSTMENT KNOB

Optimal Fp Nominal Coil Spring Force FD

(S) Velocity ET ETC Max. Max.
Catalog No./ Stroke Range Max. Max. Reaction Extended Compressed Propelling Mass
Model mm m/s Nm/c Nm/hr Force N N N Force N Kg
∆ LROEMXT 1 1/8 x 1 25,0 0,08-1,35 1 130 226 000 51 000 115 155 17 760 2,1
OEMXT 1 1/8 x 2 50,0 0,3-3,5 2 260 271 000 51 000 75 155 6 660 3,6
LROEMXT 1 1/8 x 2 50,0 0,08-1,35 2 260 271 000 51 000 75 155 17 760 3,6
OEMXT 1 1/8 x 4 100,0 0,3-3,5 4 520 362 000 51 000 70 160 6 660 4,9
OEMXT 1 1/8 x 6 150,0 0,3-3,5 6 780 421 000 51 000 90 284 6 660 6,4
∆ LROEMXT 2.0M x 1 25,0 0,08-1,35 1 130 226 000 51 000 115 155 17 760 2,1
OEMXT 2.0M x 2 50,0 0,3-3,5 2 260 271 000 51 000 75 155 6 660 3,6
LROEMXT 2.0M x2 50,0 0,08-1,35 2 260 271 000 51 000 75 155 17 760 3,6
OEMXT 2.0M x 4 100,0 0,3-3,5 4 520 362 000 51 000 70 160 6 660 4,9
OEMXT 2.0M x 6 150,0 0,3-3,5 6 780 421 000 51 000 90 284 6 660 6,4
Note: ∆ = Non-standard lead time items, contact ITT Enidine.

C A A1 B D E E1 F K K1 WF WL
Catalog No./Model mm mm mm mm mm mm mm mm mm mm mm
∆ LROEMXT 1 1/8 x 1 2 1/2 - 12 UN 175 192 77 19 50 57 114 38 38 61,5 19
LROEMXT 1 1/8 x 2 2 1/2 - 12 UN 226 243 77 19 50 57 140 51 51 61,5 19
OEMXT 1 1/8 x 4 2 1/2 -12 UN 328 345 77 19 50 57 191 76 76 61,5 19
OEMXT 1 1/8 x 6 2 1/2 -12 UN 456 473 77 19 50 57 241 76 76 61,5 19
∆ LROEMXT 2.0M x 1 M64 x 2,0 175 192 77 19 50 57 114 38 38 61,5 19
(LR)OEMXT 2.0M x 2 M64 x 2,0 226 243 77 19 50 57 140 51 51 61,5 19
OEMXT 2.0M x 4 M64 x 2,0 328 345 77 19 50 57 191 76 76 61,5 19
OEMXT 2.0M x 6 M64 x 2,0 456 473 77 19 50 57 241 76 76 61,5 19
Note: ∆ = Non-standard lead time items, contact ITT Enidine.

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 OEM
Adjustable Series Hydraulic Shock Absorbers
XT
OEMXT Mid-Bore Series Accessories
OEMXT 11/8 ➞ (LR)OEMXT 2.0M Series Accessories
Clevis Mount

Adjustable Series
ØN LOCK RING SPRING OPTIONAL
ØT ØM

U
CR
W V
P ØS Z
L
Q

(S)
Catalog No./Model Stroke L M N P Q S T U V W Z CR Mass
mm mm mm mm mm mm mm mm mm mm mm mm mm Kg

∆ (LR)OEMXT 1 1/ 8 x 2 CM (S) 50 19,07

306,0 +0,25/0 19,07 31,7 38,0 73,0 38,0 38,0 36,0 26,0 16,0 23,0 5,30
+0,25/0 0/-0,3 +0,5/0,0

∆ (LR)OEMXT 2.0M x 2 CM (S) 50 306,0 19,07 19,07 31,7 38,0 73,0 38,0 38,0 36,0 26,0 16,0 23,0 5,30
+0,25/0 +0,25/0 0/-0,3 +0,5/0,0

∆ OEMXT 1 1/ 8 x 4 CM (S) 100 19,07

408,0 +0,25/0 19,07 31,7 38,0 73,0 38,0 38,0 36,0 26,0 16,0 23,0 6,08
+0,25/0 0/-0,3 +0,5/0,0

∆ OEMXT 2.0M x 4 CM (S) 100 408,0

19,07 19,07 31,7 38,0 73,0 38,0 38,0 36,0 26,0 16,0 23,0 6,08
+0,25/0 +0,25/0 0/-0,3 +0,5/0,0

∆ OEMXT 1 1/ 8 x 6 CM (S) 150 19,07

537,0 +0,25/0 19,07 31,7 38,0 73,0 38,0 38,0 36,0 26,0 16,0 23,0 7,39
+0,25/0 0/-0,3 +0,5/0,0

∆ OEMXT 2.0M x 6 CM (S) 150 537,0

19,07 19,07 31,7 38,0 73,0 38,0 38,0 36,0 26,0 16,0 23,0 7,39
+0,25/0 +0,25/0 0/-0,3 +0,5/0,0

2. ∆ = Non-standard lead time items, contact ITT Enidine.

Notes: 1. “S” designates model is supplied with spring.

Flange Foot Mount

ADJUSTMENT LOCK RING

KNOB

ØFC
FD
FG
FE
FK
FB
FJ Y + STROKE Z + STROKE FA

Bolt
Catalog No./ Part Model Y Z FA FB FC FD FE FG FJ FK Size Mass Notes
Model Number Ref mm mm mm mm mm mm mm mm mm mm mm Kg
FM 2 1/2 x 12 2FE3010 (LR)OEM 1 1/8 76,2 39,6 143,0 124,0 10,4 89,7 16,0 44,5 11,2 22,4 M10 1.08 1
FM M64 x 2 2F3010 (LR)OEM 2.0M 76,2 39,6 143,0 124,0 10,4 89,7 16,0 44,5 11,2 22,4 M10 1.08 2
Notes: 1. OEM 1 1/8 x 6 ‘Z’ dimension is 68,3 mm.
2. OEM 2.0M x 6 ‘Z’ dimension is 68,3 mm.

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OEM Adjustable Series Hydraulic Shock Absorbers
OEM Large-Bore Series
OEM 3.0M ➞ OEM 4.0M Series Technical Data
Standard
Adjustable Series

ADJUSTMENT KNOB

C K TYP

ØE ØE1*

H ØB
F ØD
A
A1*

*Note: A1 and E1 apply to urethane striker cap accessory.

Optimal Fp Nominal Coil Spring Force FD

(S) Velocity ET ETC Max. Max.
Catalog No./ Stroke Range Max. Max. Reaction Extended Compressed Propelling Mass
Model mm m/s Nm/c Nm/hr Force N N N Force N Kg
OEM 3.0M x 2 50 0,3-4,3 2 300 372 000 67 000 110 200 12 000 7,0
OEM 3.0M x 3.5 90 0,3-4,3 4 000 652 000 67 000 110 200 12 000 9,1
OEM 3.0M x 5 125 0,3-4,3 5 700 933 000 67 000 71 200 12 000 10,9
OEM 3.0M x 6.5 165 0,3-4,3 7 300 1 215 000 67 000 120 330 12 000 13,6
OEM 4.0M x 2 50 0,3-4,3 3 800 1 503 000 111 000 225 290 21 000 15,0
OEM 4.0M x 4 100 0,3-4,3 7 700 1 808 000 111 000 155 290 21 000 18,2
OEM 4.0M x 6 150 0,3-4,3 11 500 2 102 000 111 000 135 310 21 000 20,0
∆ OEM 4.0M x 8 200 0,3-4,3 15 400 2 407 000 111 000 180 355 21 000 30,0
∆ OEM 4.0M x 10 250 0,3-4,3 19 200 2 712 000 111 000 135 355 21 000 33,0
Note: ∆ = Non-standard lead time items, contact ITT Enidine.

Catalog No./Model A A1 B C D E E1 F H J K
mm mm mm mm mm mm mm mm mm mm
OEM 3.0M x 2 245 265 98 M85 x 2.0 22 69 76 140 70 58 51
OEM 3.0M x 3.5 323 343 98 M85 x 2.0 22 69 76 179 90 58 71
OEM 3.0M x 5 399 419 98 M85 x 2.0 22 69 76 217 109 58 71
OEM 3.0M x 6.5 494 514 98 M85 x 2.0 22 81 81 256 128 58 71
OEM 4.0M x 2 313 335 127 M115 x 2.0 35 88 95 203 102 74 80
OEM 4.0M x 4 414 436 127 M115 x 2.0 35 88 95 254 127 74 105
OEM 4.0M x 6 516 538 127 M115 x 2.0 35 88 95 305 153 74 108
∆ OEM 4.0M x 8 643 665 127 M115 x 2.0 35 88 95 356 178 74 108
∆ OEM 4.0M x 10 745 767 127 M115 x 2.0 35 88 95 406 203 74 108
Notes: 1. All shock absorbers will function satisfactorily at 5% of their maximum rated energy per cycle. If less than 5%, a smaller model should be specified.
2. For mounting accessories, see pages 32.
3. Rear flange mounting of OEM 3.0M x 6.5, OEM 4.0M x 8 and OEM 4.0M x 10 models not recommended when mounting horizontally.
4. ∆ = Non-standard lead time items, contact ITT Enidine.

31 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Adjustable Series Hydraulic Shock Absorbers OEM
OEM Large-Bore Series
OEM 3.0M ➞ OEM 4.0M Series Accessories
Clevis Mount

Adjustable Series
LOCK RING SPRING OPTIONAL
ØT
ØN ØM

CR
V Z
P ØS
L
Q

(S)
Catalog No./Model Stroke L M N P Q S T U V W Z CR Mass
mm mm mm mm mm mm mm mm mm mm mm mm mm Kg

∆ OEM 3.0M x 2 CM (S) 50 325,0 19,07 19,07 31,7 38,0 98,0 38,1 38,1 36,0 26,0 16,0 23,0 8,66
+0,25/0 +0,25/0 0/-0,3 +0,5/0

∆ OEM 3.0M x 3.5 CM (S) 90 402,0 19,07 19,07 31,7 38,0 98,0 38,1 38,1 36,0 26,0 16,0 23,0 10,70
+0,25/0 +0,25/0 0/-0,3 +0,5/0

∆ OEM 3.0M x 5 CM (S) 125 479,0 19,07 19,07 31,7 38,0 98,0 38,1 38,1 36,0 26,0 16,0 23,0 12,52
+0,25/0 +0,25/0 0/-0,3 +0,5/0

∆ OEM 3.0M x 6.5 CM (S) 165 574,0 19,07 19,07 31,7 38,0 98,0 38,1 38,1 36,0 26,0 16,0 23,0 15,24
+0,25/0 +0,25/0 0/-0,3 +0,5/0

∆ OEM 4.0M x 2 CM (S) 50 432,0 25,42 25,42 38,1 90,5 127,0 57,2 51,0 51,0 44,0 38,2 35,0 19,23
+0,25/0 +0,25/0 0/-0,3 +0,5/0

∆ OEM 4.0M x 4 CM (S) 100 533,0 25,42 25,42 38,1 90,5 127,0 57,2 51,0 51,0 44,0 38,2 35,0 22,41
+0,25/0 +0,25/0 0/-0,3 +0,5/0

∆ OEM 4.0M x 6 CM (S) 150 635,0 25,42 25,42 38,1 90,5 127,0 57,2 51,0 51,0 44,0 38,2 35,0 24,22
+0,25/0 +0,25/0 0/-0,3 +0,5/0

∆ OEM 4.0M x 8 CM (S) 200 762,0 25,42 25,42 38,1 90,5 127,0 57,2 51,0 51,0 44,0 38,2 35,0 34,20
+0,25/0 +0,25/0 0/-0,3 +0,5/0

∆ OEM 4.0M x 10 CM (S) 250 864,0 25,42 25,42 38,1 90,5 127,0 57,2 51,0 51,0 44,0 38,2 35,0 37,37
+0,25/0 +0,25/0 0/-0,3 +0,5/0
Notes: 1. “S” indicates model is supplied with spring.
2. ∆ = Non-standard lead time items, contact ITT Enidine.

Flange Foot Mount

ADJUSTMENT LOCK RING

KNOB

ØFC
FD
FG
FE

FJ FB
Y + STROKE Z + STROKE
FA

Bolt
Catalog No./ Part Model Ref J Y Z FA FB FC FD FE FG FJ FK Size Mass Notes
Model Number mm mm mm mm mm mm mm mm mm mm mm mm kg
FM M85 x 2 2F3330 OEM 3.0M 58 81,0 59,0 165,0 139,7 13,5 103,0 25,4 52,3 14,1 28,7 M12 1 984 1
FM M115 x 2 2F3720 OEM 4.0M 74 190,5 37,0 203,2 165,0 16,8 149,4 38,0 79,5 16,0 50,8 M16 3 900 2
Notes: 1. OEM 3.0M x 6,5, Z dimension is 77,7mm.
2. OEM 4.0M x 8 and 4.0M x 10M, Z dimension is 62,0mm.
3. For rear foot mount, dimension FJ is 22,4mm.

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OEM Adjustable Series Hydraulic Shock Absorbers
OEMXT Mid-Bore/OEM Large-Bore Accessories
Accessories
Stop Collar (SC)
Adjustable Series

Catalog No./ Part Model CA CB CD Mass

(LR)OEMXT 3/4 ➞ (LR)OEMXT 2.0M Model Number Ref mm mm mm g
∆ SC M2 / 2 - 12*
1 3
8KE2940 (LR)OEMXT /4 49,0 49,0 56,5 340
∆ SC M2 / 2 - 12 x 2
1 1
8KE3010 (LR)OEMXT 1 /8 x 2 & 4 63,0 65,0 76,0 652
∆ SC M2 / 2 - 12 x 6
1 1
ØCB ØCD 8KE3012 (LR)OEMXT 1 /8 x 6 93,0 65,0 76,0 936
∆ SC M42 x 1.5 x 1 8K2940 (LR)OEMXT 1.5M x 1 62,0 49,0 56,0 397
∆ SC M42 x 1.5 x 2 8K2941 (LR)OEMXT 1.5M x 2 75,0 49,0 56,0 539
∆ SC M42 x 1.5 x 3
CA
8K2942 OEMXT 1.5M x 3 87,0 49,0 56,0 652
∆ SC M64 x 2 x 2 M93010057 (LR)OEMXT 2.0M x 2 89,0 65,0 76,0 936
∆ SC M64 x 2 x 4 M93011057 OEMXT 2.0M x 4 114,0 65,0 76,0 1 191
∆ SC M64 x 2 x 6 M93012057 OEMXT 2.0M x 6 143,0 65,0 76,0 1 475
Notes: 1. * Do not use with urethane striker cap.
2. ∆ = Non-standard lead time items, contact ITT Enidine.

Lock Ring (LR)

ØB LH

Catalog No./ Part Model B LH Mass

Model Number Ref mm mm g
LR 1 3/4 - 12 F8E2940049 (LR)OEMXT 3/4 50,8 9,6 85
LR 2 1/2 - 12 F8E3010049 (LR)OEMXT 1 1/8 73,0 12,7 114
LR M42 x 1.5 F82940049 (LR)OEMXT 1.5M 50,8 9,6 85
LR M64 x 2 F83010049 (LR)OEMXT 2.0M 73,0 12,7 114
LR M85 x 2 F83330049 (LR)OEM 3.0M 98,2 16,0 226
LR M115 x 2 F83720049 (LR)OEM 4.0M 126,7 22,4 397

Square Flange (SF)

LOCK
SLOT
ØFC

Bolt
Catalog No./ Part Model FC FH SA SB Size Mass
Model Number Ref mm mm mm mm mm g
SF 1 3/4 - 12 M4E2940129 (LR)OEMXT 3/4 8,6 12,7 57,2 41,4 M8 140
SF 2 1/2 - 12 M4E3010129 (LR)OEMXT 1 1/8 10,4 15,7 88,9 69,9 M10 570
SF M42 x 1.5 M42940129 (LR)OEMXT 1.5M 8,6 12,7 57,2 41,4 M8 140
SB FH SF M64 x 2 M43010141 (LR)OEMXT 2.0M 10,4 15,7 88,9 69,9 M10 570
SF M85 x 2 M43330141 OEM 3.0M 13,5 19,0 101,6 76,2 M13 680
SA SF M115 x 2 M43720141 OEM 4.0M 16,5 25,4 139,7 111,3 M16 1 590

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 Adjustable Series Hydraulic Shock Absorbers OEM
OEMXT Mid-Bore/OEM Large-Bore Accessories
Accessories
Rectangular Flange (RF)

Adjustable Series
ØFC LOCK
SLOT

Bolt
Catalog No./ Part Model FC FH RD RE SA SB Size Mass
SA SB Model Number Ref mm mm mm mm mm mm mm g
RF 1 /4 -12 M5E2940129 (LR)OEMXT 3/4
3 8,6 12,7 60,5 76,2 57,2 41,4 M8 260
RF M42 x 1.5 M52940129 (LR)OEMXT 1.5M 8,6 12,7 60,5 76,2 57,2 41,4 M8 260
RF M85 x 2 M53330129 OEM 3.0M 13,5 19,1 101,6 127,0 101,6 76,2 M13 1 040
RD FH
RE

Stop Bar Kit

A B

Bolt
Kit Part Model A B C D E F T Size Mass
Number Ref mm mm mm mm mm mm mm g

D C ∆ T52940300 OEMXT 3/4 16,0 26,2 57,2 41,4 7,98,1 5/16 - 24 UNF x 18 mm DEEP 5/16 173
∆ T53010300
2X T
OEMXT 1 1/8 12,7 36,1 88,9 69,9 9,78,1 3/8 - 24 UNF x 18 mm DEEP 3/8 298
Notes: 1. Kit includes 2 Stop Bars, Rectangular Flange for OEMXT 3/4 and 1.5M,
Square Flange for 1 1/8 and 2.0M and Lock Ring.
2. ∆ = Non-standard lead time items, contact ITT Enidine.
E

Urethane Striker Cap (UC)

ØE Catalog No./ Part Model A E1 Mass

Model Number Ref mm mm g
UC 2940 C92940079 (LR)OEMXT 3/4 24,5 44,5 14
UC 3010 C93010079 (LR)OEMXT 1 1/8 24,1 57,0 23
UC 2940 C92940079 (LR)OEMXT 1.5M 24,5 44,5 14
UC 3010 C93010079 (LR)OEMXT 2.0M 24,1 57,0 23
UC 3330 C93330079 OEM 3.0M 31,4 76,0 85
A UC 3720 C93720079 OEM 4.0M 37,5 95,0 170
Note: For complete shock absorber dimension with urethane striker cap, refer to engineering data,
pages 27-31.

Stop Collar With Flange (SCF)

1
B /4 - 20
ØA 2X ØE UNC
D
Bolt
Catalog No./ Part Model A B C D E F G Size Mass
±.002
Model Number Ref mm mm mm mm mm mm mm mm g
2X ØG ∆ SCF 1 /4 -12 M98640300 OEMXT 3/4
3 83 49,3 22,4 6,4 8,6 70 56 8 638
∆ SCF 21/2 -12 M98650300
ØF
OEMXT 1 1/8 108 63 25,4 9,7 8,6 89 75 8 1 238
Notes: 1. Locking set screw feature provided as standard.
2. ∆ = Non-standard lead time items, contact ITT Enidine.
C

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OEM Adjustable Series Hydraulic Shock Absorbers
XT ECO OEM/OEMXT/OEM Large Bore Series
Adjustment Techniques
After properly sizing the shock absorber, the useable range of Example: OEM 1.25M x 1
adjustment settings for the application can be determined: 1. Impact Velocity: 1,0 m/s
1. Locate the intersection point of the application’s impact 2. Intersection Point: Adjustment Setting 5
velocity and the selected model graph line.
Adjustable Series

3. Useable Adjustment: Setting Range 0 to 5

2. The intersection is the maximum adjustment setting to
be used. Adjustments exceeding this maximum Example: (LR)OEMXT 2.0M x 2
suggested setting could overload the shock absorber. 1. Impact Velocity: .5 m/s
3. The useable adjustment setting range is from the 0 2. Intersection Point: Adjustment Setting 3
setting to the maximum adjustment setting as
3. Useable Adjustment: Setting Range 0 to 3
determined in step 2.
Position 0 provides minimum damping force.
Useable Adjustment Setting Range Position 8 provides maximum damping force.
OEMXT Large

IMPACT VELOCITY (m/s)

ADJUSTMENT SETTING 180° adjustment with setscrew 360° adjustment with setscrew
locking. OEMXT 3.0M – OEM 4.0M locking. OEMXT 1.5M and OEMXT 2.0M
(LR)OEMXT Large

IMPACT VELOCITY (m/s)

ADJUSTMENT SETTING
360° adjustment with setscrew locking
(LR)OEMXT 1.5M and (LR)OEMXT 2.0M
IMPACT VELOCITY (m/s)
Small Series
ECO OEM

ADJUSTMENT SETTING
(For impact velocities below 0,3 m/s, consult factory)

180° adjustment with 360° adjustment with

setscrew locking setscrew locking
ECO OEM 0.1M - ECO OEM 0.5M ECO OEM 1.0M
ECO (LR)OEM
Small Series
IMPACT VELOCITY (m/s)

ADJUSTMENT SETTING
180° adjustment with 360° adjustment with
setscrew locking setscrew locking
ECO (LR)OEM 0.15M - ECO (LR)OEM 0.5M ECO (LR)OEM 1.0M

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Adjustable Series Hydraulic Shock Absorbers OEM
OEMXT/OEM Series XT
Typical Applications

Adjustable Series
Automotive Manufacturing Applications

Bottling Applications

Automation/Sorting Applications

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 TK Non-Adjustable Series Hydraulic Shock Absorbers
STH TK Micro-Bore Series, STH Series
Overview
Non-Adjustable Series

TK 10 TK 21

TK 6

STH Series

ITT Enidine non-adjustable micro-bore hydraulic shock absorbers can accommodate varying energy conditions. This family of
tamperproof shock absorbers provides consistent performance, cycle after cycle. Non-adjustable models are designed to
absorb maximum energy within a compact envelope size.

The TK Series is a versatile, miniature design which provides effective, reliable deceleration and vibration control for light loads.
Models can accommodate a wide range of operating conditions.

The ITT Enidine STH Series offers the highest energy absorption capacity relative to its size. These custom-orificed shock absorbers
are designed to meet exact application requirements. STH Series shock absorbers are available in fully threaded cylinder bodies,
providing flexibility in mounting configurations.

Features and Benefits

• Extensive non-adjustable product line offers flexibility in both • Threaded cylinders provide mounting flexibility and
size and energy absorption capacity to fulfill a wide range increase surface area for improved heat dissipation.
of application requirements.
• A select variety of surface finishes maintains original quality
• Tamperproof design ensures repeatable performance. appearance and provides the longest corrosion resistance
protection.
• Special materials and finishes can be designed to meet
specific customer requirements. • ISO quality standards result in reliable, long-life operation.

• Incorporating optional fluids and seal packages can expand

the standard operating temperature range from (–10°C to 80°C)
to (–30°C to 100°C).

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 TK
Non-Adjustable Series Hydraulic Shock Absorbers
STH
TK Micro-Bore Series, STH Series
Overview
ITT Enidine Non-Adjustable Single-Orifice Shock Absorbers

Non-Adjustable Series
Cylinder

Piston Rod
Check Ball
Piston Head
Bearing

Foam Accumulator

Orifice

Coil Spring

Piston Stop Plug

Constant orifice area damping (dashpot)

provides the largest shock force at the beginning of
the stroke when impact velocity is highest. These shock
absorbers provide high-energy absorption in a small,
economical design.

The internal structure of a single orifice shock absorber is shown The closed cellular foam accumulator is compressed by the oil
above. When a force is applied to the piston rod, the check ball during the stroke, compensating for fluid displaced by the
is seated and the valve remains closed. Oil is forced through the piston rod during compression. Without the fluid displacement
orifice, creating internal pressure allowing smooth, controlled volume provided by the foam accumulator, the closed system
deceleration of the moving load. When the load is removed, the would be hydraulically locked.
compressed coil spring moves to reposition the piston head, the
Single-orifice shock absorbers provide constant orifice area
check ball unseats, opening the valve that permits rapid return
(dashpot) damping.
of the piston head rod to the original extended position.

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 TK Non-Adjustable Series Hydraulic Shock Absorbers
STH TK Micro-Bore Series
TK 6M, TK 8M Series Technical Data
Non-Adjustable Series

Standard

ØG C
ØD Q

H
F
A

FP Nominal Coil
Reaction Force
Bore S ET ETC Max.
Catalog No./ Size Stroke Max. Max. Reaction Force Extended Compressed Mass
Model mm mm Nm/c N/hr N N N g
TK 6M 4,2 4,0 1,0 3 600 360 1,0 3,5 4
TK 8M 4,2 4,0 1,0 4 800 360 1,0 3,5 6

Catalog No./ Damping A C D F G H Q

Model Constant mm mm mm mm mm mm
TK 6M -1, -2, -3 29,0 M6 x 0,5 2,0 25,0 5,0 4,0 1,0
TK 8M -1, -2, -3 29,0 M8 x 1,0 2,0 25,0 6,4 4,0 1,0
Note: Dash numbers in page color are non-standard lead time items, contact ITT Enidine.

TK 6M/TK 8M
IMPACT VELOCITY (m/s)

TOTAL ENERGY (Nm/c)

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 Non-Adjustable Series Hydraulic Shock Absorbers TK
TK Micro-Bore Series
TK 10M Series Technical Data
Standard

Non-Adjustable Series
C C
ØD ØD
Q Q
ØG ØE* ØG

WL
WL H
WF F WF
H
F A
A1*

*Note: A1 and E apply to button models and urethane striker cap accessory.

FP Nominal Coil FD
S ET ETC Max. Spring Force Max.
Catalog No./ Stroke Max. Max. Reaction Extended Compressed Propelling Mass
Model mm Nm/c Nm/hr Force N N N Force N g
TK 10M (B) 6,4 6,0 13 000 1 400 1,5 10,0 – 17

TK 10M
Catalog No./ S
Model Damping A A1 C D E F G H Q WF WL Stroke
Constant mm mm mm mm mm mm mm mm mm mm mm
∆ TK 10M (B) -1 to -9 44,6 54,4 M10 x 1,0 3,1 8,5 38,0 8,3 5,0 1,5 9,0 4,0 6,4

Notes: 1. ∆ = Non-standard lead time items, contact ITT Enidine. -9

2. (B) indicates button model of shock absorber.

-8
TK 21M Series
IMPACT VELOCITY (m/s)
Standard
-7
ØG C
ØD
-6
Q

-5

-4
-3
H
-2
F
-1
A

0
*Note: A1 and E apply to button models and urethane striker cap accessory.
TOTAL ENERGY (Nm/c)
FP Nominal Coil FD
S ET ETC Max. Spring ForceMax.
Catalog No./ Stroke Max. Max. Reaction Extended Compressed Propelling Mass
Model mm Nm/c Nm/hr Force N N N Force N g
TK 21M 6,4 2,2 4 100 700 2,9 5,0 89 12

TK 21M

Catalog No./ Damping A C D F G H Q

Model Constant mm mm mm mm mm mm
TK 21M -1, -2, -3 35,4 M10 x 1,0 3,1 28,7 8,2 4,4 1,2
IMPACT VELOCITY (m/s)

Note: A positive stop is required to prevent the bottoming of the TK 21M shock absorber.

TOTAL ENERGY (Nm/c)

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STH Non-Adjustable Series Hydraulic Shock Absorbers
STH Series
STH .25M ➞ STH 1.5M x 2 Series Technical Data
Custom Orificed Products
Non-Adjustable Series

ØD

C
WF
F
A

ØD

ØE

C WF
F
A1

FP Nominal Coil Spring Force

S ET ETC Max.
Catalog No./ Stroke Max. Max. Reaction Extended Compressed Mass
Model mm Nm/c Nm/hr Force N N N g
∆ STH .25M 6,0 11 4 420 2 730 11 18 79
∆ STH .5M 12,5 65 44 200 8 000 18 31 218
∆ STH .75M 19,0 245 88 400 19 600 35 90 500
∆ STH 1.0M 25,0 500 147 000 29 800 98 235 726
∆ STH 1.0M x 2 50,0 1 000 235 000 29 800 66 133 862
∆ STH 1.5M x 1 25,0 1 150 250 000 65 000 90 227 1 400
∆ STH 1.5M x 2 50,0 2 300 360 000 65 000 56 227 1 800
Notes: 1. Custom orificed application data needed.
2. All shock absorbers will function at 5% of their rated energy per cycle. If less than 5%, a smaller model should be specified.
3. ITT Enidine recommends a positive stop to prevent bottoming of the shock absorber.
4. ∆ = Non-standard lead time items, contact ITT Enidine.

Catalog No./ A A1 C D E F WF
Model
mm mm mm mm mm mm
∆ STH .25M – 71,0 M14 x 1,0 4,8 12,7 51,0 13,0
∆ STH .5M – 89,0 M22 x 1,5 5,6 9,5 68,5 20,0
∆ STH .75M – 130,0 M30 x 2,0 8,0 14,3 103,0 27,0
∆ STH 1.0M – 170,0 M36 x 1,5 9,5 17,5 136,5 32,0
∆ STH 1.0M x 2 – 238,2 M36 x 1,5 9,5 17,5 178,3 32,0
∆ STH 1.5M x 1 180,0 – M45 x 1,5 16,0 – 154,0 42,0
∆ STH 1.5M x 2 270,0 – M45 x 1,5 16,0 – 219,0 42,0

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 Non-Adjustable Series Hydraulic Shock Absorbers STH
TK Micro-Bore Series, STH Series
TK 10M ➞ STH 1.5M x 2 Series Accessories

Non-Adjustable Series
Jam Nut (JN) Catalog No./ Part Number Model Ref JA JB JH Mass
Model mm mm mm g
JN M10 x1 J24421167 TK10M/TK21M 15,0 13,0 3,2 2,8
JN M14 X1 J24950035 STH .25M 19,7 17,0 4,0 3
JN M22 X 1.5 J26402167 STH .5M 31,5 27,0 5,5 12
JA JN M30 X2 J30583167 STH .75M 41,6 36,0 7,0 26
JN M36 X 1.5 J23164035 STH 1.0M 41,6 36,0 7,0 26
JB

JH

Lock Ring (LR)

ØB LH

Catalog No./ Part Model B LH Mass

Model Number Ref mm mm g
LR M45 x 1.5 F88637049 STH 1.5 Series 57,2 9,5 75

Square Flange (SF)

LOCK
SLOT
ØFC

Bolt
Catalog No./ Part Model FC FH SA SB Size Mass
Model Number Ref mm mm mm mm mm g
SF M45 X 1.5 M48637129 STH 1.5 Series 8,6 12,7 57,2 41,3 M8 142

SB FH

SA

Side Load Adapter (SLA)

WF E
ØS
C

ØD

WL
HEX JAM NUT B A STROKE
(NOT INCLUDED)

Catalog No./ Part Model Stroke A B C D E S WF WL

Model Number Ref mm mm mm mm mm mm mm mm
∆ SLA 10MF SLA 33457 TK 10M/TK 21M 6,9 12 11 M10 x 1 5,0 21,6 13,0 11,0 4,0
Notes: 1. Maximum sideload angle is 30°.
2. ∆ = Non-standard lead time items, contact ITT Enidine.

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 TK Non-Adjustable Series Hydraulic Shock Absorbers
STH TK Micro-Bore Series, STH Series
TK 10M ➞ STH 1.5M x 2 Series Accessories
Non-Adjustable Series

Rectangular Flange (RF)

LOCK
ØFC SLOT

SA SB

RD FH
RE

Bolt
Catalog No./ Part Model Ref A FC FH RD RE SA SB Size Mass
Model Number mm mm mm mm mm mm mm mm g

RF M45 x 1.5 M58637053 STH 1.5 Series M45 x 1,5 8,6 12,7 60,5 76,2 57,2 41,3 M8 255

Universal Retaining Flange (UF)

K
I
Ø5,5

B F
Ø8,0

D Ø5,5 J

C G

Catalog No./ Part Model A B C D E F G H J

Model Number Ref mm mm mm mm mm mm mm mm

UF M10 x 1 U16363189 TK 10M(B)/TK21M M10 x 1 38,0 12,0 6,0 6,25 25,5 25 12,5 5

Note: All dimensions in millimeters.

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Non-Adjustable Series Hydraulic Shock Absorbers STH
TK Micro-Bore Series, STH Series
Typical Applications

Non-Adjustable Series
Packaging

Mecical Devices

High Speed Automation

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ECO Non-Adjustable Series Hydraulic Shock Absorbers
ECO Series
Overview
Non-Adjustable Series

ECO Series

RoHS
COMPLIANT

ITT Enidine’s New ECO Series non-adjustable hydraulic shock absorbers can accommodate varying energy conditions. This family
of tamperproof shock absorbers provides consistent performance, cycle after cycle. Non-adjustable models are designed to absorb
maximum energy within a compact envelope size.

The New ECO Series was designed using materials and fluids that are safe for our environment. Models can accommodate a
wide range of operating conditions with varying masses or propelling forces. The New ECO Series offers a flexible design to
accomodate a wide variety of application parameters. Whether your application has a low velocity/high drive force or high
velocity/low drive force condition, the New ECO Series will deliver the performance that you have come to expect.

Features and Benefits

• Extensive non-adjustable product line offers • Tamperproof design ensures repeatable performance.
flexibility in both size and energy absorption capacity
to fulfill a wide range of application requirements.
• Threaded cylinders provide mounting flexibility
and increase surface area for improved heat dissipation.
• Environmentally friendly materials:
- RoHS Compliant materials
• Wrench flats promote ease of mounting
- Bio-degradable hydraulic oil
- Recyclable packaging materials
• Capability to mount into pressure chambers

• Introducing our new Enicote II surface finish:

• Integrated positive stopping capabilities up
- RoHS Compliant
to 7 bar.
- Rated at 350 hours salt spray corrosion protection
• Special materials and finishes can be designed to
• Jam Nut included with every shock absorber. meet specific customer requirements

- Optional fluids and seal packages can expand the

• ISO quality standards result in reliable,
standard operating temperature range from
long-life operation.
(–10°C to 80°C) to (–35°C to 100°C).
- Food grade options available

• Custom orificed (CBECO) can be engineered to

meet specific application requirements or emergency
impact only requirements.

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Non-Adjustable Series Hydraulic Shock Absorbers ECO
ECO Series
Overview
ITT Enidine Non-Adjustable Multiple Orifice Shock Absorbers

Non-Adjustable Series
Cylinder

Piston Rod
Check Ring
Piston Head
Bearing
Orifice Hole Location

Foam Accumulator
Oil
Coil Spring

Shock Tube

Curve A
Curve B

Self-compensating damping maintains acceptable deceleration with conventional type damping characteristics. Self-compensating
shock absorbers operate over a wide range of weights and velocities. These shock absorbers are well suited for high drive force,
low velocity applications, and where energy conditions may change. Curve A shows the shock force vs. stroke curve of a
self-compensating shock absorber impacted with a low velocity and high drive force. Curve B shows the shock force vs. stroke
curve of a self-compensating shock absorber impacted with a high velocity and low drive force.

The design of a multi-orifice shock absorber features a As the piston head moves it closes off orifice holes, thus
double cylinder arrangement with space between the reducing the available orifice area in proportion to the velocity.
concentric shock tube and cylinder, and a series of orifice After the load is removed the coil spring pushes the piston rod
holes drilled down the length of the shock tube wall. outward. This unseats the check ring and permits the oil to flow
from the accumulator and across the piston head, back into the
During piston movement, the check ring is seated and oil
shock tube. This allows quick repositioning for the next impact.
is forced through the orifices in the shock tube wall, into the
closed cellular foam accumulator and behind the piston head. Low Pressure multiple orifice shock absorbers can provide
progressive or self-compensating damping, depending on the
impact conditions.

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ECO Non-Adjustable Series Hydraulic Shock Absorbers
ECO Series
Technical Data
Standard
Non-Adjustable Series

ECO 8 ➞ ECO 100 Series

ØD

ØG ØE1*

J
WL C
H WF
F
A
A1*

*Note: A1 and E1 apply to button models and urethane striker cap accessory. One Hex Jam Nut included with every shock absorber.

(ETE) (FP) Nominal Coil Spring Force (FD)

(S) (ET) Emergency (ETC) Max. Max.
Catalog No./ Stroke Max. Max. Max. Reaction Extended Compressed Propelling Mass
Model mm Nm/cycle Nm/cycle* Nm/h N N N N g
ECO 8 (B) 6,4 4,0 – 6 215 890 2,7 5,6 200 16
ECO 10 (B) 7,0 7,0 – 13 640 1 600 2,2 4,5 350 28
ECO 15 (B) 10,4 12,0 25 31 020 2 000 3,0 7,0 220 56
ECO S 25 (B) 12,7 24,0 44 37 400 2 800 4,5 11,0 890 68
ECO 25 (B) 16,0 30,0 56 44 000 2 800 4,5 11,0 890 68
ECO S 50 (B) 12,7 32,0 63 49 720 3 750 6,0 15,0 1 600 69
ECO 50 (B) 22,0 62,0 110 59 070 3 750 8,9 30,0 1 600 136
ECO 100 (B) 25,0 105,0 250 77 000 5 500 13,0 27,0 2 200 297
*Note: Maximum energy rating for emergency use only. Estimated cycle life of 1-5 cycles if used at maximum emergency rating.

Catalog No./ Damping A A1 C D E1 F G H J WF WL

Model Constant mm mm mm mm mm mm mm mm mm mm mm
ECO 8 IF (B) -1,-2,-3
ECO 8 MF (B) -1,-2,-3 M8 x 0,75
47,0 57,0 M8 x 1,0 2,5 6,8 40,9 6,6 4,6 2,5 – –
ECO 8 MC (B) -1,-2,-3
ECO 10 MF (B) -1,-2,-3 54,0 64,0 M10 x 1,0 3,0 8,6 46,5 8,6 4,6 3,3 – –
ECO 15 MF(B) -1,-2,-3,-4 62,2 72,4 M12 x 1,0 3,0 10,2 52,1 9,9 6,9 2,5 11,0 9,5
ECO S 25 MF (B) -1,-2,-3 M14 x 1,0
82,7 92,2 4,0 11,2 69,5 10,9 5,1 1,0 12,0 12,7
ECO S 25 MC (B) -1,-2,-3 M14 x 1,5
ECO 25 MF (B) -1,-2,-3,-4 M14 x 1,0
97,5 107,2 4,0 11,2 81,3 10,9 7,6 1,0 12,0 12,7
ECO 25 MC (B) -1,-2,-3,-4 M14 x 1,5
ECO S 50 MC (B) -1,-2,-3 87,9 99,9 M20 x 1,5 4,8 12,7 74,4 16,3 7,6 1,0 18,0 12,7
ECO 50 MC (B) -1,-2,-3,-4 118,4 130,3 M20 x 1,5 4,8 12,7 95,5 16,3 7,6 1,0 18,0 12,7
ECO 100 MF (B) -1,-2,-3,-4 M25 x 1,5
128,8 141,5 6,4 15,7 102,6 22,0 12,7 4,6 23,0 12,7
ECO 100 MC (B) -1,-2,-3,-4 M27 x 3,0
Note: 1. See page 54-55 for constant damping curves.

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Non-Adjustable Series Hydraulic Shock Absorbers ECO
ECO Series
ECO 8 ➞ ECO 100 Series Accessories

Non-Adjustable Series
Jam Nut (JN)
*Note: One Hex Jam Nut included with every shock absorber.

JA

JB

JH

Catalog No./ ECO Series JA JB JH Mass

Model Part Number Model (Ref) mm mm mm g
JN M8 x 0,75 J223839185 ECO 8 MF (B) 14,0 12,0 4,0 2
JN M8 x 1 J223839035 ECO 8 MC (B) 14,0 12,0 4,0 2
JN M10 x 1 J223840167 ECO 10 MF (B) 15,0 13,0 3,2 2
JN M12 x 1 J223841035 ECO 15 M (B) 15,0 13,0 3,2 2
JN M14 x 1 J223842035 ECO S/ECO 25 MF (B) 19,7 17,0 4,0 3
JN M14 x 1,5 J223842165 ECO S/ECO 25 MC (B) 19,7 17,0 4,0 3
JN M20 x 1,5 J223844035 ECO S/ECO 50 MC (B) 27,7 24,0 4,6 7
JN M25 x 1,5 J223846035 ECO 100 MF (B) 37,0 32,0 4,6 15

Stop Collar (SC)

ECO8 ➞ ECO100

HEX JAM NUT

INCLUDED WITH WF
SHOCK ABSORBER

ØCD

WL
CA

Catalog No./ ECO Series CA CB CD WF WL Mass

Model Part Number Model (Ref) mm mm mm mm mm g
SC M8 x 0,75 M923839175 ECO 8 MF (B) 19,0 12,0 14,0 – – 23
SC M8 x 1 M923839058 ECO 8 MC (B) 19,0 12,0 14,0 – – 23
SC M10 x 1 M923840171 ECO 10 MF (B) 19,0 – 14,0 – – 11
SC M12 x 1 M923841058 ECO 15 M (B) 19,0 – 16,0 14,0 9,0 14
SC M14 x 1,5 M923842171 ECO S/ECO 25 MF (B) 25,4 – 21,0 19,0 12,0 38
SC M14 x 1 M923842058 ECO S/ECO 25 MF (B) 25,4 – 19,0 17,0 12,0 20
SC M20 x 1,5 M924057058 ECO S/ECO 50 M (B) 38,0 – 25,0 22,0 12,0 63
SC M25 x 1,5 M923846171 ECO 100 MF (B) 44,5 – 38,0 32,0 15,0 215

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ECO Non-Adjustable Series Hydraulic Shock Absorbers
ECO Series
ECO 8 ➞ ECO 100 Series Accessories
Side Load Adaptor (SLA)
Non-Adjustable Series

WF E
ØS
C

ØD

WL
HEX JAM NUT A B STROKE
(NOT INCLUDED)

Catalog No./ ECO Series Model (Ref) Stroke A B C D E S WF WL

Model Part Number mm mm mm mm mm mm mm mm mm
SLA 10 MF SLA 33457 ECO 10 MF 6,4 11 12 M10 x 1 5,0 21,9 13,0 11,0 4,0
SLA 12 MF SLA 33299 ECO 15 MF 10,0 14 18 M12 x 1 6,0 32,4 14,0 13,0 7,0
SLA 14 MF SLA 33297 ECO 25 MF 16,0 13 26 M14 x 1 8,0 45,2 18,0 15,0 7,0
SLA 14 MC SLA 33298 ECO 25 MC 12,7 13 26 M14 x 1,5 8,0 45,2 18,0 15,0 7,0
SLA 14 MFS SLA 33306 ECO S 25 MF 12,7 16 20 M14 x 1 8,0 39,2 18,0 15,0 7,0
SLA 14 MCS SLA 33301 ECO S 25 MC 12,7 16 20 M14 x 1,5 8,0 39,2 18,0 15,0 7,0
SLA 20 MC SLA 33302 ECO 50 M 22,0 17 32 M20 x 1,5 11,0 62,0 25,0 22,0 7,0
SLA 20 MCS SLA 33262 ECO S 50 M 12,7 14 24 M20 x 1,5 11,0 41,5 25,0 22,0 7,0
SLA 25 MF SLA 33263 ECO 100 MF 25,4 30 38 M25 x 1,5 15,0 73,2 36,0 32,0 7,0
SLA 25 MC SLA 33296 ECO 100 MC 25,4 30 38 M27 x 3 15,0 73,2 36,0 32,0 10,0
Notes: 1. Maximum sideload angle is 30°.
2. Part numbers in page color are non-standard lead time items, contact ITT Enidine.

Universal Retaining Flange (UF)

UF M10 x 1 ➞ UF M14 x 1,5 UF M20 x 1,5 ➞ UF M27 x 3
K
Ø4,5

Ø5,5
A
A

B F B F
Ø(8,0) Ø8,0

E E
D 0,5 H D J
Ø4,5 Ø5,5
G G
C

Catalog No./ ECO Series Model (Ref) A B C D E F G H I J K

Model Part Number mm mm mm mm mm mm mm mm mm mm mm
UF M10 x 1 U16363189 ECO 10M M10 x 1 38,0 12,0 6,0 6,25 25,5 25,0 12,5 – 5,0 –
UF M12 x 1 U15588189 ECO 15 M (B) M12 x 1 38,0 12,0 6,0 6,25 25,5 25,0 12,5 – 5,0 –
UF M14 x 1 U14950189 ECO/ECO S 25 MF (B) M14 x 1,5 45,0 16,0 8,0 5,0 35,0 30,0 15,0 – 5,0 –
UF M14 x 1,5 U13935143 ECO/ECO S 25 MC (B) M14 x 1,5 45,0 16,0 8,0 5,0 35,0 30,0 15,0 – 5,0 –
UF M20x 1,5 U12646143 ECO/ECO S 50 MC (B) M20 x 1,5 48,0 16,0 8,0 6,5 35,0 35,0 – 4,75 10,0 25,5
UF M25 x 1,5 U13004143 ECO 100/110M M25 x 1,5 48,0 16,0 8,0 6,5 35,0 35,0 – 4,75 10,0 25,5
UF M27 x 3 U12587143 ECO 100 MC M27 X 3 48,0 16,0 8,0 6,5 35,0 35,0 – 4,75 10,0 25,5
Note: Part numbers in page color are non-standard lead time items, contact ITT Enidine.

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Non-Adjustable Series Hydraulic Shock Absorbers ECO
ECO Series
PRO 110 ➞ ECO 225 Series Technical Data
Standard

Non-Adjustable Series
ØD

ØE ØE1*

WL C J WF
F
A

A1*

*Note: A1 and E1 apply to button models and urethane striker cap accessory.

(ETE) (FP) Nominal Coil Spring Force (FD)

(S) (ET) Emergency (ETC) Max. Max.
Catalog No./ Stroke Max. Max. Max. Reaction Extended Compressed Propelling Mass
Model mm Nm/cycle Nm/cycle Nm/h N N N N g
**PRO 110 MF (B) 40,0 190,0 – 75 700 7 500 18,0 49,0 2 200 454
**PRO 110 MC (B) 40,0 190,0 – 75 700 7 500 18,0 49,0 2 200 454
ECO 120 MF (B) 25,0 185,0 500 84 000 11 120 56,0 89,0 3 100 482
ECO 125 MF (B) 25,0 185,0 500 104 000 11 120 56,0 89,0 3 100 595
ECO 220 MF (B) 50,0 350,0 1 000 103 000 11 120 31,0 89,0 3 100 652
ECO 225 MF (B) 50,0 350,0 1 000 127 000 11 120 31,0 89,0 3 100 765
*Note: Maximum energy rating for emergency use only. Estimated cycle life of 1-5 cycles if used at maximum emergency rating.
**The PRO 110 Model is a Nickel Plated Shock Absorber.

Catalog No./ Damping A A1 C D E E1 F J WF WL

Model Constant mm mm mm mm mm mm mm mm mm mm
**PRO 110 MF (B) -1,-2,-3 201,4 204,7 M25 x 1,5 8,0 22,2 22,2 127,0 1,5 – –
**PRO 110 MC (B) -1,-2,-3 201,4 204,7 M25 x 2,0 8,0 22,2 22,2 127,0 1,5 – –
ECO 120MF (B) -1,-2,-3 140,2 145,3 M33 x 1,5 9,5 29,0 30,5 87,0 5,3 30,0 16,0
ECO 125 MF (B) -1,-2,-3 140,2 145,3 M36 x 1,5 9,5 29,0 30,5 87,0 5,3 33,0 16,0
ECO 220 MF (B) -1,-2,-3 207,0 212,0 M33 x 1,5 9,5 29,0 30,5 128,0 5,3 30,0 16,0
ECO 225 MF (B) -1,-2,-3 207,0 212,0 M36 x 1,5 9,5 29,0 30,5 128,0 5,3 33,0 16,0
Notes: 1. Dash numbers in page color are non-standard lead time items, contact ITT Enidine.
2. See page 55 for constant damping curves.

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ECO Non-Adjustable Series Hydraulic Shock Absorbers
ECO Series
ECO 120 ➞ ECO 225 Series Accessories
HEX JAM NUT
Non-Adjustable Series

Clevis Mount (NOT INCLUDED)

SPRING OPTIONAL
ØS ØU
ØN ØM

CR
X V
P Q
W
L

Catalog No./ M N P Q
Model L +.005/-.000 +.005/-.000 +.000/-.010 +.000/-.010 S U V W X CR Mass
mm mm mm mm mm mm mm mm mm mm mm Kg

ECO 120 CM (S) 167 6,38 6,38 12,70 12,70 38 23 6 12 6,1 11,2 0,59
ECO 220 CM (S) 234 6,38 6,38 12,70 12,70 38 23 6 12 6,1 11,2 0,77
ECO 125 CM (S) 180 6,38 6,38 12,70 12,70 38 22 6 24 6,0 11,2 0,73
ECO 225 CM (S) 230 6,38 6,38 12,70 12,70 38 22 6 24 6,0 11,2 0,86
Note: (S) indicates model comes with spring.

Flange Foot Mount

ØFC
FD
FG
FE

FB FK
FJ Y + STROKE Z + STROKE
FA

Bolt Kit
Catalog No./ Y Z FA FB FC FD FE FG FJ FK Size Mass
Model Part Number Model (Ref) mm mm mm mm mm mm mm mm mm mm mm g
FM M33 x 1,5 2F21049306 ECO 120/220M 57,2 31,8 70,0 60,3 5,90 45,0 12,7 22,7 6,4 22,2 M5 100
FM M36 x 1,5 2F21293306 ECO 125/225M 57,2 31,8 70,0 60,3 5,90 45,0 12,7 22,7 6,4 22,2 M5 100
Notes: 1. Shock absorber must be ordered separately from foot mount kit.
2. All foot mount kits include two foot mounts.

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Non-Adjustable Series Hydraulic Shock Absorbers ECO
ECO Series
ECO 120 ➞ ECO 225 Series Accessories

Non-Adjustable Series
Stop Collar (SC)

Metric
WF

ØCD

HEX JAM NUT WL

(NOT INCLUDED) CA

Catalog No./ CA CD WF WL Mass

Model Part Number Model (Ref) mm mm mm mm g
SC M33 x 1,5 M923865058 ECO 120/220 M 41,0 38,0 36,0 17,0 210
SC M36 x 1,5 M924063058 ECO 120/220 M 63,5 43,0 41,0 18,0 210

Jam Nut (JN)

JA

JB

JH

Catalog No./ JA JB JH Mass

Model Part Number Model (Ref) mm mm mm g
JN M33 x 1,5 J224061035 ECO 120/220 M 47,3 41,0 6,4 27
JN M36 x 1,5 J224063035 ECO 125/225 M 47,3 41,0 6,4 27

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ECO Non-Adjustable Series Hydraulic Shock Absorbers
ECO Series
ECO 120 ➞ ECO 225 Series Overview
Non-Adjustable Series

Urethane Striker Cap (USC)

ØE

Catalog No./ Part Number Model (Ref) A E1 Mass

Model mm mm g
UC 8609 C98609079 ECO 120, 125, 220 & 225 10,0 30,5 3

Rectangular Flange (RF)

LOCK
ØFC SLOT

SB

RD FH
RE

Bolt
Catalog No./ FC FH RD RE SA SB Size Mass
Model Part Number Model (Ref) mm mm mm mm mm mm mm g
RF M33 x 1,5 N121049141 ECO 120/ 220M 5,5 9,5 41,3 50,8 44,5 28,6 M5 30
RF M36 x 1,5 N121293129 ECO 125/225M 5,5 9,5 41,3 58,8 44,5 28,6 M5 30

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Non-Adjustable Series Hydraulic Shock Absorbers ECO
ECO Series
ECO 8 ➞ ECO S50 Series Sizing Curves

Non-Adjustable Series

Note: Minimum impact velocity for ECO models is 0,1 m/sec

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ECO Non-Adjustable Series Hydraulic Shock Absorbers
ECO Series
ECO 50 ➞ ECO 225 Series Sizing Curves
Non-Adjustable Series

Note: Minimum impact velocity for ECO models is 0,1 m/sec

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Non-Adjustable Series Hydraulic Shock Absorbers ECO
ECO Series
Typical Applications

Non-Adjustable Series
Factory Automation

Medical Laboratory Equipment

Bottle Manufacturing

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PM Non-Adjustable Series Hydraulic Shock Absorbers
XT PMXT Mid-Bore Series
Overview
Non-Adjustable Series

PMXT 1525/2150
Mid-Bore Series

ITT Enidine non-adjustable hydraulic shock absorbers can accommodate varying energy conditions. This family of
tamperproof shock absorbers provides consistent performance, cycle after cycle. Non-adjustable models are designed
to absorb maximum energy within a compact envelope size.

The PMXT Series uses a self-compensating design to provide energy absorption in low velocity and high drive force
applications. Models can accommodate a wide range of operating conditions with varying masses or propelling forces.

Features and Benefits

• Extensive non-adjustable product line offers flexibility in • Threaded cylinders provide mounting
both size and energy absorption capacity to fulfill a wide flexibility and increase surface area for
range of application requirements. improved heat dissipation.

• Tamperproof design ensures repeatable performance. • A select variety of surface finishes maintains
original quality appearance and provides the
longest corrosion resistance protection.
• Special materials and finishes can be designed to meet
specific customer requirements.
• ISO quality standards result in reliable,
• Incorporating optional fluids and seal packages can long-life operation.
expand the standard operating temperature range
from (–10°C to 80°C) to (–35°C to 100°C).

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Non-Adjustable Series Hydraulic Shock Absorbers PM
XT
PMXT Mid-Bore Series
Overview

Non-Adjustable Series
ITT Enidine Non-Adjustable Multiple Orifice Shock Absorbers

Check Ring
Cylinder

Piston Head
Piston Rod
Oil

Coil Spring Orifice Hole Location

Foam Accumulator

Bearing

Shock Tube

Curve A
Curve B

Self-compensating damping maintains acceptable deceleration with conventional type damping characteristics. Self-compensating
shock absorbers operate over a wide range of weights and velocities. These shock absorbers are well suited for high drive force,
low velocity applications, and where energy conditions may change. Curve A shows the shock force vs. stroke curve of a
self-compensating shock absorber impacted with a low velocity and high drive force. Curve B shows the shock force vs. stroke
curve of a self-compensating shock absorber impacted with a high velocity and low drive force.

The design of a multi-orifice shock absorber features a As the piston head moves it closes off orifice holes, thus
double cylinder arrangement with space between the reducing the available orifice area in proportion to the velocity.
concentric shock tube and cylinder, and a series of orifice After the load is removed the coil spring pushes the piston rod
holes drilled down the length of the shock tube wall. outward. This unseats the check ring and permits the oil to flow
from the accumulator and across the piston head, back into the
During piston movement, the check ring is seated and oil
shock tube. This allows quick repositioning for the next impact.
is forced through the orifices in the shock tube wall, into the
closed cellular foam accumulator and behind the piston head. Low Pressure multiple orifice shock absorbers can provide
progressive or self-compensating damping, depending on the
impact conditions.

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PM Non-Adjustable Series Hydraulic Shock Absorbers
XT PMXT Mid-Bore Series
PMXT 1525 ➞ PMXT 2150 Series Technical Data
Non-Adjustable Series

Standard

ØB
WL

ØE ØE1*

C ØD
F WF
A
A1*

*Note: A1 and E1 apply to urethane striker cap accessory.

(FP) Nominal Coil Spring Force (FD)

Catalog No./ (S) (ET) (ETC) Max. Max.
Model Stroke Max. Max. Reaction Extended Compressed Propelling Mass
mm Nm/cycle Nm/h N N N N Kg
PMXT 1525 25,0 367,0 126 000 29 000 48,0 68,0 6 700 1,0
PMXT 1550 50,0 735,0 167 000 29 000 29,0 78,0 6 700 1,1
PMXT 1575 75,0 1 130,0 201 000 29 000 31,0 78,0 6 700 1,3
PMXT 2050 50,0 1 865,0 271 000 60 500 80,0 155,0 17 800 2,7
PMXT 2100 100,0 3 729,0 362 000 60 500 69,0 160,0 17 800 3,3
PMXT 2150 150,0 5 650,0 421 000 60 500 87,0 285,0 17 800 4,2

Catalog No./ Damping A A1 C D E E1 F WF WL

Model Constant mm mm mm mm mm mm mm mm mm

PMXT 1525 IF -1,-2,-3 5.68 6.37 (IF) 13/4-12 UN .50 1.48 1.75 3.63 1.70 0.75
PMXT 1525 MF -1,-2,-3 (144,0) (162,0) (MF) M45 x 1,5 (12,7) (38,0) (44,5) (92,0) (43,5) (19,0)
PMXT 1550 IF -1,-2,-3 7.68 8.37 (IF) 13/4-12 UN .50 1.48 1.75 4.63 1.70 0.75
PMXT 1550 MF -1,-2,-3 (195,0) (213,0) (MF) M45 x 1,5 (12,7) (38,0) (44,5) (118,0) (43,5) (19,0)
PMXT 1575 IF -1,-2,-3 9.68 10.37 (IF) 13/4-12 UN .50 1.48 1.75 5.63 1.70 0.75
PMXT 1575 MF -1,-2,-3 (246,0) (264,0) (MF) M45 x 1,5 (12,7) (38,0) (44,5) (143,0) (43,5) (19,0)
PMXT 2050 IF -1,-2,-3 8.90 9.55 (IF) 2 1/2-12 UN .75 1.98 2.25 5.50 2.42 0.75
PMXT 2050 MF -1,-2,-3 (226,0) (243,0) (MF) M64 x 2,0 (19,0) (50,0) (57,0) (140,0) (61,5) (19,0)
PMXT 2100 IF -1,-2,-3 12.90 13.55 (IF) 2 1/2-12 UN .75 1.98 2.25 7.50 2.42 0.75
PMXT 2100 MF -1,-2,-3 (328,0) (345,0) (MF) M64 x 2,0 (19,0) (50,0) (57,0) (191,0) (61,5) (19,0)
PMXT 2150 IF -1,-2,-3 17.97 18.62 (IF) 2 1/2-12 UN .75 2.38 2.38 9.50 2.42 0.75
PMXT 2150 MF -1,-2,-3 (956,0) (473,0) (MF) M64 x 2,0 (19,0) (60,0) (60,0) (241,0) (61,5) (19,0)
Notes: 1. Dash numbers in page color are non-standard lead time items, contact ITT Enidine.
2. See page 59 for constant damping curves.
3. Urethane striker caps are available as accessories for models PM 1525 to PM 2150.

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Non-Adjustable Series Hydraulic Shock Absorbers PM
XT
PMXT Mid-Bore Series
PMXT 1525 CM ➞ PMXT 2150 CM Series Accessories

Non-Adjustable Series
Clevis Mount

SPRING OPTIONAL
ØT LOCK RING
ØM
ØN

CR
W V Z
P ØS L
Q

M N P Q Z
+.005/-.000 +.005/-.000 +.000/-.010 +.000/-.010 +.020/-.000
Catalog No./ L (+0,13/-0,00) (+0,13/-0,00) (+0,00/-0,25) (+0,00/-0,25) S T U V W (+0,51/-0,00) CR Mass
Model mm mm mm mm mm mm mm mm mm mm mm mm Kg
∆ PMXT 1525 CM (S) 199 9,60 12,7 19,00 25,4 51 25 25 26 22 12,9 14,3 1,36
∆ PMXT 1550 CM (S) 250 9,60 12,70 19,00 25,4 51 25 25 26 22 12,9 14,3 1,45
∆ PMXT 1575 CM (S) 300 9,60 12,70 19,00 25,4 51 25 25 26 22 12,9 14,3 1,63
∆ PMXT 2050 CM (S) 306 19,07 19,07 31,70 38,0 73 38 38 35 26 16,0 23,0 3,72
∆ PMXT 2100 CM (S) 408 19,07 19,07 31,70 38,0 73 38 38 35 26 16,0 23,0 4,22
∆ PMXT 2150 CM (S) 537 19,07 19,07 31,70 38,0 73 38 38 35 26 16,0 23,0 5,08
Notes: 1. ∆ = Non-standard lead time items, contact ITT Enidine.
2. (S) indicates model comes with spring.

Flange Foot Mount

LOCK RING

ØFC
4 MOUNTING HOLES
FD
FG
FE

FB FJ Y + STROKE Z + STROKE
FA

Bolt Kit
Catalog No./ Part Number Model (Ref) Y Z FA FB FC FD FE FG FJ Size Mass Notes
Model mm mm mm mm mm mm mm mm mm mm g
FM M45 x 1,5 2F8637 PMXT 1500M Series 60,5 26,9 95,3 76,2 8,60 55,0 12,7 29,5 9,7 M8 370 3
FM M64 x 2 2F3010 PMXT 2000M Series 76,2 39,6 143,0 124,0 10,40 85,6 16,0 44,5 11,2 M10 1 050 1,3
Notes: 1. PM 2150 Z dimension is 2.69 in.
2. Shock absorber must be ordered separately from foot mount kit.
3. All foot mount kits include two foot mounts and lock ring.

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PM Non-Adjustable Series Hydraulic Shock Absorbers
XT PMXT Mid-Bore Series
PMXT 1525M ➞ PMXT 2150M Series Accessories
Non-Adjustable Series

Stop Collar (SC)

ØCD

LOCK RING
(NOT INCLUDED) CA

Catalog No./ Part Model CA CD Mass

Model Number Ref mm mm g
SC M45 x 1.5 8K8637 PMXT 1500M Series 49,0 56,5 340
∆ SC M64 x 2 x 2 M93010057 PMXT 2050M Series 89,0 76,0 936
∆ SC M64 x 2 x 4 M93011057 PMXT 2100M Series 114,0 76,0 1 191
∆ SC M64 x 2 x 6 M93012057 PMXT 2150M Series 143,0 76,0 1 475
Note: ∆ = Non-standard lead time items, contact ITT Enidine.

Urethane Striker Cap (USC)

ØE1

Catalog No./ Part Model A E1 Mass

Model Number Ref mm mm g
UC 2940 C92940079 PMXT 1500M 24,5 44,5 14
UC 3010 C93010079 PMXT 2000M 24,0 57,0 23

Lock Ring (LR)

ØB LH

Catalog No./ Part Model B LH Mass

Model Number Ref mm mm g
LR M45 x 1.5 F88637049 PMXT 1500M Series 57,2 9,5 75
LR M64 x 2 F83010049 PMXT 2000M Series 72,9 12,7 85

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 PM
Non-Adjustable Series Hydraulic Shock Absorbers
XT
PMXT Mid-Bore Series
PMXT 1525M ➞ PMXT 2150M Series Accessories

Non-Adjustable Series
Square Flange (SF)
LOCK
SLOT
ØFC

SB FH

SA

Bolt
Catalog No./ Part Model FC FH SA SB Size Mass
Model Number Ref mm mm mm mm mm g
SF M45 x 1.5 M48637129 PMXT 1500M Series 8,6 12,7 57,2 41,1 M8 140
SF M64 x 2 M43010141 PMXT 2000M Series 10,4 15,7 89 69,9 M10 570

Rectangular Flange (RF)

LOCK
ØFC SET

SA SB

RD FH
RE

Bolt
Catalog No./ Part Model FC FH RD RE SA SB Size Mass
Model Number Ref mm mm mm mm mm mm mm g
RF M45 x 1.5 M58637129 PMXT 1500M Series 8,6 12,7 60,5 76,2 57,2 41,4 M8 260

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PM Non-Adjustable Series Hydraulic Shock Absorbers
XT PMXT Mid-Bore Series
PM 120/125 ➞ PMXT 2150 Series Sizing Curves
Non-Adjustable Series

Note: Minimum impact velocity for PM models is 0,1 m/sec

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 PM
Non-Adjustable Series Hydraulic Shock Absorbers
XT
PMXT Mid-Bore Series
Typical Applications

Non-Adjustable Series
Automated Handling

Conveyor Systems

Robotics

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A4-Metric-6:Project1-A4-Metric 6/22/23 1:35 PM Page 65

HDN Heavy Duty Shock Absorbers

HDA HDN, HDA Series
Overview

ITT Enidine Heavy Duty Series large-bore hydraulic shock absorbers protect equipment from large impacts in
Heavy Duty Series

applications such as automated storage and retrieval systems, as well as overhead bridge and trolley cranes.
They are available in a wide variety of stroke lengths and damping characteristics to increase equipment life
and meet stringent deceleration requirements.

HDN Series
Custom-orificed design accommodates specified damping requirements. Computer generated output performance
simulation is used to optimize the orifice configuration. Available in standard bore dimensions of up to 100mm and
strokes over 1 524mm.

HDA Series
Adjustable units enable the user to modify shock absorber resistance to accommodate load velocity variations, with
strokes up to 305mm. Standard adjustable configurations available.

HDN Series

Features and Benefits HDN, HDA

• Designed with environmentally friendly materials and fluids.

• Compact design smoothly and safely
decelerates large energy capacity loads
up to 330 000 Nm.
• Internal charged air/oil accumulator
replaces mechanical return springs, providing
shorter overall length and reduced weight. Piston Rod
Optional Bladder Accumulator (BA) for
higher cycle rates also available. Cylinder
• Engineered to meet OSHA, AISE, CMAA Bearing
and other safety specifications such Oil Orifice Holes
as DIN and FEM.
• Wide variety of optional configurations
including bellows, clevis mounts and
safety cables.
• Zinc plated external components provide Piston Head
excellent corrosion protection. Check Ring
• Epoxy painting and special rod materials are available Shock Tube
for use in highly corrosive environments.
• All sizes are fully field repairable.
• Piston rod extension sensor systems
available for re-use safety requirements.
• Incorporating optional fluids and seal packages can
expand standard operating temperature range from
–10°C to 60°C to –40°C to 100°C.

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Heavy Duty Shock Absorbers HDN
HDN 1.5 Series HDA
HDN 1.5 x 2 ➞ HDN 1.5 x 32 Series Technical Data

Heavy Duty Series

120
A F 20
90 ø14
ø32
CP
FP ø1 5
15 121

61
32

16
140
ø9 0
165
Y
ø2 8

ø5 0

** HDN w/o BA option contains only a single charge/fill port.

* Denotes Shock Absorber Bladder Accumulator Option.
Dimensions are in millimeters. Note: For TF, FF and FR mounting, delete front foot and dimensions.

(FP) Nominal Nominal With BA CP**

(S) (ET) (ETC) Max. Return Force Return Force CP FP w/o
Catalog No./ Stroke Max. Max. Shock Force BA* w/o BA* A F Y Z BA* BA* BA* Mass
Model mm Nm/cycle Nm/hr N N N mm mm mm mm mm mm mm Kg

HDN 1.5 x 2 50 3 200 189 000 70 060 220 320 310 208 240 86 139 86 41 10
HDN 1.5 x 4 100 6 100 368 000 70 060 220 410 410 258 290 136 139 86 41 12
HDN 1.5 x 6 150 9 100 546 700 70 060 220 450 510 308 340 186 139 86 41 12
HDN 1.5 x 8 200 12 200 732 500 70 060 220 525 613 360 392 237 139 86 41 13
HDN 1.5 x 10 250 15 200 781 000 70 060 220 600 715 411 443 288 139 86 41 14
HDN 1.5 x 12 300 18 300 877 900 70 060 220 920 817 462 494 339 139 86 41 16
HDN 1.5 x 14 350 20 900 972 900 70 060 220 1 120 918 512 544 390 139 86 41 17
HDN 1.5 x 16 400 23 300 1 069 800 60 060 220 1 120 1 019 563 595 440 139 86 41 18
HDN 1.5 x 18 450 25 300 1 166 700 47 820 220 1 120 1 121 614 646 491 139 86 41 19
HDN 1.5 x 20 500 27 200 1 263 600 38 920 220 1 120 1 223 665 697 542 139 86 41 20
HDN 1.5 x 24 600 30 500 1 457 400 27 800 220 1 120 1 427 767 799 644 139 86 41 23
HDN 1.5 x 28 713 33 600 1 649 300 21 130 220 1 120 1 629 868 900 745 139 86 41 25
HDN 1.5 x 32 813 36 500 1 839 300 16 460 220 1 120 1 830 968 1 000 846 139 86 41 28
Notes: 1. HDN shock absorbers will function satisfactorily at 5% of their maximum rated energy per cycle. If less than these values, a smaller model should be specified.
2. It is recommended that the customer consult ITT Enidine for safety-related overhead crane applications.
3. The energy data listed is for ideal linear impacts only. If side load conditions exist in the application, contact ITT Enidine for sizing assistance.
4. Rear flange mounting of 300 mm strokes and longer not recommended. Front and rear flange or foot mount configurations are recommended.
5. Maximum cycle rate is 60 cycles/hr. for HDN with BA (Bladder Accumulator) option and 30 cycles/hr. without BA option.
6. For impact velocities over 4.5 m/s, consult factory.

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HDN
HD Heavy Duty Series Shock Absorber
HDA HDN 2.0 Series
HDN 2.0 x 6 ➞ HDN 2.0 x 56 Series Technical Data
Heavy Duty Series

140
A F 25
111 ø17
ø3 2
CP
FP ø1 7
15
146
76
40
20
178
ø1 1 0
220
ø4 0 Y

ø6 0

** HDN w/o BA option contains only a single charge/fill port.

* Denotes Shock Absorber Bladder Accumulator Option.
Dimensions are in millimeters. Note: For TF, FF and FR mounting, delete front foot and dimensions.
With BA
(FP) Nominal Nominal CP**
(S) (ET) (ETC) Max. Return Force Return Force CP FP w/o
Catalog No./ Stroke Max. Max. Shock Force BA* w/o BA* A F Y Z BA* BA* BA* Mass
Model mm Nm/cycle Nm/hr N N N mm mm mm mm mm mm mm Kg

HDN 2.0 x 6 152 14 400 862 100 111 200 535 870 553 339 379 194 176 96 46 19
HDN 2.0 x 8 203 19 200 913 700 111 200 535 1 040 655 390 430 245 176 96 46 20
HDN 2.0 x 10 250 24 000 1 033 200 111 200 535 1 340 757 441 481 296 176 96 46 23
HDN 2.0 x 12 300 28 600 1 152 700 111 200 535 2 290 859 492 532 347 176 96 46 25
HDN 2.0 x 14 350 32 300 1 272 100 111 200 535 2 290 960 543 583 397 176 96 46 27
HDN 2.0 x 16 400 36 000 1 391 600 111 200 535 2 290 1 062 594 634 448 176 96 46 29
HDN 2.0 x 18 450 39 700 1 511 100 111 200 535 2 290 1 164 645 685 499 176 96 46 31
HDN 2.0 x 20 500 43 300 1 628 300 111 200 535 2 290 1 265 695 735 550 176 96 46 33
HDN 2.0 x 24 600 50 700 1 867 200 111 200 535 2 290 1 469 797 837 652 176 96 46 36
HDN 2.0 x 28 700 58 200 2 106 200 111 200 535 2 290 1 672 899 939 753 176 96 46 42
HDN 2.0 x 32 800 70 700 2 527 900 111 200 535 2 290 1 953 1 079 1 119 854 256 176 46 49
HDN 2.0 x 36 900 77 900 2 762 200 100 000 535 2 290 2 151 1 179 1 219 952 256 176 46 53
HDN 2.0 x 40 1 000 84 400 2 996 500 84 500 535 2 290 2 351 1 279 1 319 1 052 256 176 46 56
HDN 2.0 x 48 1 200 95 400 3 465 000 60 000 535 2 290 2 751 1 479 1 519 1 252 256 176 46 64
HDN 2.0 x 56 1 400 104 200 3 957 000 35 100 535 2 290 3 171 1 689 1 729 1 462 975 176 46 73
Notes: 1. HDN shock absorbers will function satisfactorily at 5% of their maximum rated energy per cycle. If less than these values, a smaller model should be specified.
2. It is recommended that the customer consult ITT Enidine for safety-related overhead crane applications.
3. The energy data listed is for ideal linear impacts only. If side load conditions exist in the application, contact ITT Enidine for sizing assistance.
4. Rear flange mounting of 300 mm strokes and longer not recommended. Front and rear flange or foot mount configurations are recommended.
5. Maximum cycle rate is 60 cycles/hr. for HDN with BA (Bladder Accumulator) option and 30 cycles/hr. without BA option.
6. For impact velocities over 4.5 m/s, consult factory.
7. ** HDN 2.0 x 56 has two charge ports.

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Heavy Duty Series Shock Absorber HDN
HDN 3.0 Series HDA

HDN 3.0 x 2 ➞ HDN 3.0 x 60 Series

Technical Data

Heavy Duty Series

170
A F 25
125
ø22
ø32
CP
FP ø2 2
15 173

88
50

25
216
ø1 3 0
255
ø4 5 Y

ø7 0

** HDN w/o BA option contains only a single charge/fill port.

* Denotes Shock Absorber Bladder Accumulator Option.
Dimensions are in millimeters. Note: For TF, FF and FR mounting, delete front foot and dimensions.

(FP) Nominal Nominal CP**

(S) (ET) (ETC) Max. Inital Return Force Return Force CP FP w/o
Catalog No./ Stroke Max. Max. Shock Force BA* w/o BA* A F Y Z BA* BA* BA* Mass
Model mm Nm/cycle Nm/hr N N N (mm) (mm) (mm) (mm) mm mm mm Kg

HDN 3.0 x 2 50 9 600 578 500 222 400 670 1 130 336 203 253 108 128 61 46 21
HDN 3.0 x 3 75 14 600 659 000 222 400 710 1 810 387 229 279 133 128 61 46 22
HDN 3.0 x 5 125 24 200 805 700 222 400 735 2 895 489 280 330 184 128 61 46 25
HDN 3.0 x 8 200 35 700 1 021 500 222 400 755 2 895 640 355 405 260 128 61 46 29
HDN 3.0 x 10 250 43 200 1 168 300 222 400 780 2 895 742 406 456 311 128 61 46 32
HDN 3.0 x 12 300 50 700 1 315 000 222 400 780 2 895 844 457 507 362 128 61 46 35
HDN 3.0 x 14 350 62 900 1 605 700 222 400 800 2 895 995 558 608 412 178 111 46 43
HDN 3.0 x 16 400 70 400 1 752 400 222 400 800 2 895 1 097 609 659 463 178 111 46 45
HDN 3.0 x 18 450 77 900 1 899 200 222 400 800 2 895 1 199 660 710 514 178 111 46 48
HDN 3.0 x 20 500 85 400 2 046 000 222 400 800 2 895 1 301 711 761 565 178 111 46 51
HDN 3.0 x 24 600 100 300 2 336 600 222 400 800 2 895 1 504 812 862 667 178 111 46 57
HDN 3.0 x 28 700 115 300 2 630 100 222 400 800 2 895 1 707 914 964 768 178 111 46 62
HDN 3.0 x 32 800 130 200 2 920 700 180 200 800 2 895 1 910 1 015 1 065 870 178 161 46 68
HDN 3.0 x 36 900 147 700 3 349 500 160 100 800 2 895 2 156 1 164 1 214 967 228 161 46 77
HDN 3.0 x 40 1 000 159 600 3 637 200 140 000 800 2 895 2 356 1 264 1 314 1 067 228 161 46 85
HDN 3.0 x 48 1 200 179 700 4 212 800 95 600 825 2 895 2 756 1 464 1 514 1 267 228 161 46 94
HDN 3.0 x 56 1 400 196 700 4 788 300 55 600 825 2 895 3 156 1 664 1 714 1 467 947 161 46 103
HDN 3.0 x 60 1 500 206 800 5 116 300 53 200 825 2 895 3 384 1 778 1 828 1 580 1 004 161 46 106
HDN 3.0 x 64 1 629 217 100 5 210 400 53 200 825 2 895 3 688 1 980 2 030 1 683 328/1 527 260 46 110
HDN 3.0 x 72 1 830 238 000 6 242 000 53 200 825 2 895 4 089 2 180 2 230 1 884 439/1 727 260 46 118
Notes: 1. HDN shock absorbers will function satisfactorily at 5% of their maximum rated energy per cycle. If less than these values, a smaller model should be specified.
2. It is recommended that the customer consult ITT Enidine for safety-related overhead crane applications.
3. The energy data listed is for ideal linear impacts only. If side load conditions exist in the application, contact ITT Enidine for sizing assistance.
4. Rear flange mounting of 300 mm strokes and longer not recommended. Front and rear flange or foot mount configurations are recommended.
5. Maximum cycle rate is 60 cycles/hr. for HDN with BA (Bladder Accumulator) option and 30 cycles/hr. without BA option.
6. For impact velocities over 4.5 m/s, consult factory.
7. ** HDN 3.0 x 56 and HDN 3.0 x 60 have 2 charge ports.

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HDN Heavy Duty Series Shock Absorber
HDA HDN 3.5 Series
HDN 3.5 x 2 ➞ HDN 3.5 x 56 Series Technical Data
Heavy Duty Series

200
A F 1.0
(25)
160 ø22
ø3 2
CP
FP ø2 7
15 210

110
50

25
250
ø1 5 5
300
ø5 6 Y

ø8 2

** HDN w/o BA option contains only a single charge/fill port.

* Denotes Shock Absorber Bladder Accumulator Option.
Dimensions are in millimeters. Note: For TF, FF and FR mounting, delete front foot and dimensions.

(FP) Nominal Nominal With BA CP**

(S) (ET) (ETC) Max. Return Force Return Force CP FP w/o
Catalog No./ Stroke Max. Max. Shock Force BA* w/o BA* A F Y Z BA* BA* BA* Mass
Model mm Nm/cycle Nm/hr N N N mm mm mm mm mm mm mm Kg

HDN 3.5 x 2 50 13 000 781 000 300 250 960 2 020 354 244 294 85 134 77 52 33
HDN 3.5 x 4 100 26 000 993 500 300 250 1 020 2 710 456 295 345 136 134 77 52 37
HDN 3.5 x 6 150 38 800 1 161 900 300 250 1 160 4 480 556 345 395 186 134 77 52 41
HDN 3.5 x 8 200 50 900 1 333 600 300 250 1 180 4 480 658 396 446 237 134 77 52 45
HDN 3.5 x 10 250 60 800 1 505 400 300 250 1 200 4 480 760 447 497 288 134 77 52 49
HDN 3.5 x 12 300 70 800 1 677 200 300 250 1 200 4 480 862 498 548 339 134 77 52 53
HDN 3.5 x 16 400 90 500 2 017 300 300 250 1 225 4 480 1 064 599 649 440 134 77 52 60
HDN 3.5 x 20 500 118 800 2 546 100 300 250 1 225 4 480 1 323 756 806 542 189 132 52 74
HDN 3.5 x 24 600 138 700 2 889 600 300 250 1 250 4 480 1 527 858 908 644 189 132 52 81
HDN 3.5 x 28 700 158 500 3 229 700 300 250 1 250 4 480 1 729 959 1 009 745 189 132 52 89
HDN 3.5 x 32 800 178 400 3 573 200 300 250 1 250 4 480 1 933 1 061 1 111 847 189 132 52 97
HDN 3.5 x 36 900 198 300 3 916 800 260 200 1 250 4 480 2 137 1 163 1 213 949 189 132 52 105
HDN 3.5 x 40 1 000 216 800 4 256 900 215 700 1 250 4 480 2 339 1 264 1 314 1 050 189 132 52 112
HDN 3.5 x 48 1 200 247 200 4 930 500 155 700 1 250 4 480 2 739 1 464 1 514 1 250 189 132 52 128
HDN 3.5 x 56 1 400 273 300 5 604 000 112 500 2 100 4 480 3 139 1 665 1 715 1 450 1 894/1 233 132 52 144
Notes: 1. HDN shock absorbers will function satisfactorily at 5% of their maximum rated energy per cycle. If less than these values, a smaller model should be specified.
2. It is recommended that the customer consult ITT Enidine for safety-related overhead crane applications.
3. The energy data listed is for ideal linear impacts only. If side load conditions exist in the application, contact ITT Enidine for sizing assistance.
4. Rear flange mounting of 300 mm strokes and longer not recommended. Front and rear flange or foot mount configurations are recommended.
5. Maximum cycle rate is 60 cycles/hr. for HDN with BA (Bladder Accumulator) option and 30 cycles/hr. without BA option.
6. For impact velocities over 4.5 m/s, consult factory.
7. ** HDN 3.5 x 56 has two charge ports.

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Heavy Duty Series Shock Absorber HDN
HDN 4.0 Series HDA
HDN 4.0 x 2 ➞ HDN 4.0 x 48 Series Technical Data

Heavy Duty Series

250
A F 40
197 ø27
ø32
CP
FP ø2 7
15
252
127
50
25
317
ø2 0 0
360
Y
ø6 3

ø1 0 0

** HDN w/o BA option contains only a single charge/fill port.

* Denotes Shock Absorber Bladder Accumulator Option.
Dimensions are in millimeters. Note: For TF, FF and FR mounting, delete front foot and dimensions.

(FP) Nominal Nominal With BA CP**

(S) (ET) (ETC) Max. Return Force Return Force CP FP w/o
Catalog No./ Stroke Max. Max. Shock Force BA* w/o BA* A F Y Z BA* BA* BA* Mass
Model mm Nm/cycle Nm/hr N N N mm mm mm mm mm mm mm Kg

HDN 4.0 x 2 50 15 700 943 700 355 900 1 100 1 900 430 294 344 111 206 108 64 64
HDN 4.0 x 4 100 31 200 1 534 300 355 900 1 200 2 160 532 345 395 162 206 108 64 70
HDN 4.0 x 6 150 46 279 1 756 700 355 900 1 200 3 050 632 395 445 212 206 108 64 76
HDN 4.0 x 8 200 62 000 1 987 900 355 900 1 200 4 370 735 447 497 263 206 108 64 82
HDN 4.0 x 10 250 77 100 2 210 300 355 900 1 200 5 465 836 497 547 314 206 108 64 87
HDN 4.0 x 12 300 92 600 1 855 100 355 900 1 225 4 440 1 032 642 692 365 300 202 64 108
HDN 4.0 x 16 400 123 100 3 304 300 355 900 1 225 5 650 1 234 743 793 466 300 202 64 120
HDN 4.0 x 20 500 154 000 3 757 900 355 900 1 245 5 145 1 438 845 895 568 300 202 64 131
HDN 4.0 x 24 600 184 800 4 211 500 355 900 1 245 5 675 1 642 947 997 670 300 202 64 144
HDN 4.0 x 28 700 215 100 4 660 700 355 900 1 245 5 675 1 844 1 048 1 098 771 300 202 64 157
HDN 4.0 x 32 800 240 500 5 114 300 355 900 1 245 5 675 2 048 1 150 1 200 873 300 202 64 170
HDN 4.0 x 36 900 265 900 5 567 900 355 900 1 245 5 675 2 252 1 252 1 302 975 300 202 64 183
HDN 4.0 x 40 1 000 289 900 6 017 100 355 900 1 245 5 675 2 454 1 353 1 403 1 076 300 202 64 195
HDN 4.0 x 48 1 200 329 300 6 919 900 200 000 1 245 5 675 2 854 1 556 1 606 1 273 300 202 64 220
Notes: 1. HDN shock absorbers will function satisfactorily at 5% of their maximum rated energy per cycle. If less than these values, a smaller model should be specified.
2. It is recommended that the customer consult ITT Enidine for safety-related overhead crane applications.
3. The energy data listed is for ideal linear impacts only. If side load conditions exist in the application, contact ITT Enidine for sizing assistance.
4. Rear flange mounting of 300 mm strokes and longer not recommended. Front and rear flange or foot mount configurations are recommended.
5. Maximum cycle rate is 60 cycles/hr. for HDN with BA (Bladder Accumulator) option and 30 cycles/hr. without BA option.
6. For impact velocities over 4.5 m/s, consult factory.

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HDN
Heavy Duty Adjustable Series Shock Absorber
HDA
HDA 3.0 Series
HDA 3.0 x 2 ➞ HDA 3.0 x 12 Series Technical Data
Heavy Duty Series

170
A F 25
125 ø22
ø32
CP
FP ø1 4
15
173

88
50
25
216
ø1 3 0
255
Y
ø4 5

ø7 0

Dimensions are in millimeters. Note: For TF, FF and FR mounting, delete front foot and dimensions.

(FP) Nominal With BA

(S) (ET) (ETC) Max. End Return Force
Catalog No./ Stroke Max. Max. Shock Force BA* A F Y Z CP* FP* Mass
Model mm Nm/cycle Nm/hr N N mm mm mm mm mm mm Kg

HDA 3.0 x 2 50 4 500 271 200 222 400 660 336 213 263 98 112 61 21
HDA 3.0 x 3 75 6 800 406 700 222 400 710 387 239 289 123 112 61 22
HDA 3.0 x 5 125 11 300 677 900 222 400 730 489 290 340 174 112 61 25
HDA 3.0 x 8 200 18 100 1 050 300 222 400 765 640 365 415 250 112 61 29
HDA 3.0 x 10 250 22 600 1 197 100 222 400 775 742 416 466 301 112 61 32
HDA 3.0 x 12 300 27 200 1 343 800 222 400 775 844 467 517 352 112 61 35
Notes: 1. HDA shock absorbers will function satisfactorily at 5% of their maximum rated energy per cycle. If less than these values, a smaller model should be specified.
2. It is recommended that the customer consult ITT Enidine for safety-related overhead crane applications.
3. The energy data listed is for ideal linear impacts only. If side load conditions exist in the application, contact ITT Enidine for sizing assistance.
4. Rear flange mounting of 300 mm strokes and longer not recommended. Front and rear flange or foot mount configurations are recommended.
5. Maximum cycle rate is 60 cycles/hr.
6. HDA models which have an impact velocity below .8 m/sec., please contact ITT Enidine for assistance.
7. Maximum allowable applied propelling force: 111 200 N

Adjustment Techniques
After properly sizing an HDA shock absorber, the useable range
Useable Adjustment Setting Range of adjustment settings can be determined:
1. Locate the intersection point of the application's impact
velocity and the HDA model graph line.
2. The intersection is the maximum adjustment setting to be used.
Adjustments exceeding this setting could overload the shock
IMPACT VELOCITY (m/sec)

absorber.
3. The useable adjustment setting range is from setting 1 to the
HDA

MAXIMUM adjustment setting as determined in step 2.

EXAMPLE: HDA Series

1. Impact Velocity: 2 m/s
2. Intersection Point: Adjustment Setting 3
3. Useable Adjustment Setting Range: 1 to 3

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Heavy Duty Adjustable Series Shock Absorber HDN
HDA 4.0 Series HDA
HDA 4.0 x 2 ➞ HDA 4.0 x 10 Series Technical Data

Heavy Duty Series

250
A F 40
197 ø27
ø32
CP
FP ø2 7
15
252
127
50
25
317
ø2 0 0
360
Y
ø6 3

ø1 0 0

Dimensions are in millimeters. Note: For TF, FF and FR mounting, delete front foot and dimensions.

(FP) Nominal With BA

(S) (ET) (ETC) Max. End Return Force
Catalog No./ Stroke Max. Max. Shock Force BA* A F Y Z CP* FP* Mass
Model mm Nm/cycle Nm/hr N N mm mm mm mm mm mm Kg

HDA 4.0 x 2 50 13 600 813 500 355 900 1 125 430 304 354 101 180 108 64
HDA 4.0 x 4 100 27 100 1 578 800 355 900 1 125 532 355 405 152 180 108 70
HDA 4.0 x 6 150 40 700 1 801 100 355 900 1 125 632 405 455 202 180 108 76
HDA 4.0 x 8 200 54 200 2 032 400 355 900 1 125 735 457 507 253 180 108 82
HDA 4.0 x 10 250 67 800 2 254 700 355 900 1 125 836 507 557 304 180 108 87
Notes: 1. HDA shock absorbers will function satisfactorily at 5% of their maximum rated energy per cycle. If less than these values, a smaller model should be specified.
2. It is recommended that the customer consult ITT Enidine for safety-related overhead crane applications.
3. The energy data listed is for ideal linear impacts only. If side load conditions exist in the application, contact ITT Enidine for sizing assistance.
4. Rear flange mounting of 300 mm strokes and longer not recommended. Front and rear flange or foot mount configurations are recommended.
5. Maximum cycle rate is 60 cycles/hr.
6. HDA models which have an impact velocity below .8 m/sec., please contact Enidine for assistance.
7. Maximum allowable applied propelling force: 177 900 N

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HDN Heavy Duty Series Shock Absorber
HDA HD Series
Overview

HD Series
Heavy Duty Series

Custom-orificed design accommodates specified damping requirements. Computer generated output performance
simulation is used to optimize the orifice configuration. Available in standard bore dimensions of up to 5 in. (125mm)
and 6 in. (156mm) with strokes over 60 in. (1525mm).

HD Series

Features and Benefits HD

• Compact design smoothly and safely

decelerates large energy capacity loads
up to 900 000 Nm.
• Engineered to meet OSHA, AISE, CMAA and other
safety specifications such as DIN and FEM.
• Internal air charged bladder accumulator
replaces mechanical return springs,
providing shorter overall length and
reduced weight. Piston Rod

• Wide variety of optional configurations

including bellows, clevis mounts Gas Charge Valve
and safety cables.
Cylinder
• Available in standard adjustable or
custom-orificed non-adjustable models. Oil
Orifice Holes
• Zinc plated external components provide
enhanced corrosion protection.
Bearing
• Epoxy painting and special rod materials are Piston Head
available for use in highly corrosive environments.
Check Ring
• All sizes are fully field repairable. Bladder
Accumulator
• Piston rod extension sensor systems
Shock Tube
available for reuse safety requirements.
• Incorporating optional fluids and seal packages can
expand standard operating temperature range from
–10°C to 60°C to –40°C to 100°C.

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Heavy Duty Series Shock Absorber HD
HD 5.0 Series HDA
HD 5.0 x 4 ➞ HD 5.0 x 48 Series Technical Data

Heavy Duty Series

275
40
A F 220
ø2 5 ø33

CA
9 ø3 3

278

140
60

30
ø2 1 5 340
ø8 0
Y 400
ø1 2 5

Dimensions are in millimeters. Note: For TF, FF and FR mounting, delete front foot and dimensions.

(FP) Nominal
(S) (ET) (ETC) Max. Return Force
Catalog No./ Stroke Max. Max. Shock Force BA* A F Y Z CA Mass
Model mm Nm/cycle Nm/hr N N mm mm mm mm mm Kg

HD 5.0 x 4 100 46 700 1 762 621 550 000 1 760 591 37.5 435 186 230 87
HD 5.0 x 6 150 70 000 2 002 337 550 000 1 760 693 426 486 237 230 94
HD 5.0 x 8 200 93 500 2 242 053 550 000 1 760 795 477 537 288 230 101
HD 5.0 x 10 250 117 000 2 477 070 550 000 1 760 895 527 587 338 230 108
HD 5.0 x 12 300 140 000 2 716 786 550 000 1 760 997 578 638 389 230 114
HD 5.0 x 16 400 187 000 3 196 219 550 000 1 760 1 201 680 740 491 230 128
HD 5.0 x 20 500 234 000 4 145 684 550 000 1 760 1 504 882 942 592 230 158
HD 5.0 x 24 600 280 000 4 625 117 550 000 1 760 1 708 984 1 044 694 230 171
HD 5.0 x 28 700 327 000 5 099 849 550 000 1 760 1 910 1 085 1 145 795 230 185
HD 5.0 x 32 800 374 000 5 579 282 550 000 1 760 2 114 1 187 1 247 897 230 198
HD 5.0 x 40 1 000 467 000 6 533 447 550 000 1 760 2 520 1 390 1 450 1 100 231 225
HD 5.0 x 48 1 200 535 800 7 487 613 410 000 1 760 2 920 1 590 1 650 1 300 230 242

Notes: 1. HD shock absorbers will function satisfactorily at 5% of their maximum rated energy per cycle.
HDA models will function satisfactorily at 10% of their maximum rated energy per cycle. If less than these values, a smaller model should be specified.
2. It is recommended that the customer consult ITT Enidine for safety-related overhead crane applications.
3. The energy data listed is for ideal linear impacts only. If side load conditions exist in the application, contact ITT Enidine for sizing assistance.
4. Rear flange mounting of 300 mm strokes and longer not recommended. Front and rear flange or foot mount configurations are recommended.
5. Maximum cycle rate is 60 cycles/hr.
6. For impact velocities over 4.5 m/s, consult factory.

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HDN Heavy Duty Series Shock Absorber
HDA HD 6.0 Series
HD 6.0 x 4 ➞ HD 6.0 x 48 Series Technical Data
Heavy Duty Series

330
50
A F 260
ø2 5 ø40
CA
9 ø4 0
383

168
70

35
ø2 7 5 380

ø1 0 0 Y 450
ø1 6 0

Dimensions are in millimeters. Note: For TF, FF and FR mounting, delete front foot and dimensions.

(FP) Nominal
(S) (ET) (ETC) Max. Return Force
Catalog No./ Stroke Max. Max. Shock Force BA* A F Y Z CA Mass
Model mm Nm/cycle Nm/hr N N mm mm mm mm mm Kg

HD(A) 6.0 x 4 100 76 500 2 404 568 900 000 2 750 637 391 461 211 197 164
HD(A) 6.0 x 6 150 114 000 2 704 389 900 000 2 750 737 441 511 261 197 175
HD(A) 6.0 x 8 200 153 000 3 004 211 900 000 2 750 839 492 562 312 197 186
HD(A) 6.0 x 10 250 191 000 3 316 025 900 000 2 750 941 543 613 363 197 196
HD(A) 6.0 x 12 300 224 000 3 621 843 900 000 2 750 1 043 594 664 414 197 207
HD 6.0 x 16 400 306 000 4 233 478 900 000 2 750 1 246 696 766 515 197 228
HD 6.0 x 20 500 382 000 4 845 114 900 000 2 750 1 450 798 868 617 197 250
HD 6.0 x 24 600 459 000 6 086 375 900 000 2 750 1 769 1 015 1 085 719 312 309
HD 6.0 x 30 750 573 000 6 997 832 900 000 2 750 2 073 1 167 1 237 871 312 341
HD 6.0 x 36 900 688 500 7 915 285 900 000 2 750 2 379 1 320 1 390 1 024 312 373
HD 6.0 X 42 1 050 803 000 8 826 743 900 000 2 750 2 683 1 472 1 542 1 176 312 405
HD 6.0 x 48 1 200 898 200 9 744 196 750 000 2 750 2 989 1 625 1 695 1 329 312 438
Notes: 1. HD shock absorbers will function satisfactorily at 5% of their maximum rated energy per cycle.
HDA models will function satisfactorily at 10% of their maximum rated energy per cycle. If less than these values, a smaller model should be specified.
2. It is recommended that the customer consult ITT Enidine for safety-related overhead crane applications.
3. The energy data listed is for ideal linear impacts only. If side load conditions exist in the application, contact ITT Enidine for sizing assistance.
4. Rear flange mounting of 300 mm strokes and longer not recommended. Front and rear flange or foot mount configurations are recommended.
5. HDA models which have an impact velocity below .8 m/sec., please contact ITT Enidine for sizing assistance.
6. Maximum cycle rate is 60 cycles/hr.
7. For impact velocities over 4.5 m/s, consult factory.

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Heavy Duty Series Shock Absorber HDN
Mounting and Accessories for HDN, HD, HDA Series HDA
Mounting and Accessories

Typical mounting methods are shown below. Special mounting requirements can be accommodated upon request.

Heavy Duty Series

TM: Rear Flange Front Foot Mount FM: Front and Rear Foot Mount
Also shown is optional safety cable, typically
used in overhead applications.

TF: Front and Rear Flanges FF: Front Flange

CM: Clevis Mount FR: Rear Flange

Note: Rear flange mounting not recommended for
stroke lengths above 12 inches. (300 mm)

HD(A) 3.0 x 2 ➞ HD(A) 4.0 x 10 Series

Clevis Mounts (CM)

ØB FD
ØCC

CB D E

ØFC
CD CE FB
CA CF F FA FE
A
Note: Piston clevis dimensions are typical both ends on HD(A) 4.0 models.
Dimensions are in millimeters.

Cylinder Clevis Dimensions Piston Clevis Dimensions

HD/HDN HDA
Catalog No./ A B D E F F CA CB CC CD CE CF FA FB FC FD FE
Model mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm

HD(A) 3.0 x 2 432 130 38 90 202 235 60 38 25 30 37 65 69 32 25 99 50

HD(A) 3.0 x 3 483 130 38 90 229 261 60 38 25 30 37 65 69 32 25 99 50
HD(A) 3.0 x 5 585 130 38 90 280 312 60 38 25 30 37 65 69 32 25 99 50
HD(A) 3.0 x 8 736 130 38 90 350 387 60 38 25 30 37 65 69 32 25 99 50
HD(A) 3.0 x 10 838 130 38 90 406 438 60 38 25 30 37 65 69 32 25 99 50
HD(A) 3.0 x 12 940 130 38 90 457 489 60 38 25 30 37 65 69 32 25 99 50
HD(A) 4.0 x 2 570 200 65 140 294 304 – – – – – 90 100 60 50 150 100
HD(A) 4.0 x 4 672 200 65 140 345 355 – – – – – 90 100 60 50 150 100
HD(A) 4.0 x 6 772 200 65 140 395 405 – – – – – 90 100 60 50 150 100
HD(A) 4.0 x 8 875 200 65 140 477 457 – – – – – 90 100 60 50 150 100
HD(A) 4.0 x 10 976 200 65 140 497 507 – – – – – 90 100 60 50 150 100

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HDN Heavy Duty Series Shock Absorber
HDA Mounting and Accessories for HDN, HD, HDA Series
Mounting and Accessories
Heavy Duty Series

Optional Piston Rod Return Sensor Sensor Specifications

br
sw
• Magnetic proximity sensor indicates complete piston rod
return with 3 m long cable.
• If complete piston rod does not return the circuit remains
open. This can be used to trigger a system shut-off.
bl
• Contact ITT Enidine for other available sensor types.
• Sensor port in line with charge port on models HDN 1.5, 2.0 • Voltage 10 - 30V
and 4.0. Location offset 90º for models HDN 3.0 and 3.5. • Load Current ≤ 200 mA
• Leakage Current ≤ 80 mA
Sensor • Load Capacitance ≤ 1.0 mF
Height
• Ambient Temperature: -35° to 71°C

Sensor Height
Model mm mm
HDN 1.5 86 20
HDN 2.0 x 6-28 96
16
HDN 2.0 x 32-56 176
Charge
Port HDN 4.0 x 2-10 108
9
HDN 1.5, 2.0 and 4.0 HDN 4.0 x 12-48 202

Sensor Note: Sensor port rotated

90° as shown
Sensor Height
Model mm mm
HDN 3.0 x 2-12 61
HDN 3.0 x 14-32 111 15
HDN 3.0 x 36-60 161
Charge HDN 3.5 x 2-16 77,4
Port 9
HDN 3.5 x 20-56 132,4
HDN 3.0 and 3.5

Height Sensor Sensor Height

Model mm mm
HDN 1.5 86 20
HDN 2.0 x 6-28 96
16
HDN 2.0 x 32-56 176
HDN 3.0 x 2-12 61
HDN 3.0 x 14-32 111 15
HDN 3.0 x 36-60 161
Charge
Port HDN 3.5 x 2-16 77
HDN 3.5 x 20-56 132
HDN 1.5, 2.0, 3.0, 3.5 and 4.0 BA 9
HDN 4.0 x 2-10 108
HDN 4.0 x 12-48 202

Urethane Cap

Model Dia. A B
mm mm
HDN 1.5 60 4
HDN 2.0 65 4
HDN 3.0 70 4

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Heavy Industry Products HDN
Configuration Worksheet HDA
Ordering/Notes

Ordering Example

Heavy Duty Series

Note: HDN/HD/HDA models are custom-orificed, therefore all information must be
provided to ITT Enidine for unique part number assignment.

4 – HDN 2.0 x 24 – TM – C – APPLICATION

DATA
1 2 3 4 5
Ordering Code Example for Heavy Duty Shock Absorbers

1 - Quantity 4 - Mounting Method Application Data

TM (Rear flange front foot mount) (Required for HDN/HD Models)
2 - Model Selection
FM (Front and rear foot mount) See Worksheet page 20
HDN (Non-Adjustable)
TF (Front and rear flanges) Vertical or horizontal motion
HD (Non-Adjustable) Weight
FF (Front flange)
HDA (Adjustable) FR (Rear flange) Impact velocity
CM (Metric clevis mount) Propelling force (if any)
3 - Model Size
Cycles/Hr
Select Size from Engineering Data Chart 5 - Options
HDN - 1.5, 2.0, 3.0, 3.5, 4.0 Bore Sizes (pages. 8-12) C (Sensor cable) Other (temperature or other environmental
HDA - 3.0, 4.0 Bore Sizes (pages. 13-14) conditions, safety standards, etc.)
P (Sensor plug) - See Page 18
HD - 5.0, 6.0 Bore Sizes (pages. 16-17) SC (Safety cable)
BA (Bladder Accumulator)
UC (Urethane Cap)

Notes

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 HI Heavy Industry Shock Absorbers
HI Series
Overview
Heavy Industry Series

ITT Enidine’s Heavy Industry (HI) Series buffers safely protect

heavy machinery and equipment during the transfer of materials
and movement of products. The large-bore, high-capacity buffers
are individually designed to decelerate moving loads under various
conditions and in compliance with industry mandated safety
standards. Control of bridge cranes, trolley platforms, large
container transfer and transportation safety stops are typical
installation examples. Industry-proven design technologies,
coupled with the experience of a globally installed product base,
ensure deliverable performance that exceeds customer expectations.

Prior to HI Series buffer manufacture, computer-simulated

response curves are generated to model actual conditions,
verify product performance, confirm damping characteristics
and generate unique custom-orificed designs that accommodate
multi-condition or specific damping requirements.

Characteristics of the HI Series include a nitrogen-charged return

system that allows for soft deceleration and positive return in a
maintenance-free package. The oversize bore area results in
optimal energy absorption capabilities and increased internal
safety factors. State-of-the-art testing facilities ensure integrity
of design and product performance.

HI Series

Features and Benefits

• Compact design smoothly and safely decelerates large • Available in custom-orificed non-adjustable models.
energy capacity loads up to 500 kNm per cycle with
standard stroke lengths. • Special epoxy painting and rod materials are
available for use in highly corrosive environments.
• Engineered to meet OSHA, AISE, CMMA and other safety
specifications such as DIN and FEM. • Surface treatment (Sea water resistant)
Housing: gray color, three-part epoxy
• Nitrogen-charged return system allows for soft deceleration Piston Rod: hard-chrome plated steel.
and positive return in a maintenance-free package.
• Incorporating optional fluids and seal
• Wide variety of optional configurations including packages available to expand standard
protective bellows and safety cables. operating temperature range from
(–10°C to 60°C) and (–35°C to 100°C).

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Heavy Industry Shock Absorbers HI
HI Series
Ordering Information
ITT Enidine Heavy Industry (HI) Series Buffers

Heavy Industry Series

Piston Rod

Cylinder
Piston Cap

Nitrogen Gas Orifice

Filled Chamber

Separating
Piston

Oil Chamber

The Heavy Industry (HI) Series buffer design incorporates the Extension of the piston rod for the next impact is accomplished
proven damping system of multiple orifice patterns drilled down the by the force created from the compressed nitrogen chamber,
shock tube length, for precise deceleration profiles, coupled with a which acts as both a oil volume compensator, and return
nitrogen return system for controlled extension of the piston rod to its force mechanism. The pressure created pushes the fluid
original position. back into the oil chamber and creates a force to reposition
During piston movement, oil is forced through the orifice pattern into the piston rod to the fully extended position, ready for the
the oil reservoir chamber. This controlled movement of a piston head next impact sequence. The nitrogen return system enables the
by decreasing the orifice area results in precise decay of impact HI Series to be designed for the maximum energy absorption
velocity and safe deceleration of the moving load. The oil volume within the smallest envelope size.
evacuated from the high pressure chamber moves the separating
piston, compensating for the oil differential within the unit.

Ordering Example

Mounting Bracket flange:

Standard: Rear or Front mount

Example:
APPLICATION
4 HI 120 x 100 FR B DATA

Select quantity Select HI Series model from Select mounting method Additional Options Required for all models:
Engineering Data Chart • FF (Flange Front) • B Protective bellows • Vertical/Horizontal Motion
• FR (Flange Rear) • C Safety cable • Mass
• Impact Velocity
• Propelling Force (if any)
• Cycles/Hour
• Temperature/Environment
• Applicable Standards

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A4-Metric-6.qxp:Project1-A4-Metric 2/16/23 9:37 AM Page 81

HI Heavy Industry Shock Absorbers

HI Series
HI 50 x 50 ➞ HI 120 x 1000 Series Technical Data
Heavy Industry Series

H
4-ØFC
H ØB S ØB S

ØE ØE

A1 Z
SB
FR (FLANGE REAR) SA A2

MOUNTING FLANGE FF (FLANGE FRONT)

Max. Return Force

(S) Max. Reaction BOLT
Catalog No./ Stroke Energy/cycle Force Extension Compression Mass A1 A2 Z H ØB SA SB ØFC SIZE ØE
Model mm Nm/c kN kN kN Kg mm mm mm mm mm mm mm mm mm mm
HI 50 x 50 50 3 000 70 0,5 3,2 5 262 – – 15 65 100 70 14,5 M14 58
HI 50 x 100 100 6 200 70 0,3 6,6 9 392 – – 15 65 100 70 14.5 M14 58
HI 85 x 50 50 6 800 160 1,0 3,6 16 324 – – 15 85 128 89 20 M18 79
HI 85 x 100 100 13 600 160 1,0 7,6 22 424 – – 15 85 128 89 20 M18 79
HI 100 x 50 50 10 000 235 1,7 17,0 16 302 301 175 20 100 150 120 18,5 M16 99
HI 100 x 100 100 20 000 235 1,7 18,0 22 479 473 245 20 100 150 120 18,5 M16 99
HI 100 x 150 150 30 000 235 1,7 16,6 28 618 612 300 20 100 150 120 18,5 M16 99
HI 100 x 200 400 80 000 235 1,7 16,6 46 1 349 1 345 645 20 100 150 120 18,5 M16 99
HI 100 x 400 400 80 000 235 1,7 17,5 46 1 349 1 345 645 20 100 150 120 18,5 M16 99
HI 100 x 500 500 94 000 235 1,7 24,2 52 – 1 616 890 20 100 150 120 18,5 M16 99
HI 100 x 600 600 112 000 220 1,7 24,2 58 – 1 888 1 040 20 100 150 120 18,5 M16 99
HI 100 x 800 800 136 000 200 1,7 24,2 69 – 2 426 1 345 20 100 150 120 18,5 M16 99
HI 120 x 100 100 32 000 375 2,7 34,5 34 471 467 270 20 120 220 170 26,5 M24 127
HI 120 x 150 150 48 000 375 2,7 34,5 39 597 593 330 20 120 220 170 26,5 M24 127
HI 120 x 200 200 64 000 375 2,7 34,5 43 724 720 390 20 120 220 170 26,5 M24 127
HI 120 x 300 300 94 000 375 2,7 38,0 53 973 969 520 20 120 220 170 26,5 M24 127
HI 120 x 400 400 125 000 375 2,7 38,0 87 1 225 1 221 680 25 120 220 170 26,5 M24 127
HI 120 x 600 600 188 000 375 2,7 42,8 105 – 1 725 915 25 120 220 170 26,5 M24 127
HI 120 x 800 800 225 000 330 2,7 37,4 110 – 2 332 1 290 25 120 220 170 26,5 M24 127
HI 120 x 1000 1000 260 000 300 2,7 37,4 116 – 2 836 1 360 25 120 220 170 26,5 M24 127

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Heavy Industry Shock Absorbers HI
HI Series
HI 130 x 250 ➞ HI 150 x 1000 Series Technical Data

Heavy Industry Series

H
4-ØFC
H ØB S ØB S

ØE ØE

A1 Z
SB
FR (FLANGE REAR) SA A2

MOUNTING FLANGE FF (FLANGE FRONT)

Max. Return Force

S Max. Reaction BOLT
Catalog No./ Stroke Energy/cycle Force Extension Compression Mass A1 A2 Z H ØB SA SB ØFC SIZE ØE
Model mm Nm/c kN kN kN Kg mm mm mm mm mm mm mm mm mm mm
HI 130 x 250 250 100 000 475 3,2 50,0 72 897 894 545 25 130 270 210 26,5 M24 129
HI 130 x 300 250 100 000 475 3,2 50,0 72 897 894 545 25 130 270 210 26,5 M24 129
HI 130 x 400 400 160 000 475 3,2 50,0 90 1 293 1 289 735 25 130 270 210 26,5 M24 129
HI 130 x 600 600 210 000 400 3,2 45,0 119 – 1 917 1 055 25 130 270 210 26,5 M24 129
HI 130 x 800 800 270 000 400 3,2 45,0 140 – 2 445 1 345 25 130 270 210 26,5 M24 129
HI 150 x 115 115 62 000 645 4,5 65,7 56 516 513 320 25 150 270 210 26,5 M24 149
HI 150 x 150 150 82 000 645 4,5 65,7 59 606 602 355 25 150 270 210 26,5 M24 149
HI 150 x 400 400 220 000 645 4,5 62,4 98 1 257 1 247 710 25 150 270 210 26,5 M24 149
HI 150 x 500 500 275 000 645 4,5 75,5 110 – 1 500 770 25 150 270 210 26,5 M24 149
HI 150 x 600 600 330 000 645 4,5 75,5 120 – 1 754 875 25 150 270 210 26,5 M24 149
HI 150 x 800 800 435 500 640 4,5 68,0 165 – 2 365 1 240 25 150 270 210 26,5 M24 149
HI 150 x 1000 1000 510 000 600 4,5 61,0 180 – 2 887 1 595 25 150 270 210 26,5 M24 149

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 JT Jarret Series
BC1N, BC5, LR Series
Overview
Jarret Series

LR Series

BC5 Series

BC1GN Series

BC1ZN Series

Spring

The design of Jarret Series Industrial Shock Absorber utilizes the unique compression and shear characteristics of
specially formulated silicone elastomers.

These characteristics allow the energy absorption and return spring functions to be combined into a
single unit without the need for an additional gas or mechanical spring stroke return mechanism.

Applications Advantages:
Shock protection for all types of industries including: - Simple design
Defense, Automotive, Railroad, Materials Handling, - High reliability
Marine, Pulp/Paper, Metal Production and Processing. - High damping coefficient
- Low sensitivity to temperature variances

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Jarret Series JT
BC1N, BC5, LR Series
Visco-elastic Technology

Visco-elastic Technology
Reservoir

Visco-elastic
Fluid

Impact Plate
Piston

External Guide
Sweeper

Mounting
Flange

Piston
Retainer

Visco-elastic technology makes use of the fundamental properties of specially formulated Jarret visco-elastic medium.

Compressibility:
Preloaded spring function
F = F0 + Kx

Viscosity:
Shock absorber function
F = F0 + Kx + CV α with α
between 0,1 and 0,4

The two functions can be used separately or in combination, in the same product:
Preloaded Spring: Preloaded Spring Shock Absorbers:
Spring Function Only Combine Spring and Shock Absorber Functions
• Hysteresis of between 5% and 10% • Dissipate between 30% and 100% of energy
• Reduced weight and space • Force/stroke characteristics remain relatively unchanged
requirement between -10°C and + 70°C
• Force/stroke characteristic is
independent of actuation speed * Spring and shock absorber products are capable of functioning between -10°C and + 70°C.
However, standard products are not intended for use over the full rated temperature range.
Shock Absorber Without Spring Return: Consult factory for special product considerations required to accommodate operation over a wide
Shock Absorbing Function Only temperature range.
• Dampening devices
• Blocking devices

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 JT Jarret Shock Absorbers
BC1N Series
BC1ZN ➞ BC1GN Series Technical Data

L1 L1
L2 Stroke L2 Stroke
L4
BC1N Series

L3
L6
4 Holes D7
D5

D1
D6

D4
D1
D3
L5

Rear Flange Mounting - Fa Threaded Body Mounting - Fc

Max Return Force Rdymax

Energy Max
Catalog No./ Capacity Stroke Extension Compression Rdy0 Shock Force
Model kJ mm kN kN kN kN
BC1ZN 0,1 12 0,94 5,4 6 11
BC1BN 0,43 22 2,5 14,0 14 27
BC1DN 1,5 35 5,2 28,8 28 60
BC1EN 3,4 45 7,8 43,0 45 100
BC1FN 7 60 13,6 76,6 90 150
BC1GN 14 80 19,0 130,0 130 230

Catalog No./ L1 L2 L3 L4 L5 L6 R1 D1 D2 D3 D4 D5 D6 D7 Mass

Model mm mm mm mm mm mm mm mm mm mm mm mm mm mm Kg
BC1ZN 75 53 52 10 7 43 – 19 M25 x 1,5 20 38 57 41 7 0,3
BC1BN 120 98 96 12 8 86 – 25 M35 x 1,5 32 52 80 60 9 0,7
BC1BN-M 120 98 96 12 9 - – 25 M40 x 1,5 32 58 – – – 0,8
BC1DN-70 175 140 138 12 11 128 – 38 M50 x 1,5 45 70 90 70 9 1,9
BC1DN-85 175 140 138 12 11 128 – 38 M50 x 1,5 45 70 106 85 11 2
BC1DN-M 175 140 138 12 11 – – 38 M60 x 2 45 70 – – – 2
BC1EN 213 168 158 10 13 158 130 60 M75 x 2 72 98 122 100 11 5
BC1FN 270 210 130 12 16 130 150 74,5 M90 x 2 90 120 150 120 13 10,5
BC1GN 337 257 145 14 19 145 350 90 M110 x 2 110 145 175 143 18 17

Notes: 1. Spring and shock absorber products are capable of functioning between -10°C and + 70°C. However, standard products are not intended for use over the full rated temperature range.
2. Consult factory for special product considerations required to accommodate operation over a wide temperature range.

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Jarret Shock Absorbers JT
BC1N Series
BC1ZN ➞ BC1GN Series Application Worksheet
1 - Selection Chart 6 - Application Example
Given data: Effective mass = 15 t
Effective velocity = 0,8 m/s

BC1N Series
Impact frequency: 25 impacts/hour

1. Energy dissipated per impact: E = 1 (15)(0,8) = 4,8 kJ

2
2. BC1FN Selected

3. Allowable impact frequency IF < 20x7/4,8 = 29

25 < 29
4. Effective (Actual) Stroke:

Based On 4,8
 Impact velocity (V)
Ce = 60 +1,36 - 1,17
: 2 m/s 7 (0,03 x 0,8 + 0,24)
 Operating temperature : 20° to + 40°C
 Surface protection
Ce = 49 mm
: Electrolytic zinc
 Dynamic performance diagram 5. Effective Reaction Force:
Force kN
Rdye = [(150 - 90) x 49 + 90)] (0,1 x 0,8 + 0,8)
Rdymax 60

Rdye = 122 kN
Rdy0

6. Compare standards to results:

Stroke mm
Symbols:
BC1FN APPLICATION
En = Energy Capacity (kJ)
E (kJ) = 7 > 4,8
C = Maximum Stroke (mm)
C (mm) = 60 > 49
Rdy = Dynamic Reaction Force (kN)
Rdymax (kN) 150 > 122

2 - Energy Calculation
1 All performance characteristics can be modified.
E= Me Ve2 Please advise us of your specific requirements.
2

3 - Allowable Impact Velocity

IF < 20 x En Impacts/hour
E
4 - Effective (Actual) Stroke Calculation

Ce = C E
En (0,03 V + 0,24) +1,36 - 1,17

5 - Calculation of Effective Reaction Force Rdye

Rdye = Rdymax - Rdy0 x Ce + Rdy0 (0,1V + 0,8)

C

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 JT Jarret Shock Absorbers
BC5 Series
BC5A ➞ BC5E Series Technical Data

L4 L2 Stroke
BC5 Series

4 holes ø D5 L5 L6

ø D2

ø D2
ø D1

ø D3

ø D4
L8
L7 L5 L4
L3

Rear Flange Mount - Fa Front Flange Mount - Fc

Max Return Force Rdymax

Energy Max
Catalog No./ Capacity Stroke Extension Compression Rdy0 Shock Force
Model kJ mm kN kN kN kN
BC5A-105 25 105 18,5 140,7 167 310
BC5B-130 50 130 58,0 259,9 310 540
BC5C-140 75 140 49,0 328,4 400 700
BC5D-160 100 160 59,5 380,0 470 820
BC5E-180 150 180 117,0 546 640 1 100

Catalog No./ L1 L2 L3 L4 L5 L6 L7 L8 D1 D2 D3 D4 D5 Mass

Mode mm mm mm mm mm mm mm mm mm mm mm mm mm Kg

BC5A-105 415 275 140 20 30 15 135 105 116 116 87 120 14 25

BC5B-130 500 325 175 25 33 30 155 125 142 142 115 138 14 40
BC5C-140 520 315 205 30 36 35 175 140 160 160 132 158 18 45
BC5D-160 585 350 235 35 40 40 215 170 180 180 153 185 22 73
BC5E-180 670 405 265 40 45 45 250 195 215 215 182 220 26 117

Notes: 1. Impact Speed: BC5 Series shock absorbers are designed for impact velocities of up to 4 m/sec. Higher impact velocities require custom modification.
2. Spring and shock absorber products are capable of functioning between -10°C and + 70°C. However, standard products are not intended for use over the full rated temperature range.
3. Consult factory for special product considerations required to accommodate operation over a wide temperature range.

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Jarret Shock Absorbers JT
BC5 Series
BC5A ➞ BC5E Series Application Worksheet

Based On 5 - Application Example

 Impact velocity (V) : 2 m/s Data: Two shock absorbers in series, Effective mass
 Operating temperature : 20° to + 40°C m =300 t, Impact speed v = 1,2 m/s (which is an impact
 Surface protection

BC5 Series
: Electrolytic zinc of 0,6 m/s on each shock absorber), Impact frequency = 15
 Dynamic performance diagram impacts/hour, Maximum allowable structural load 1000 kN
Force kN
1: E = 1 ( 1 mV2)
Rdymax 2 2
1
( 1 300 x 1,2 ) = 108 kJ
2
E=
2 2
Rdy0
2. Selection BC5E-180

150
3. Maximum allowable impact frequency is 15 x
108
Stroke mm 21 impacts/hour. Therefore 15 impacts/hour
Symbols: is acceptable.
En = Energy Capacity (kJ) 150
15 < 15 x
C = Maximum Stroke (mm) 108
15 < 21
Rdy = Dynamic Reaction Force (kN)
4. Effective (actual) stroke is 167 mm
1 - Energy Calculation
Ce = 180 x 108 +1,36 – 1,17 = 156 mm
E= 1 Me Ve2 150 (0,03 x 0,6 + 0,24)
2
2 - Allowable Impact Frequency (IF) 5. Rdye = ( 1 100 - 640) x 156 + 640 ( 0,1x 0,6 + 0,8 )
180
IF < 15 x En Impacts/hour
E
Rdye = 893 kN < 1000 kN
3 - Effective Stroke Calculation
6. Compare standards to results:
Ce = C E +1,36 - 1,17
En (0,03 V + 0,24)
BC5E-180 APPLICATION
E (kJ) = 150 > 108
4 - Calculation of Effective Reaction Rdye IF = 21 > 15
C (mm) = 180 > 156
Rdymax (kN) 1100 > 893
Rdye = Rdymax - Rdy0 x Ce + Rdy0 (0,1V + 0,8)
C
Note: maximum allowed structural load is 1 000 kN > 893 kN

All performance characteristics can be modified.

Please advise us of your specific requirements.

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 JT Jarret Shock Absorbers
XLR Series
XLR6-150 ➞ XLR-800 Series Technical Data

L7
L8

ø D1

ø D3
ø D4
LR Series

L5 L6
L4 Stroke 4 holes ø D5
L2 L3
L1
XLR Series - Front Flange Mount- Fc

Max Return Force Rdymax

Energy Max
Catalog No./ Capacity Stroke Extension Compression Rdy0 Shock Force
Model kJ mm kN kN kN kN
∆ XLR6-150 6 150 2,9 20,5 25 50
∆ XLR12-150 12 150 8,3 38,5 66 100
∆ XLR12-200 12 200 5,6 30,0 42 78
∆ XLR25-200 25 200 13,4 74,4 95 150
∆ XLR25-270 25 270 11,1 51,4 66 112
∆ XLR50-275 50 275 19,7 130,0 118 230
∆ XLR50-400 50 400 12,9 83,8 75 150
∆ XLR100-400 100 400 25,0 162,5 175 320
∆ XLR100-600 100 600 11,6 132,4 85 230
∆ XLR150-800 150 800 23,2 152,2 80 250

Notes: 1. Impact Speed: Types XLR and BCLR Series shock absorbers are designed for impact velocities of up to 2 m/sec.
Higher impact velocities require custom modification.
2. ∆ = Non-standard lead time items, contact ITT Enidine.

Catalog No./ L1 L2 L3 L4 L5 L6 L7 L8 D1 D2 D3 D4 D5 Mass

Model mm mm mm mm mm mm mm mm mm mm mm mm mm Kg
∆XLR6-150 410 231 179 19 0 10 90 70 50 90 38 50 9 4,2
∆XLR12-150 480 285 195 18 15 12 110 85 75 90 57 80 11 11
∆XLR12-200 530 285 245 18 15 12 110 85 75 90 57 80 11 11
∆XLR25-200 620 370 250 20 18 12 135 105 90 110 72 100 14 20
∆XLR25-270 690 370 320 20 18 12 135 105 90 110 72 100 14 25
∆XLR50-275 855 520 335 25 20 15 175 140 110 150 87 120 18 40
∆XLR50-400 980 520 460 25 20 15 175 140 110 150 87 120 18 40
∆XLR100-400 1 370 910 460 25 20 15 175 140 110 150 87 120 18 65
∆XLR100-600 1 570 910 660 25 20 15 175 140 110 150 87 120 18 65
∆XLR150-800 2 640 1 780 860 25 20 15 175 140 110 150 87 120 18 115

Notes: 1. Rear Flange Mounting - Fa on Request.

2. Spring and shock absorber products are capable of functioning between -10°C and + 70°C. However, standard products are not intended for use over the full rated temperature range.
3. Consult factory for special product considerations required to accommodate operation over a wide temperature range.

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Jarret Shock Absorbers JT
XLR Series
XLR6-150 ➞ XLR-800 Series Application Worksheet
Based On
 Impact velocity (V) : 2 m/s 5 - Application Example Data:
 Operating temperature : 20° to + 40°C Effective mass = 30 t
 Surface protection : Electrolytic zinc & Painting Effective impact speed = 2,2
 Dynamic performance diagram

LR Series
Maximum allowable structural force = 350 kN
Impact frequency = 10/hr
Force kN
Rdymax
1: Energy dissipated/impact is 72,6 kJ

1
E= x 15 x (2,2)2
Rdy0 2
E = 72,6 kJ

Stroke mm 2: XLR100-400 selected

Symbols:
En = Energy Capacity (kJ) 3: Maximum allowable impact frequency
C = Maximum Stroke (mm) IF < 8 x 100 / 72,6 = 11
Rdy = Dynamic Reaction Force (kN) (10<11 impacts/hour is acceptable)

1 - Energy Calculation 4: Effective (actual) stroke:

1
E = Me Ve2
2 72,6
Ce = 400 x + 1,83- 1,35
100 (0,027 x 2,7 + 0,22)
2 - Allowable Impact Frequency (IF)
Ce = 290,3 mm
IF < 8 x En Impacts/hour
E 5: Rdye = 320 -175 290,3 + 175 (0,1 x 2,2 +0,8)
3 - Required Stroke Calculation 400

E Rdye = 285,8 kN
Ce = C +1,83 - 1,35
En (0,027 V + 0,22)
(which is less than maximum allowable reaction force of 350 kN)

4 - Calculation of Effective Reaction Rdye 6. Compare standards to results:

XLR100-400 APPLICATION
Rdye = Rdymax - Rdy0 x Ce + Rdy0 (0,1V + 0,8) E (kJ) = 100 > 72,6
C IF = 11 > 10
C (mm) = 400 > 301,8
Rdymax (kN) 320 > 290,1

Note: maximum allowed structural load is 350 kN > 290,1 kN

All performance characteristics can be modified.

Please advise us of your specific requirements.

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 JT Jarret Shock Absorbers
BCLR Series
BCLR-100 ➞ BCLR-1000 Series Technical Data

L7
L8

ø D3
ø D4
LR Series

L5 L6
4 holes ø D5 L4 Stroke
L2 L3
L1

BCLR Series - Front Flange Mount- Fc

Max Return Force Rdymax

Energy Max
Catalog No./ Capacity Stroke Extension Compression Rdy0 Shock Force
Model kJ mm kN kN kN kN
∆BCLR-100 100 400 30,0 161,9 190 310
∆BCLR-150 150 500 41,5 201,4 200 380
∆BCLR-220S 220 400 45,0 270,0 380 685
∆BCLR-250 250 650 45,0 253,0 270 490
∆BCLR-400 400 850 49,6 307,9 330 600
∆BCLR-600 600 1 050 47,5 351,5 370 740
∆BCLR-800 800 1 200 64,2 441,0 430 860
∆BCLR-1000 1 000 1 300 85,0 534,0 500 1 000
Notes: 1. Impact Speed: Types XLR and BCLR Series shock absorbers are designed for impact velocities of up to 2 m/sec.
Higher impact velocities require custom modification.
2. ∆ = Non-standard lead time items, contact ITT Enidine.

Catalog No./ L1 L2 L3 L4 L5 L6 L7 L8 D1 D2 D3 D4 D5 Mass

Model mm mm mm mm mm mm mm mm mm mm mm mm mm Kg
∆BCLR-100 1 120 660 460 25 20 15 175 140 130 150 110 140 18 63
∆BCLR-150 1 350 775 575 30 25 20 215 170 140 185 120 150 22 90
∆BCLR-220S 1 258 783 475 30 25 20 215 170 160 N/A 134 160 22 110
∆BCLR-250 1 750 1 025 725 30 25 20 215 170 155 185 135 170 22 135
∆BCLR-400 2 185 1 250 935 35 25 25 265 210 175 235 150 190 27 218
∆BCLR-600 2 555 1 420 1 135 35 25 25 265 210 200 235 175 215 27 295
∆BCLR-800 2 935 1 630 1 305 40 35 30 300 240 220 270 190 235 30 420
∆BCLR-1000 3 225 1 820 1 405 40 35 30 300 240 230 270 205 248 30 470
Notes: 1. Rear Flange Mounting - Fa on Request.
2. Spring and shock absorber products are capable of functioning between -10°C and + 70°C. However, standard products are not intended for use over the full rated temperature range.
3. Consult factory for special product considerations required to accommodate operation over a wide temperature range.

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Jarret Shock Absorbers JT
BCLR Series
BCLR-100 ➞ BCLR-1000 Series Application Worksheet
Based On 5 - Application Example:
 Impact velocity (V) : 2 m/s Effective mass = 75 t
 Operating temperature : 20° to + 40°C Effective impact speed = 2,7
 Surface protection : Electrolytic zinc & Painting Maximum allowable structural force: 650 kN
 Dynamic performance diagram

LR Series
Impact frequency = 10/hr

Force kN 1. Energy dissipated/impact is 274 kJ

Rdymax
2. BCLR-400 selected

Rdy0 3. Maximum allowable impact frequency

IF < 8 x 400 / 274 = 12 (10 impacts/hour is acceptable)
10 < 12
Stroke mm
Symbols: 4. Effective (actual) stroke:
En = Energy Capacity (kJ)
C = Maximum Stroke (mm) 274
Ce = 850 x + 1,83 – 1,35
Rdy = Dynamic Reaction Force (kN) 400 (0,027 x 2,7 + 0,22)

Ce = 587mm
1 - Energy Calculation

1 5. Rdye = 520 (0,1 x 2,7 + 0,8) = 556 kN

E = Me Ve2
2
(which is less than maximum allowable reaction force of 650 kN)
2 - Allowable Impact Frequency (IF)
6. Compare standards to results:
IF < 8 x En Impacts/hour
E
BCLR-400 APPLICATION
3 - Required Stroke Calculation E (kJ) = 400 > 274
IF = 12 > 10
E
Ce = C +1,83 - 1,35 C (mm) = 850 > 587
En (0,027 V + 0,22)
Rdymax (kN) 600 > 556

4 - Calculation of Effective Reaction Rdye Note: maximum allowed structural load is 650 kN > 556 kN

Rdye = Rdymax - Rdy0 x Ce + Rdy0 (0,1V + 0,8)

C
All performance characteristics can be modified.
Please advise us of your specific requirements.

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ADA Rate Controls
DA ADA/DA Series
Overview
Rate Controls

ADA Series

Tow Bar Snubbers

DA Series

ITT E nidine Rate Controls are designed to regulate the speed and time required for a mechanism to move from one position to
another. Adjustable and non-adjustable models are available to accommodate a wide variety of motion control applications.
both single and double acting hydraulic damper designs allow smooth, controllable machine operation by providing rate control
for both linear and rotational (hinged) loads. Each product family offers a variety of stroke lengths from which to choose.

Adjustable, Double Acting (ADA 500M and ADA 700M Series) rate controls regulate speed in both tension and/or compression
modes independently. ADA products let the user adjust the rate to suit specific application requirements. Fixed orifice interchangeable
cartridges are available for the ADA 500M Series, which provide tamperproof operation once the desired rate has been determined.
An optional remote adjustment cable provides adjustment control in otherwise inaccessible locations for the ADA 500M Series.

The DA Series are non-adjustable, custom-orificed at factory, double acting rate controls which provide smooth, reliable motion
control for high load capacities. Tow bar (TB) snubbers are specially designed DA’s which dampen the abrupt starts and stops of
power and free conveying systems.

Features and Benefits

• Extensive product line offers flexibility in both • Custom stroke lengths and damping characteristics
size and load capacities to fulfill a wide range can be designed to suit your application requirements.
of application requirements.

• Incorporating optional fluids can expand the

• ISO quality standards result in reliable, long-life operation.
standard operational temperature range from
(–10°C to –80°C) to (–30°C to –100°C).
• A select variety of surface finishes maintains original quality
appearance and provides the longest corrosion resistance
• Special materials and finishes available to meet
protection.
specific customer requirements.

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Rate Controls ADA
ADA/DA Series DA
Adjustable Double Acting (ADA) Series Rate Control Overview

Piston Head

Rate Controls
Piston Clevis Shock Tube
Cylinder

Compression Adjustment
Bearing Cartridge
Piston Rod Tension Adjustment
Cartridge

Oil
Cylinder End
Foam Accumulator

Check Ball

Orifice

ITT Enidine Double Acting Adjustable (ADA) rate controls Resistance is controlled by using a wrench key at either end
control the velocity of both linear and rotational loads of the rate control and adjusting the movement by following
throughout their entire motion. Adjustment cartridges on the stiffer (+) or softer (-) indications. When the rate control
the ADA 500M Series allow flexibility in controlling the is compressed, the oil is orificed through the compression
speed for an applied force in both the tension and adjustment cartridge and flows freely through the tension
compression directions. Maximum damping is achieved by adjustment cartridge. The tension cartridge check ball unseats
turning the adjustment knob to the number eight (8) setting, and allows free flow of the oil to the rod end of the shock tube.
while turning the knob to the zero (0) setting provides minimal A foam accumulator is utilized to accept the volume of oil
resistance. Interchangeable, threaded, fixed-orifice cartridges displaced by the piston rod. When the rate control is extended,
can provide consistent, tamper-resistant damping to meet oil is moved through an internal flow path in the shock tube
particular application requirements. and is orificed through the tension adjustment cartridge. The
compression cartridge check ball unseats and allows free flow
The ADA 500M Series utilizes two independent adjustment of the oil into the blind end of the shock tube.
cartridges for motion control in each direction, housed in
the cylinder end. The ADA 700M Series has independently
controlled tension and compression capabilities located
at each end of the unit.

Extension Check Ball

Orifice Hole(s)
Cylinder
Shock Tube
Piston Clevis
Oil
Piston Rod

Bearing

Foam Accumulator
Piston Head
Compression
Check Ball

DA Series rate controls are ideally suited for high-energy, passed through the orifice hole(s), a portion of the oil passes
heavy load applications requiring rate control in tension, through the extension check valve and fills the rod end of the
compression or both directions. These non-adjustable, shock tube. The remainder of the oil volume displaced by the
custom-orificed units are designed to specific input piston rod compresses the foam accumulator.
conditions, and allow for single and multiple orifice
Upon extension of the rate control, the extension check ball
configurations.
seats. As the piston head moves, oil is forced through the
Upon compression of the rate control, the compression orifice hole(s) located in the shock tube producing the required
check ball seats. As the piston head moves, oil is forced damping force. The compression check ball is unseated by the
through the orifice hole(s) located in the shock tube, flow of oil which fills the blind end of the shock tube.
producing the required damping force. After the oil has

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ADA Rate Controls
DA ADA/DA Series
Overview

ITT Enidine Rate Controls are used to regulate the speed or

time required for a mechanism to move from one position to
another. They use proven technology to enhance performance
Rate Controls

in a variety of product applications. Rate controls are typically

VELOCITY
used to control pneumatic cylinders, linear slides, lids, and
other moving mechanisms.

The advantages of using rate controls include: STROKE

1. Longer Machine Life – The use of rate controls significantly SINGLE ORIFICE RATE CONTROL
CONSTANTFORCE
FORCE OPERATION
reduces shock and vibration to machinery caused by
uncontrolled machine operation. This further reduces
machinery damage, downtime and maintenance costs,
while increasing machine life.

2. Improved Production Quality – Harmful effects of

uncontrolled motion, such as noise, vibration and damaging
impacts, are moderated or eliminated so that production

VELOCITY
quality is improved.

3. Safer Machinery Operation – Rate controls protect

machinery and equipment operators by offering STROKE
predictable, reliable and controlled machine operation. MULTIPLE ORIFICE RATE CONTROL
CONSTANT FORCE OPERATION

4. Competitive Advantage – Machines and end products

become more valuable because of increased productivity,
longer life, lower maintenance and safer operation.

ITT Enidine offers a wide range of rate controls that provide

motion control in tension, compression, or both directions.
Adjustable and non-adjustable tamperproof models are
available to fit your particular application requirements.
The resisting force provided by ITT Enidine rate controls is
typically constant over the entire stroke when the piston rod is
moved at a constant velocity, since the rate controls are single
orifice products. DA Series models can be custom orificed to
provide increasing resisting force over the stroke through the
use of multiple orifices in the shock tube. This can be beneficial
Compression and Tension
when controlling the velocity of a lid as it closes, since the
torque from the weight of the lid changes as it closes.

Rate Control Adjustment Techniques

A properly adjusted rate control safely controls machinery Enidine Rate Control
operation, and reduces noise levels from uncontrolled motion.
To correctly adjust the rate control after it has been properly
sized for the application, set the adjustment knob (per the
useable adjustment setting graphs for the applicable model.
Cycle the mechanism and observe the motion of the system. Typical Application: Print Rollers and Paper Tensioners
If the motion of the mechanism is too fast, move the adjustment
dial to the next largest number until the desired velocity is
achieved.
If the motion of the mechanism is too slow, move the
adjustment dial to the next smallest number until the
desired velocity is achieved.

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 Rate Controls ADA
ADA/DA Series DA
Adjustment Techniques
Useable Adjustment Setting Range
Green lines are model’s maximum allowable propelling force. Damping Force
Compression Mode Adjustment Setting Curve Tension Mode Adjustment Setting Curve

Rate Controls
ADA 500

Position 0 provides minimum damping force.

Position 8 provides maximum damping force.
180° adjustment with setscrew locking.

1. Determine the damping direction (tension [T], compression [C] After properly sizing the ADA, the adjustment setting can be determined.
or both [T and C]), stroke (mm) required, propelling force (N),
1. To determine the approximate adjustment setting when the
desired velocity (m/s) and cycles per hour.
selected model, propelling force, and velocity are known:
2. Calculate total energy per hour (Nm/hr). compare velocity to the propelling force in the compression
and/or tension mode adjustment setting curves. The
3. Compare the damping direction (T, C, or T and C), stroke (mm) intersection point of the velocity and the propelling force
required, propelling force (N) and total energy per hour is the approximate adjustment setting to be used.
(Nm/hr) to the values listed in the Rate Controls Engineering Adjustment higher or lower than this setting will result
Data charts. in slower or faster damper operation, respectively.
NOTE: Propelling force and velocity should be measured at the
location of the rate control. 2. To determine the velocity when the selected model,
adjustment setting, and propelling force are known:
4. Determine if adjustable or non-adjustable model is desired. compare the propelling force to the adjustment setting
5. Select the appropriate rate control model. in the compression and/or tension mode adjustment
A. For adjustable rate control models, refer to the Useable setting curves. The intersection point of the propelling force
Adjustment Settings section for the selected model to and the adjustment setting is the approximate velocity for
determine the proper adjustment setting. the selected model. Higher velocities are obtained at lower
adjustment settings and lower velocities are obtained at
B. For non-adjustable rate control models, refer to the higher adjustment settings.
Damping Constant Selection Instructions for the selected
model to determine the proper damping constant.
EXAMPLE: Double Acting Application
Example: Stroke required: 51 mm
1. Damping Direction (T, C or T and C): T and C Control direction: Tension and Compression
Stroke (S): 102 mm Propelling force: 1 557 N (tension),
Propelling Force (FD): 890 N (T and C) 1 780 N (compression)
Velocity (V): 0,2 m/s
Selection: ADA 505
Cycles/Hour (C): 20
1. Velocity: 0,28 m/s (tension),
2. Total Energy/Hour: 1 808 Nm/hr compression 0,15 m/s (compression)
1 808 Nm/hr tension Intersection point: Adjustment setting 2 (tension),
3 616 Nm/hr Total 4 (compression)
2. Adjustment setting: 2 (tension), 4 (compression)
3. Compare damping direction (T and C), stroke, propelling Velocity: 0,28 m/s (tension),
force and total energy per hour, to the values listed in the 0,15 m/s (compression)
rate controls engineering data charts.
4. An adjustable model is desired. NOTE: When a free flow plug is used, the intersection point of
the propelling force and free flow plug curve determines
5. Selection: ADA 510M (T and C), The proper adjustment is the velocity.
two (2) in tension and compression per the ADA 500M Series
Useable Adjustment Setting Range Curves. NOTE: Propelling force and velocity should be measured
at the location of the rate control.

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ADA Rate Controls
DA ADA/DA Series
Adjustment Techniques

Useable Adjustment Setting Range Damping Force

Green lines are model’s maximum allowable propelling force.
Rate Controls

Turn adjustment pin 1 3/4 turns open

to provide minimum damping force.
Turn adjustment pin fully closed to
provide maximum damping force.

1. To determine the approximate adjustment setting, when the

selected model, propelling force, and velocity are known,
compare velocity to the propelling force in the compression
and/or tension mode adjustment setting curves. The
intersection point of the velocity and the propelling force
is the approximate adjustment setting to be used.
Adjustment lower or higher than this setting will result
in slower or faster damper operation respectively.

2. To determine the velocity, when the selected model,

adjustment setting, and propelling force are known,
compare the propelling force to the adjustment setting in
the compression and/or tension mode adjustment setting
curves. The intersection point of the propelling force and
the adjustment setting is the approximate velocity for the
selected model. Higher velocities are obtained at higher
adjustment settings and lower velocities are obtained at
ADA 700

lower adjustment settings.

3. A 1,5mm Hex Wrench (provided) is required to

adjust the unit.

NOTE: When a free flow plug is used, the intersection point

of the propelling force and free flow plug curve
determines the velocity.

EXAMPLE: Adjustable Double Acting

Rate Control Application
Stroke required: 152 mm
Control direction: Tension and Compression
Propelling force: 4 448 N (tension),
7 228 N (compression)

Selection: ADA 715

1. Velocity: 0,635 m/s (tension),
0,1 m/s (compression)

Intersection point: Adjustment setting 1 1/2 (tension),

/2 (compression)
1

2. Adjustment setting: 1 1/2 (tension), 1/2 (compression)

Velocity: 0,635 m/s (tension),

0,1 m/s (compression)
NOTE: Propelling force and velocity should be measured
at the location of the rate control.

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Rate Controls ADA
ADA/DA Series DA
Typical Applications

Rate Controls
Assembly Applications

Energy Production

Printing Presses

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ADA Rate Controls
ADA Series
ADA 505M ➞ ADA 525M Series Technical Data

ØN
W
U C ØS
X ØD ØU
Rate Controls

ØN F V
L

W
U ØD ØN ØU C ØS
X

ØN F
V

L + STROKE

FD
Bore (S) Max. Propelling Force ETC
Catalog No./ Damping Size Stroke Extension Compression Max. Mass
Model Direction mm mm N N Nm/hr Kg
ADA 505M T, C or T and C 16,0 50,0 2 000 2 000 73 450 0,3
ADA 510M T, C or T and C 16,0 100,0 2 000 1 670 96 050 0,372
ADA 515M T, C or T and C 16,0 150,0 2 000 1 335 118 650 0,445
ADA 520M T, C or T and C 16,0 200,0 2 000 900 141 250 0,520
ADA 525M T, C or T and C 16,0 250,0 2 000 550 163 850 0,590

N U
Catalog No./ C D F L +0,13/-0,00 S +0,00/-0,381 V W X
Model mm mm mm mm mm mm mm mm mm mm
ADA 505M 27,0 8,0 173,0 200 6,0 31,8 12,7 6,3 14,2 9,5
ADA 510M 27,0 8,0 224,0 250 6,0 31,8 12,7 6,3 14,2 9,5
ADA 515M 27,0 8,0 275,0 300 6,0 31,8 12,7 6,3 14,2 9,5
ADA 520M 27,0 8,0 325,0 350 6,0 31,8 12,7 6,3 14,2 9,5
ADA 525M 27,0 8,0 376,0 400 6,0 31,8 12,7 6,3 14,2 9,5

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Rate Controls ADA
ADA Series
ADA 705M ➞ ADA 735M Series Technical Data

TENSION ADJUSTMENT LOCATION

Rate Controls
COMPRESSION ADJUSTMENT
LOCATION Ø45 Ø14

THREAD CONNECTION M10 THREAD CONNECTION M10

13
13
B STROKE
A
8.1 8.1
SW=10 SW=10

Ø18 A A Ø18

27 SW=17 SW=17 27

Ø10 H7 Ø10 H7

14 B B 14

43 43

Ø10 H9 Ø10 H9
10 10

 20 C C  20

20 20

40 40
35 35

D* D*
16 16

20 20

M10 M10

FD Max. Propelling Force

Bore (S) ETC Model
Catalog No./ Damping Size Stroke Tension Compression Max Mass A B
Model Direction mm mm N N Nm/hr Kg mm mm
∆ ADA 705M T, C or T and C 25 50,0 11 000 11 000 129 000 1,6 237 180
∆ ADA 710M T, C or T and C 25 100,0 11 000 11 000 168 000 2,0 339 231
∆ ADA 715M T, C or T and C 25 150,0 11 000 11 000 206 000 2,3 441 282
∆ ADA 720M T, C or T and C 25 200,0 11 000 11 000 247 000 2,6 541 332
∆ ADA 725M T, C or T and C 25 250,0 11 000 11 000 286 000 2,9 643 383
∆ ADA 730M T, C or T and C 25 300,0 11 000 11 000 326 000 3,2 745 434
∆ ADA 735M T, C or T and C 25 350,0 11 000 11 000 366 000 3,6 847 485
*Notes: 1. The maximum load capacity for mounting option D is 1 600 N.
2. ∆ = Non-standard lead time items, contact ITT Enidine.

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ADA Rate Controls
ADA Series
ADA 740M ➞ ADA 780M Series Technical Data

COMPRESSION ADJUSTMENT TENSION ADJUSTMENT LOCATION

LOCATION Ø45 Ø14
Rate Controls

THREAD CONNECTION M10 THREAD CONNECTION M10

13
13
B STROKE
A
8.1 8.1
SW=10 SW=10

Ø18 A A Ø18

27 SW=17 SW=17 27

Ø10 H7 Ø10 H7

14 B B 14

43 43

Ø10 H9 Ø10 H9
10 10

 20 C C  20

20 20

40 40
35 35

D* D*
16 16

20 20

M10 M10

FD Max. Propelling Force

Bore (S) ETC
Catalog No./ Damping Size Stroke Tension Compression Max Mass A B
Model Direction mm mm N N Nm/hr Kg mm mm
∆ ADA 740M T, C or T and C 25 400 11 000 11 000 405 000 3,9 947 535
∆ ADA 745M T, C or T and C 25 450 11 000 8 800 444 000 4,2 1 049 586
∆ ADA 750M T, C or T and C 25 500 11 000 7 500 484 000 4,5 1 151 637
∆ ADA 755M T, C or T and C 25 550 11 000 6 200 524 000 4,8 1 253 688
∆ ADA 760M T, C or T and C 25 600 11 000 5 300 563 000 5,2 1 355 739
∆ ADA 765M T, C or T and C 25 650 11 000 4 500 603 000 5,5 1 457 790
∆ ADA 770M T, C or T and C 25 700 11 000 4 000 642 000 5,8 1 557 840
∆ ADA 775M T, C or T and C 25 750 11 000 3 500 681 000 6,1 1 659 891
∆ ADA 780M T, C or T and C 25 800 11 000 3 100 721 000 6,5 1 761 942
*Notes: 1. The maximum load capacity for mounting option D is 1 600 N.
2. ∆ = Non-standard lead time items, contact ITT Enidine.

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Rate Controls ADA
ADA Series
Accessories
Remote Adjustment Cable for ADA 500 Series
ITT Enidine will custom fit a remote adjustment cable for applications
where the ADA unit will be mounted in non-accessible locations.

Rate Controls
Contact ITT Enidine for more information.

Note: If rotary application, please complete application worksheet on page 104 and forward to ITT Enidine.

LA
Standard remote adjustment cable length is 1220 mm. Optional lengths available upon request.
Note: Remote adjustment cable can be used in a single position only.

Adjustable Cartridge Free Flow Plug Non-Adjustable Cartridge

ADJUSTABLE CARTRIDGE

Catalog No. Part Number Accessory Description LA mm Mass g

RAC48 1K495748 Remote Adjustment Cable 1 220 191

RAC4957 AJ4957325 Adjustable Cartridge Notes

NAC “x” NJ“x”4957327 Non-Adjustable Cartridge (0-6) “x” specify desired setting “0-6”. May be used in place of adjustable cartridge.

CW4957 2L4957302 Cartridge Wrench For installing adjustable and non-adjustable cartridges.

FFP4957 PA4957326 Free Flow Plug Provides least amount of damping force for ADA Models.

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 DA Rate Controls
DA Series
DA 705 ➞ DA 720 Series Technical Data
DA 75M x 50 ➞ DA 75M x 100 Series

ØB
Rate Controls

ØM ØM
ØD

ØT ØU

X V
W
F
L

ØB ØS ØD
ØM ØU
ØM

EXTENDED ØT

X V
W
F
L+STROKE

(S) FD ETC
Catalog No./ Damping Bore Size Stroke Max. Propelling Max. Mass
Model Direction mm mm N Nm/hr Kg
∆ DA 705 T, C or T and C 25,0 50,0 11 000 129 000 1,6
∆ DA 710 T, C or T and C 25,0 100,0 11 000 168 000 2,0
∆ DA 715 T, C or T and C 25,0 50,0 11 000 206 000 2,3
∆ DA 720 T, C or T and C 25,0 100,0 11 000 247 000 2,6
∆ DA 75M x 50 T, C or T and C 38,0 50,0 22 250 305 000 11,4
∆ DA 75M x 100 T, C or T and C 38,0 100,0 22 250 350 000 13,2
Note: ∆ = Non-standard lead time items, contact ITT Enidine.

Catalog No./ M T U
Model B D F L ±0,38 S ±0,38 ±0,25 V W X
mm mm mm mm mm mm mm mm mm mm mm
∆ DA 705 45,0 14,0 255,1 307,1 14,7 – 38,0 29,0 14,5 24,0 14,0
∆ DA 710 45,0 14,0 255,1 409,1 14,7 – 38,0 29,0 14,5 24,0 14,0
∆ DA 715 45,0 14,0 306,1 511,1 14,7 – 38,0 29,0 14,5 24,0 14,0
∆ DA 720 45,0 14,0 356,1 611,1 14,7 – 38,0 29,0 14,5 24,0 14,0
∆ DA 75M x 50 76,0 19,0 245 348 19,4 86,0 51,0 38,0 21,0 38,0 19,0
∆ DA 75M x 100 76,0 19,0 295 398 19,4 86,0 51,0 38,0 21,0 38,0 19,0
Notes: 1. DA Models will function at 10% of their maximum rated energy per cycle. If less than 10%, a smaller model should be specified.
2. Provide a positive stop 3 mm before end of stroke in tension and compression to prevent internal bottoming.
3. For optimal performance in vertical applications using compression, mount the rate control with the piston rod down.

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Rate Controls DA
DA Series
DA 75M ➞ TB 100M Series Technical Data
OPTIONAL PROTECTIVE SLEEVE,
TOW BAR (TB) MODELS ONLY

ØB *ØS ØD
ØM

Rate Controls
ØM

COMPRESSED ØT ØU

X
W V
F
**L

OPTIONAL PROTECTIVE SLEEVE,

TOW BAR (TB) MODELS ONLY

ØB *ØS ØD
ØM
ØM

EXTENDED ØT ØU

X V
W
F
**L+STROKE

(S) FD ET ETC
Catalog No./ Damping Bore Size Stroke Max. Propelling Max. Max. Mass
Model Direction mm mm N Nm/c Nm/hr Kg
∆ DA 75M x 150 T, C or T and C 38,0 150,0 22 250 3 360 406 000 15,0
∆ DA 75M x 200 T, C or T and C 38,0 200,0 22 250 4 480 463 000 16,8
∆ DA 75M x 250 T, C or T and C 38,0 250,0 22 250 5 600 508 000 18,6
∆ TB 100M x 100 T and C 57,2 100,0 44 482 4 480 497 133 14,5
∆ TB 100M x 150 T and C 57,2 150,0 44 482 6 779 497 133 14,5
Note: ∆ = Non-standard lead time items, contact ITT Enidine.

Catalog No./ M T U
Model B D F L ±0,38 S ±0,38 ±0,25 V W X
mm mm mm mm mm mm mm mm mm mm mm
∆ DA 75M x 150 76,0 19,0 345 448 19,4 86,0 51,0 38,0 21,0 38,0 19,0
∆ DA 75M x 200 76,0 19,0 395 498 19,4 86,0 51,0 38,0 21,0 38,0 19,0
∆ DA 75M x 250 76,0 19,0 445 548 19,4 86,0 51,0 38,0 21,0 38,0 19,0
∆ TB 100M x 100 70,0 25,4 480 616 19,1 82,6 63,5 38,0 19,1 38,0 19,0
∆ TB 100M x 150 70,0 25,4 480 565 19,1 82,6 63,5 38,0 19,1 38,0 19,0
Notes: 1. DA Models will function at 10% of their maximum rated energy per cycle. If less than 10%, a smaller model should be specified.
2. Provide a positive stop 3 mm before end of stroke in tension and compression to prevent internal bottoming.
3. For optimal performance in vertical applications using compression, mount the rate control with the piston rod down.
4. * ØS indicates outside diameter of optional protective sleeve for TB 100M x 100 models.
5. ** Dimension L is controlled by a 50 mm stroke limiter.

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WR Wire Rope Isolators
WR Series
Overview
Wire Rope Isolators

U.S. Patents 5,549,285

Wire Rope Isolators

Standard Wire Rope Isolators are comprised of stainless steel stranded cable threaded through aluminum alloy
retaining bars that are mounted for effective shock and vibration isolation. With their corrosion resistant, all-metal
construction, ITT Enidine Wire Rope Isolators are environmentally stable, high-performance shock and vibration
isolators that are unaffected by temperature extremes, chemicals, oils, ozone and abrasives.

Featuring a patented crimping pattern, versatile mounting options and a variety of sizes, these helical isolator products
can help ensure that your systems can effectively meet performance requirements in Commercial, Industrial, and Defense
industries, including MIL-STD-810, MIL-STD-167, MIL-S-901D, MIL-E-5400, STANAG-042, BV43-44 and DEF-STND
0755. For more information, please refer to our “Wire Rope Isolator Overview and Application Worksheet” on pages
107-108 to assist you in selecting a model for your application.

105 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR Series
Overview
Clamp Mount Screw

Wire Rope Isolators

Crimped Mount Bar
Wire Rope
Cable

Crimp

Outer
Mount Bar

Inner
Mount Bar

Wire Rope
Cable
Crimp Models (WR2 – WR8): Clamp Models (WR12 – WR40):
ITT Enidine’s patented crimp design lowers cost by using ITT Enidine’s clamp bar models are constructed by
fewer mount bars when compared to the clamp design, clamping the wire rope between two fastened
no assembly hardware, and reduced assembly time. mount bars.

Typical Applications

Piping Systems Cabinet Applications

Sensitive Electronics Isolation

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WR Wire Rope Isolators
WR Series
Materials and Finishes: Overview

Standard: Wire Rope: 302/304 Stainless Steel

Wire Rope Isolators

Mount Bars: 6061-T6 Aluminum, Chemical Conversion Coated per MIL-C-5541, Class 1A (RoHS Compliant)
Hardware: Alloy Steel per ASTM F835, Zinc Plated (WR12–WR40 Series)
Thread: Stainless Self Clinching Insert (WR2–WR8 Series), Threaded bar (WR12–WR40 Series)

Optional: Wire Rope: Galvanized or Nylon Coated Stainless

Mount Bars: 6061-T6 Aluminum, Anodized per MIL-A-8625, Type II, Class 1 (RoHS Compliant)
302/304 Stainless Steel per ASTM A276, Passivated
Hardware: 302/304 Stainless Steel (when stainless steel bars are specified) (WR12 – WR40)
Threads: Stainless Steel Helical Inserts, Free Running or Self Locking (WR3 – WR40)
Threaded Aluminum (WR2 – WR8)

Special: Consult ITT Enidine

Isolator Options:

Mounting: ITT Enidine offers a full range of mounting combinations of thru-hole, countersunk, and threaded bars.
All configurations are available in either Imperial or Metric styles. Add an “M” after the mounting option
for Metric. Some models have reduced mounting options available due to limited fastener installation space.
Consult ITT Enidine if a preferred mounting configuration is not listed.

Loops: ITT Enidine’s wire rope isolators can be purchased with the full number of loops, or as few as 2-Loops.
The number of loops is indicated in the isolator part number. Performance is provided for full loop isolators.
Performance for reduced loop isolators can be obtained by a simple ratio.

Bellmouth: ITT Enidine’s wire rope isolators are available with a “bellmouth” option. The bellmouth feature includes mount bars
with radii manufactured into the wire rope hole edges. This option is recommended for high fatigue applications.
Add an “R” to the end of the part number.
Performance:

Stiffness (Kv or Ks):

Wire rope isolators exhibit non-linear stiffness behavior. Small deflections, usually associated with vibration isolation, will have
a different spring rate than larger shock deflections. ITT Enidine publishes typical vibration stiffness values (Kv), and average shock
stiffness values (Ks) within the catalog. These values can be used with the provided equations listed on Page 108 to predict system
performance. The stiffness values listed in the catalog are for full-loop versions. For reduced loop versions, ratio the stiffness by
dividing the number of desired loops by the number of full loops.

Isolator Axes:
Wire rope isolators are multi-axis isolators. The diagram below includes load axis definitions and deflection considerations.

COMPRESSION 45º COMPRESSION/ROLL FIXED SHEAR FIXED ROLL

(for Wire Rope Isolators)
Damping: Typically 5-15%, depending on size and input level. For specific damping considerations, please consult ITT Enidine.
Mounting Orientation:
The diagrams below illustrate typical mounting orientations.

COMPRESSION 45º COMPRESSION/ROLL FIXED SHEAR FIXED ROLL

Stabilizers: (for Wire Rope Isolators)
Stabilizers are used to control deflections of tall supported masses. Stabilizers are typically recommended when the height equals
2-times the width or depth dimension. In most applications, the quantity of stabilizers required are half as many as the base
isolators, and selected one size softer than the base isolators.

107 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR Series
Application Worksheet

Wire Rope Isolators

APPLICATION WORKSHEET - INPUTS METRIC
METRIC
PART I: SYSTEM DATA:
1. Total Supported Load ( WT): WT = ________ Kg x 9,81 = ________ N

2. Number of Isolators (n): n = ________

3. Static Load per Isolator (W): W = WnT W = ________ N*

* Assumes a central CG
4. Load Axis: Compression Load Axis
Shear or Roll
45º Compression/Roll __________________

PART II: VIBRATION SIZING:

1. Input Excitation Frequency ƒi = ________ Hz ( = rpm )
60
ƒi
2. System Response Natural Frequency for 80% isolation: ƒn = = ________Hz
3,0

3. Maximum Isolator Vibration Stiffness: (Kv) Kv = W (2π ƒn)2 Kv = ________ N/m

g

g = 9,81 m/s2

4. Select an isolator by comparing calculated values with technical data for

the desired load axis provided in tables for each isolator.
a.) Calculated “W” must be less than the isolator’s max static load
and
b.) Isolator’s vibration stiffness must be less than the calculated maximum Kv

PART III: SHOCK SIZING:

1. Maximum Allowable Transmitted Acceleration: AT = ________G’s

2. Shock Input Velocity: V = ________ m/s

V = 2gh
Free Fall Impact:
g = 9,81 m/s2

h = Drop Height (m)

2
V
Dmin = g(A ) Dmin = ________m
3. Min. Isolator Response Deflection:
T

W(V/Dmin)2
4. Maximum Isolator Shock Stiffness: Ks = Ks = ________N/m
g

5. Select an isolator by comparing calculated values with technical data for

the desired load axis provided in tables for each isolator.
a.) Calculated “W” must be less than the isolator’s max static load
and
b.) Calculated Dmin must be less than the isolator’s max deflection
Note: Metric deflections are calculated in meters (m) and technical data is in millimeters (mm).
and
c.) Isolator’s shock stiffness must be less than calculated maximum “Ks”
V
6. Check actual deflection using “Ks” from technical data Ks(Isolator)g
to ensure that the isolator’s max deflection is Dactual = Dactual = ________m
W
not exceeded.

7. If isolator’s max deflection is exceeded, select another isolator and repeat steps 5 and 6.

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WR Wire Rope Isolators
WR2 Series
Technical Data

79,5
Wire Rope Isolators

68,3

Note: Dimensions are in mm

10,2
Tolerances are ± .0,25mm

4X Mounting Holes
See Mounting Options

“W”

4,1

ø1,6 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm
WR2-100 18 25 0,02 B, D, E
WR2-200 20 28 0,02
WR2-400 25 ± 1,52 30 0,03
WR2-600 28 33 0,03 A, B, C, D, E, S Ø4,7 ± 0,13 M4 X 0,7 90º
WR2-700 30 36 0,03
WR2-800 33 38 0,03

Model Number Ordering Code Mounting Options

WR2 - 400 - 10 D T M
Add “M” for Metric For C’sink and Threaded Options Thru C’sink Thru
A B C
Threaded Hole Options: [ ] - Flush Self Clinching Threaded Insert C’Sink C’sink Thread
[ T ] - Tapped

Mounting Options: See Chart

Number of Loops: 10 (Reduced Number of Loops Available) Thread Thread Thru

D E S
Isolator Size: See Sizing Table Thread C’sink Thru

Wire Rope Special Options • Maximum recommended torque for standard threaded insert is 0,7 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact • Operating Temperature Range: -100ºC to 260ºC
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.
• U.S. Patent 5,549,285

109 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR2 Series
Technical Data
Static

Wire Rope Isolators

Load vs. Deflection

Compression
1 Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
2
N mm kN/m kN/m

1 WR2-100-10 47 8,6 36 22

3
2 WR2-200-10 36 9,7 25 16
3 WR2-400-10 31 14,7 17 8,8
4 4 WR2-600-10 27 17,8 12 6,1
5 5 WR2-700-10 22 18,8 11 5,3
6 6 WR2-800-10 20 21,8 7,9 3,9

45º Compression/Roll
Max Max Kv Ks
1 Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
2
1 WR2-100-10 33 11,7 20 11,4
3 2 WR2-200-10 24 14,7 14 7,0

4
3 WR2-400-10 24 20,8 11 4,7

5
4 WR2-600-10 18 24,9 7,0 3,0

6
5 WR2-700-10 18 26,9 6,1 2,6
6 WR2-800-10 16 31,0 5,3 1,9

Shear/Roll

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm N/m kN/m
2
1 WR2-100-10 22 8,6 14 14
3 2 WR2-200-10 18 10,7 8,8 8,8

4
3 WR2-400-10 16 15,7 5,3 5,3
5 4 WR2-600-10 13 18,8 3,9 3,9
6 5 WR2-700-10 13 19,8 3,2 3,2
6 WR2-800-10 11 22,9 2,3 2,3

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

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WR Wire Rope Isolators
WR3 Series
Technical Data
112,3
Wire Rope Isolators

100,3

12,7
Note: Dimensions are in mm
Tolerances are ± 0,25mm
4X Mounting Holes
See Mounting Options

“W”

6,4

ø2,4 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm
WR3-100 23 28 0,06 B, D, E
WR3-200 25 30 0,07
WR3-400 28 33 0,07
± 1,52
WR3-600 33 38 0,07 A, B, C, D, E, S Ø5,3 ± 0,13 M5 X 0,8 90º
WR3-700 36 41 0,07
WR3-800 38 43 0,08

Model Number Ordering Code Mounting Options

WR3 - 400 - 10 D T M
Add “M” for Metric For C’sink and Threaded Options
Thru C’sink Thru
Threaded Hole Options: [ ] - Flush Self Clinching Threaded Insert A B C
[ T ] - Tapped C’Sink C’sink Thread
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Thread Thread Thru
Number of Loops: 10 (Reduced Number of Loops Available) D E S
Thread C’sink Thru
Isolator Size: See Sizing Table

Wire Rope Special Options

• Maximum recommended torque for standard threaded insert is 0,9 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact • Operating Temperature Range: -100ºC to 260ºC
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.
• U.S. Patent 5,549,285

111 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR3 Series
Technical Data
Static
Load vs. Deflection

Wire Rope Isolators

1
Compression
Max Max Kv Ks
2 Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
3
1 WR3-100-10 85 8,6 65 40
2 WR3-200-10 76 10,7 51 30

4
3 WR3-400-10 62 13,7 37 19

5
4 WR3-600-10 44 17,8 23 11

6
5 WR3-700-10 40 20,8 18 7,9
6 WR3-800-10 40 22,9 16 7,0

45º Compression/Roll
1
Max Max Kv Ks
2
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
3 1 WR3-100-10 62 12,7 38 20
2 WR3-200-10 53 15,7 28 14
4 3 WR3-400-10 44 18,8 21 9,6

5
4 WR3-600-10 36 25,9 13 5,6
6 5 WR3-700-10 31 27,9 11 4,4
6 WR3-800-10 27 32,0 9,6 3,5

Shear/Roll

1 Max Max Kv Ks

2
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

3 1 WR3-100-10 44 9,7 24 24
2 WR3-200-10 40 11,7 18 18
3 WR3-400-10 31 13,7 12 12
4 4 WR3-600-10 27 18,8 7,0 7,0
5 5 WR3-700-10 22 21,8 5,3 5,3
6 6 WR3-800-10 18 23,9 4,4 4,4

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

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WR Wire Rope Isolators
WR4 Series
Technical Data
127,0
Wire Rope Isolators

114,3

14,3 Note: Dimensions are in mm

Tolerances are ± 0,25mm
4X Mounting Holes
See Mounting Options

“W”

7,9

ø3,2 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm
WR4-100 28 36 0,12
B, D, E
WR4-200 30 38 0,12
WR4-400 33 41 0,13
WR4-500 36 43 0,13
± 1,52
WR4-600 38 46 0,13 A, B, C, D, E, S Ø6,9 ± 0,13 M6 X 1,0 90º
WR4-700 41 48 0,14
WR4-800 43 51 0,14

Model Number Ordering Code Mounting Options

WR4 - 400 - 10 D T M
Add “M” for Metric For C’sink and Threaded Options
Thru C’sink Thru
Threaded Hole Options: [ ] - Flush Self Clinching Threaded Insert A B C
[ T ] - Tapped C’Sink C’sink Thread
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Thread Thread Thru
Number of Loops: 10 (Reduced Number of Loops Available) D E S
Thread C’sink Thru
Isolator Size: See Sizing Table

Wire Rope Special Options

• Maximum recommended torque for standard threaded insert is 3,7 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact • Operating Temperature Range: -100ºC to 260ºC
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.
• U.S. Patent 5,549,285

113 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR4 Series
Technical Data
Static
Load vs. Deflection

Wire Rope Isolators

Compression
Max Max Kv Ks
1 Curve Model Static Load Deflection (vibration) (shock)
2 N mm kN/m kN/m

3 1 WR4-100-10 213 9,7 154 91

4 2 WR4-200-10 194 11,7 124 68
5 3 WR4-400-10 166 13,7 95 51
6 4 WR4-500-10 156 16,8 78 39
7 5 WR4-600-10 142 18,8 67 32
6 WR4-700-10 133 21,8 57 25
7 WR4-800-10 117 23,9 46 21

45º Compression/Roll
Max Max Kv Ks
1
Curve Model Static Load Deflection (vibration) (shock)
2 N mm kN/m kN/m

3 1 WR4-100-10 149 13,7 86 46

4 2 WR4-200-10 138 17,3 70 35
5 3 WR4-400-10 118 19,8 53 25
6 4 WR4-500-10 111 23,9 44 20
7 5 WR4-600-10 102 26,9 39 16
6 WR4-700-10 94 31,0 32 12
7 WR4-800-10 84 34,0 26 11

Shear/Roll
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
1 N mm kN/m kN/m
2
3
1 WR4-100-10 111 9,7 56 56

4
2 WR4-200-10 98 11,7 43 43

5
3 WR4-400-10 93 14,7 31 31

6
4 WR4-500-10 85 17,8 25 25
5 WR4-600-10 80 19,8 19 19
7 6 WR4-700-10 71 22,9 16 16
7 WR4-800-10 62 25,9 12 12

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44 114
WR Wire Rope Isolators
WR5 Series
Technical Data

127,0
Wire Rope Isolators

114,3

14,3 Note: Dimensions are in mm

Tolerances are ± 0,25mm
4X Mounting Holes
See Mounting Options

“W”

7,9

ø4,0 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight. Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm
WR5-200 30 41 0,15 B, D, E
WR5-400 33 ± 1,52 43 0,15
WR5-600 38 48 0,16
A, B, C, D, E, S Ø6,9 ± 0,13 M6 X 1,0 90º
WR5-800 46 53 0,17
± 3,30
WR5-900 53 64 0,18

Model Number Ordering Code Mounting Options

WR5 - 400 - 10 D T M
Add “M” for Metric For C’sink and Threaded Options
Thru C’sink Thru
Threaded Hole Options: [ ] - Flush Self Clinching Threaded Insert A B C
[ T ] - Tapped C’Sink C’sink Thread
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Thread Thread Thru
Number of Loops: 10 (Reduced Number of Loops Available) D E S
Thread C’sink Thru
Isolator Size: See Sizing Table

Wire Rope Special Options

• Maximum recommended torque for standard threaded insert is 4,3 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact • Operating Temperature Range: -100ºC to 260ºC
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.
• U.S. Patent 5,549,285

115 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR5 Series
Technical Data
Static
Load vs. Deflection

Wire Rope Isolators

Compression
1 Max Max Kv Ks
2
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

3 1 WR5-200-10 364 12,7 222 117

2 WR5-400-10 309 14,7 170 88
4 3 WR5-600-10 257 19,8 116 54
4 WR5-800-10 216 24,9 84 37
5 5 WR5-900-10 172 32,0 58 23

45º Compression/Roll
1
Max Max Kv Ks
2 Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
3
1 WR5-200-10 254 17,8 123 60

4
2 WR5-400-10 218 21,8 96 42
3 WR5-600-10 182 27,9 66 28

5
4 WR5-800-10 151 35,6 48 18
5 WR5-900-10 115 44,7 31 11

Shear/Roll

1 Max Max Kv Ks

2
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

3
1 WR5-200-10 178 12,7 73 73
2 WR5-400-10 156 15,7 53 53
3 WR5-600-10 133 20,8 33 33
4 4 WR5-800-10 111 25,9 23 23
5 WR5-900-10 40 33,5 7,9 7,9

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

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WR Wire Rope Isolators
WR6 Series
Technical Data
127,0

114,3
Wire Rope Isolators

14,3 Note: Dimensions are in mm

Tolerances are ± 0,25mm
4X Mounting Holes
See Mounting Options

“W”

9,5

ø4,8 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm
WR6-200 30 36 0,19
D
WR6-300 33 38 0,20
WR6-400 36 41 0,21 B, D, E
WR6-500 38 ± 1,52 43 0,21
WR6-600 41 46 0,22
WR6-700 43 48 0,25 A, B, C, D, E, S Ø6,9 ± 0,13 M6 X 1,0 90º
WR6-800 51 58 0,26
WR6-850 54 75 0,27
WR6-900 62 ± 3,30 88 0,28
WR6-950 81 107 0,29

Model Number Ordering Code Mounting Options

WR6 - 400 - 10 D T M
Add “M” for Metric For C’sink and Threaded Options
Thru C’sink Thru
Threaded Hole Options: [ ] - Flush Self Clinching Threaded Insert A B C
[ T ] - Tapped C’Sink C’sink Thread
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Thread Thread Thru
Number of Loops: 10 (Reduced Number of Loops Available) D E S
Thread C’sink Thru
Isolator Size: See Sizing Table

Wire Rope Special Options

• Maximum recommended torque for standard threaded insert is 4,3 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact • Operating Temperature Range: -100ºC to 260ºC
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.
• U.S. Patent 5,549,285

117 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR6 Series
Technical Data
Static
Load vs. Deflection

Wire Rope Isolators

Compression
1
2
Max Max Kv Ks

3
Curve Model Static Load Deflection (vibration) (shock)

4
N mm kN/m kN/m

5 1 WR6-200-10 734 8,6 578 363

6 2 WR6-300-10 712 11,7 455 252

7
3 WR6-400-10 601 13,7 347 189
4 WR6-500-10 578 15,7 301 152

8
5 WR6-600-10 512 18,8 244 117

9
6 WR6-700-10 489 20,8 212 96
7 WR6-800-10 365 26,9 136 58
10 8 WR6-850-10 236 29,5 82 33
9 WR6-900-10 178 36,6 54 21
10 WR6-950-10 120 52,8 29 10

45º Compression/Roll
1 Max Max Kv Ks
2
3
Curve Model Static Load Deflection (vibration) (shock)

4
N mm kN/m kN/m

5 1 WR6-200-10 534 12,7 341 179

6 2 WR6-300-10 512 16,8 258 126

7
3 WR6-400-10 432 19,8 197 93
4 WR6-500-10 409 22,9 172 75

8
5 WR6-600-10 373 26,9 141 58
6 WR6-700-10 350 29,0 123 49
9 7 WR6-800-10 260 38,1 77 28
10 8 WR6-850-10 177 41,7 49 18
9 WR6-900-10 136 51,3 33 11
10 WR6-950-10 91 74,7 18 5,3

Shear/Roll
1
2
Max Max Kv Ks
3
Curve Model Static Load Deflection (vibration) (shock)
4 N mm kN/m kN/m
5
6
1 WR6-200-10 356 8,6 224 224
2 WR6-300-10 356 11,7 156 156

7
3 WR6-400-10 334 14,7 112 112
4 WR6-500-10 311 16,8 93 93
5 WR6-600-10 289 19,8 70 70
6 WR6-700-10 267 21,8 60 60
8 7 WR6-800-10 200 27,9 35 35
9
10
8 WR6-850-10 58 31,0 11 11
9 WR6-900-10 40 38,1 5,3 5,3
10 WR6-950-10 22 55,9 2,3 2,3

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44 118
WR Wire Rope Isolators
WR8 Series
Technical Data
146,1

131,1
Wire Rope Isolators

15,9 Note: Dimensions are in mm

Tolerances are ± 0,25mm
4X Mounting Holes
See Mounting Options

“W”

12,7

ø6,4 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm
WR8-200 48 56 0,38
WR8-400 54 64 0,41
WR8-500 59 ± 2,54 71 0,43
WR8-600 64 80 0,47 A, B, C, D, E, S Ø6,9 ± 0,13 M6 X 1,0 90º
WR8-700 64 89 0,52
WR8-800 67 95 0,54
WR8-850 67 ± 3,81 100 0,57
WR8-900 83 108 0,59

Model Number Ordering Code Mounting Options

WR8 - 400 - 08 D T M
Add “M” for Metric For C’sink and Threaded Options
Thru C’sink Thru
Threaded Hole Options: [ ] - Flush Self Clinching Threaded Insert A B C
[ T ] - Tapped C’Sink C’sink Thread
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Thread Thread Thru
Number of Loops: 08 (Reduced Number of Loops Available) D E S
Thread C’sink Thru
Isolator Size: See Sizing Table

Wire Rope Special Options

• Maximum recommended torque for standard threaded insert is 4,3 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact • Operating Temperature Range: -100ºC to 260ºC
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.
• U.S. Patent 5,549,285

119 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR8 Series
Technical Data
Static
Load vs. Deflection

Wire Rope Isolators

Compression
1
Max Max Kv Ks

2
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

3 1 WR8-200-08 778 17,8 382 182

4 2 WR8-400-08 667 23,9 266 116
5
6
3 WR8-500-08 556 29,0 196 79

7
4 WR8-600-08 445 32,0 151 60

8
5 WR8-700-08 386 32,0 127 51
6 WR8-800-08 351 35.6 109 42
7 WR8-850-08 325 35.6 100 39
8 WR8-900-08 297 50,8 74 25

45º Compression/Roll
Max Max Kv Ks
1 Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
2
1 WR8-200-08 556 25,9 215 89
3 2 WR8-400-08 467 34,0 151 58
4
5 3 WR8-500-08 390 39,6 109 40
6 4 WR8-600-08 321 45,7 86 30
7 5 WR8-700-08 273 45,7 72 25
8 6 WR8-800-08 248 50,8 61 21
7 WR8-850-08 229 50,8 56 19
8 WR8-900-08 209 71,6 41 12

Shear/Roll
1
Max Max Kv Ks

2
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
3 1 WR8-200-08 423 18,8 110 110
4 2 WR8-400-08 356 24,9 72 72
5 6 3 WR8-500-08 311 30,0 49 49
7 4 WR8-600-08 245 34,0 37 37
8 5 WR8-700-08 222 34,0 32 32
6 WR8-800-08 200 38,1 25 25
7 WR8-850-08 178 38,1 23 23
8 WR8-900-08 156 52,8 16 16

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44 120
WR Wire Rope Isolators
WR12 Series 6-Loop
Technical Data
169,2 ±.08
155,6
111,1
Wire Rope Isolators

44,5

Note: Dimensions are in mm

25,4
Tolerances are ± 0,25mm

8X Mounting Holes
See Mounting Options

“W”

16,3 (Ref)

ø9,5 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm
WR12-206 71 84 0,83
WR12-306 74 89 0,85
WR12-406 76 105 0,90
+ 0,13
WR12-506 83 ± 2,54 108 0,95 A, B, C, D, E, S Ø7,1 M6 X 1,0 90º
- 0,38
WR12-606 89 108 0,98
WR12-706 105 121 1,07
WR12-806 108 140 1,12

Model Number Ordering Code Mounting Options

WR12 - 406 - 06 D H M
Add “M” for Metric For C’sink and Threaded Options
Thru C’sink Thru
A B C
Threaded Hole Options: [ ] - Tapped C’Sink C’sink Thread
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Number of Loops: 06 (Reduced Number of Loops Available) Thread Thread Thru

D E S
Isolator Size: See Sizing Table Thread C’sink Thru

Wire Rope Special Options • Maximum recommended torque for threaded bar 10 Nm

Optional materials for the wire rope and mount bars are available upon request. Possibilities include • Operating Temperature Range: -100ºC to 260ºC
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.

121 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR12 Series 6-Loop
Technical Data

Static

Wire Rope Isolators

Load vs. Deflection

Compression

1 Max Max Kv Ks
2
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

1 WR12-206-06 1 090 34,0 275 135

3
2 WR12-306-06 1 023 37,1 240 114

4 3 WR12-406-06 801 40,1 180 84

5
4 WR12-506-06 734 44,7 154 68
5 WR12-606-06 712 49,8 137 60
6 6 WR12-706-06 396 66,0 65 25
7 7 WR12-806-06 320 68,1 51 19

45º Compression/Roll
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
1
N mm kN/m kN/m
2 1 WR12-206-06 890 47,8 177 77

3 4
2 WR12-306-06 823 51,8 156 67

5
3 WR12-406-06 667 55,9 120 49
4 WR12-506-06 623 63,0 103 40
5 WR12-606-06 601 71,1 92 35
6 6 WR12-706-06 341 91,9 44 16
7 7 WR12-806-06 280 95.0 36 12

Shear/Roll
Max Max Kv Ks
1 Curve Model Static Load Deflection (vibration) (shock)
2
N mm kN/m kN/m

1 WR12-206-06 689 36,1 98 132

3 2 WR12-306-06 645 39,1 84 113
4 3 WR12-406-06 489 42,2 58 78

5 4 WR12-506-06 467 47,2 49 66

5 WR12-606-06 445 52,8 44 59

6
6 WR12-706-06 200 68,1 20 27

7
7 WR12-806-06 156 71,1 15 20

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44 122
WR Wire Rope Isolators
WR12 Series
Technical Data
215,9 ±0,8

155,6
Wire Rope Isolators

111,1
44,5

Note: Dimensions are in mm

Tolerances are ± 0,25mm
25,4

4X Mounting Holes
See Mounting Options

“W”

16,3 (Ref)

ø9,5 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm
WR12-200 71 84 1,10
WR12-300 74 89 1,13
WR12-400 76 105 1,20
+ 0,13
WR12-500 83 ± 2,54 108 1,26 A, B, C, D, E, S Ø9,0 *M8 X 1,25 90º
- 0,38
WR12-600 89 108 1,30
WR12-700 105 121 1,43
WR12-800 108 140 1,50
* Tapped M8 x 1.25, Inserts M6 x 1.0

Model Number Ordering Code Mounting Options

WR12 - 400 - 08 D H M
Add “M” for Metric All Mounting Options Thru C’sink Thru
A B C
Threaded Hole Options: [ ] - Tapped C’Sink C’sink Thread
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Number of Loops: 08 (Reduced Number of Loops Available) Thread Thread Thru

D E S
Isolator Size: See Sizing Table Thread C’sink Thru

Wire Rope Special Options • Maximum recommended torque for threaded bar is 20 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact • Operating Temperature Range: -100ºC to 260ºC
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.

123 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR12 Series
Technical Data
Static
Load vs. Deflection

Wire Rope Isolators

1
Compression
2 Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

3 1 WR12-200-08 1 468 34,0 366 179

4 2 WR12-300-08 1 357 37,1 320 152)
5 3 WR12-400-08 1 068 40,1 242 110
4 WR12-500-08 979 44,7 205 91
6 5 WR12-600-08 934 49,8 182 79

7
6 WR12-700-08 534 66,0 86 33
7 WR12-800-08 423 68,1 67 26

45º Compression/Roll
Max Max Kv Ks
1 Curve Model Static Load Deflection (vibration) (shock)
2
N mm kN/m kN/m

3
1 WR12-200-08 1 179 47,8 236 103
4
5
2 WR12-300-08 1 090 51,8 208 88
3 WR12-400-08 890 55,9 159 65
4 WR12-500-08 823 63,0 137 54

6
5 WR12-600-08 778 71,1 123 47

7
6 WR12-700-08 467 91,9 60 21
7 WR12-800-08 373 95.0 47 16

Shear/Roll
1 Max Max Kv Ks
2
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

3
1 WR12-200-08 912 36,1 130 130

4
2 WR12-300-08 867 39,1 112 112

5
3 WR12-400-08 667 42,2 77 77
4 WR12-500-08 623 47,2 65 65
5 WR12-600-08 601 52,8 60 60
6 6 WR12-700-08 267 68,1 27 27
7 7 WR12-800-08 200 71,1 19 (19

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44 124
WR Wire Rope Isolators
WR16 Series 6-Loop
Technical Data
177,8 ±0,8
155,6
111,1
Wire Rope Isolators

44,5

Note: Dimensions are in mm

25,4 Tolerances are ± 0,25mm

8X Mounting Holes
See Mounting Options

“W”

19,6 (Ref)

ø12,7 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm
WR16-206 76 92 1,36
WR16-306 83 102 1,43
WR16-406 89 105 1,50
WR16-606 95
± 2,54
121 1,67 A, B, C, D, E, S Ø9,0 +0.13 *
M8 X 1,25 90º
-0,38
WR16-706 108 133 1,81
WR16-806 124 144 2,02
WR16-856 137 156 2,18
WR16-906 155 180 2,31
* Tapped M8 x 1.25, Inserts M7 x 1.0

Model Number Ordering Code Mounting Options

WR16 - 406 - 06 D H M
Add “M” for Metric For C’sink and Threaded Options
Thru C’sink Thru
A B C
Threaded Hole Options: [ ] - Tapped C’Sink C’sink Thread
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Number of Loops: 06 (Reduced Number of Loops Available) Thread Thread Thru

D E S
Isolator Size: See Sizing Table Thread C’sink Thru

Wire Rope Special Options • Maximum recommended torque for threaded bar is 20 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
• Operating Temperature Range: -100ºC to 260ºC
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.

125 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR16 Series 6-Loop
Technical Data
Static

Wire Rope Isolators

Load vs. Deflection

Compression

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
2
3
1 WR16-206-06 3 556 32,0 931 458
2 WR16-306-06 2 864 38,1 663 311
4 3 WR16-406-06 2 697 43,2 576 261
5 4 WR16-606-06 2 082 48,8 412 177
6 5 WR16-706-06 1 688 59,9 294 119
7 6 WR16-806-06 1 419 74,7 216 79
8 7 WR16-856-06 1 191 85,9 162 57
8 WR16-906-06 912 102,6 111 37

45º Compression/Roll
1 Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
2
N mm kN/m kN/m
3
1 WR16-206-06 1 935 44,7 405 177
4 2 WR16-306-06 1 624 52,8 298 126

5
3 WR16-406-06 1 535 61,0 263 105
4 WR16-606-06 1 223 68,6 194 74
6
7
5 WR16-706-06 1 045 84,8 144 51

8
6 WR16-806-06 912 105,7 110 37
7 WR16-856-06 801 121,9 88 28
8 WR16-906-06 623 144,8 62 19

Shear/Roll
Max Max Kv Ks
1 Curve Model Static Load Deflection (vibration) (shock)
2
N mm kN/m kN/m

3 1 WR16-206-06 1 043 33,0 154 154

4
2 WR16-306-06 856 40,1 109 109
3 WR16-406-06 794 45,2 91 91

5
4 WR16-606-06 638 50,8 64 64

6
5 WR16-706-06 420 56,9 42 42

7
6 WR16-806-06 311 77,7 32 32

8
7 WR16-856-06 234 90,9 23 23
8 WR16-906-06 156 107,7 16 16

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44 126
WR Wire Rope Isolators
WR16 Series
215,9 ±0,8
Technical Data
155,6
111,1
Wire Rope Isolators

44,5

Note: Dimensions are in mm

Tolerances are ± 0,25mm
25,4

8X Mounting Holes
See Mounting Options

“W”

19,6 (Ref)

ø12,7 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm
WR16-200 76 92 1,81
WR16-300 83 102 1,91
WR16-400 89 105 2,00
+0.13
WR16-600 95 121 2,22 A, B, C, D, E, S Ø9.0 *M8 X 1,25 90º
± 2,54 - 0.38
WR16-700 108 133 2,40
WR16-800 124 144 2,70
WR16-850 137 156 2,90
WR16-900 155 180 3,09
* Tapped M8 x 1.25, Inserts M7 x 1.0

Model Number Ordering Code Mounting Options

WR16 - 400 - 08 D H M
Add “M” for Metric For C’sink and Threaded Options Thru C’sink Thru
A B C
Threaded Hole Options: [ ] - Tapped C’Sink C’sink Thread
[ T ] - Tapped
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Thread Thread Thru
Number of Loops: 08 (Reduced Number of Loops Available) D E S
Thread C’sink Thru
Isolator Size: See Sizing Table

Wire Rope Special Options • Maximum recommended torque for threaded bar is 20 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include • Operating Temperature Range: -100ºC to 260ºC
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.

127 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR16 Series
Technical Data
Static
Load vs. Deflection

Wire Rope Isolators

Compression
1 Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
2 N mm kN/m kN/m
3
1 WR16-200-08 4 742 32,0 1 241 612
4 2 WR16-300-08 3 809 38,1 884 416
5 3 WR16-400-08 3 586 43,2 766 348

6 4 WR16-600-08 2 776 48,8 548 235

7 5 WR16-700-08 2 251 59,9 391 157
8 6 WR16-800-08 1 908 74,7 287 106
7 WR16-850-08 1 588 85,9 217 77
8 WR16-900-08 1 201 102,6 148 49

45º Compression/Roll
1 Max Max Kv Ks

2
Curve Model Static Load Deflection (vibration) (shock)

3
N mm kN/m kN/m

4
1 WR16-200-08 2 580 44,7 539 236

5
2 WR16-300-08 2 157 52,8 398 168

6
3 WR16-400-08 2 046 61,0 349 138

7
4 WR16-600-08 1 624 68,6 259 98

8
5 WR16-700-08 1 401 84,8 193 68
6 WR16-800-08 1 223 105,7 147 49
7 WR16-850-08 1 068 121,9 117 37
8 WR16-900-08 823 144,8 83 25

Shear/Roll
1
Max Max Kv Ks

2
Curve Model Static Load Deflection (vibration) (shock)

3
N mm kN/m kN/m

4
1 WR16-200-08 2 055 33,0 206 206
2 WR16-300-08 1 199 40,1 145 145
5 3 WR16-400-08 1 090 45,2 121 121

6
4 WR16-600-08 841 50,8 85 85

7
5 WR16-700-08 560 56,9 56 56

8
6 WR16-800-08 420 77,7 42 42
7 WR16-850-08 311 90,9 32 32
8 WR16-900-08 202 107,7 21 21

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44 128
WR Wire Rope Isolators
WR20 Series
Technical Data
266,7 ±0,8

191,1
Wire Rope Isolators

136,5
54,6

Note: Dimensions are in mm

Tolerances are ± 0,25mm
25,4

8X Mounting Holes
See Mounting Options

“W”

27,6 (Ref)

ø.15,9
(Ref) “H”

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm
WR20-200 89 102 3,00 C, D
WR20-300 99 112 3,20
WR20-400 102 121 3,40
WR20-600 109 ± 3,30 135 3,70 A, B, C, D, E, S Ø11,0 + 0,13 M10 X 1,5 90º
- 0,38
WR20-700 119 152 4,00
WR20-800 127 165 4,31
WR20-900 135 178 4,63

Model Number Ordering Code Mounting Options

WR20 - 400 - 08 D H M
Add “M” for Metric For C’sink and Threaded Options Thru C’sink Thru
A B C
Threaded Hole Options: [ ] - Tapped C’Sink C’sink Thread
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Number of Loops: 08 (Reduced Number of Loops Available) Thread Thread Thru

D E S
Isolator Size: See Sizing Table Thread C’sink Thru

Wire Rope Special Options • Maximum recommended torque for threaded bar is 50 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include • Operating Temperature Range: -100ºC to 260ºC
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.

129 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR20 Series
Technical Data
Static

Wire Rope Isolators

Load vs. Deflection

Compression
Max Max Kv Ks

1
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

2
3
1 WR20-200-08 6 450 31,8 1 676 849
2 WR20-300-08 5 471 38,1 1 259 609
4 3 WR20-400-08 5 071 41,9 1 105 504
5 4 WR20-600-08 4 204 49,5 821 356
6 5 WR20-700-08 3 514 58,4 616 252
7 6 WR20-800-08 3 180 67,3 511 196
7 WR20-900-08 2 802 73,7 427 159

45º Compression/Roll

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)

2
N mm kN/m kN/m

3 1 WR20-200-08 4 537 45,7 951 419

4 2 WR20-300-08 3 981 54,6 741 305

5
3 WR20-400-08 3 581 59,7 627 250

6
4 WR20-600-08 2 980 71,1 468 177

7 5 WR20-700-08 2 491 83,8 350 124

6 WR20-800-08 2 246 94,0 285 98
7 WR20-900-08 1 979 101,6 238 81

Shear/Roll
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
1
N mm kN/m kN/m
2
3
1 WR20-200-08 3 514 34,3 524 524

4
2 WR20-300-08 3 025 40,6 375 375

5
3 WR20-400-08 2 624 43,2 308 308
4 WR20-600-08 2 135 52,1 215 215
6 5 WR20-700-08 1 512 61,0 152 152
7 6 WR20-800-08 1 223 69,9 123 123
7 WR20-900-08 979 76,2 98 98

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

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WR Wire Rope Isolators
WR28 Series
Technical Data
368,3 ±0,8

266,7
Wire Rope Isolators

190,5
76,2

Note: Dimensions are in mm

Tolerances are ± 0,25mm
38,1

8X Mounting Holes
See Mounting Options

“W”

40,0 (Ref)

ø22,2 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
in. mm in. mm Kg mm mm
WR28-200 133 140 8,40 C, D
WR28-400 152 165 9,53
WR28-600 159
± 6,35
178 9,90 A, B, C, D, E, S Ø13,5 + 0,13 M12 X 1,75 90º
- 0,38
WR28-800 191 210 11,50
WR28-900 216 235 12,70
WR28-950 216 286 13,90

Model Number Ordering Code Mounting Options

WR28 - 400 - 08 D H M
Add “M” for Metric For C’sink and Threaded Options Thru C’sink Thru
A B C
Threaded Hole Options: [ ] - Tapped C’Sink C’sink Thread
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Number of Loops: 08 (Reduced Number of Loops Available) Thread Thread Thru

D E S
Isolator Size: See Sizing Table Thread C’sink Thru

Wire Rope Special Options • Maximum recommended torque for threaded bar 100 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include • Operating Temperature Range: -100ºC to 260ºC
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.

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Wire Rope Isolators WR
WR28 Series
Technical Data
Static

Wire Rope Isolators

Load vs. Deflection

Compression
1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
kN mm kN/m kN/m
2
3 1 WR28-200-08 12,28 50,8 2 362 1 010
2 WR28-400-08 9,43 67,3 1 513 585
4 3 WR28-600-08 8,45 74,9 1 270 469

5
4 WR28-800-08 6,54 102,9 800 263

6
5 WR28-900-08 5,43 125,7 585 180
6 WR28-950-08 3,74 125,7 377 138

45º Compression/Roll
Max Max Kv Ks
1 Curve Model Static Load Deflection (vibration) (shock)
kN mm kN/m kN/m

2 1 WR28-200-08 8,72 72,4 1 348 503

3 2 WR28-400-08 6,67 96,5 860 289
3 WR28-600-08 6,01 105,4 718 235
4 4 WR28-800-08 4,45 144,8 448 131
5
6
5 WR28-900-08 3,25 177,8 327 89
6 WR28-950-08 2,11 177,8 212 70

Shear/Roll
1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
kN mm kN/m kN/m
2
3 1 WR28-200-08 6,14 53,3 618 618
2 WR28-400-08 3,54 71,1 356 356

4
3 WR28-600-08 2,89 77,5 291 291
4 WR28-800-08 1,62 108,0 163 163
5 5 WR28-900-08 1,11 132,1 112 112

6 6 WR28-950-08 0,76 132,1 77 77

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

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WR Wire Rope Isolators
WR36 Series
520,7 ±0,8
Technical Data
377,8
Wire Rope Isolators

269,9

108,0

Note: Dimensions are in mm

Tolerances are ± 0,25mm
50,8

8X Mounting Holes
See Mounting Options

“W”

52,5 (Ref)

ø28,6 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm
WR36-200 178 216 20,9
WR36-400 216 ± 6,35 241 24,0 A, B, C, D, E, S Ø19.8 + 0,13 M18 X 2,5 90º
- 0,38
WR36-600 235 260 25,0

Model Number Ordering Code Mounting Options

WR36 - 400 - 08 D H M
Add “M” for Metric For C’sink and Threaded Options
Thru C’sink Thru
A B C
Threaded Hole Options: [ ] - Tapped C’Sink C’sink Thread
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Number of Loops: 08 (Reduced Number of Loops Available) Thread Thread Thru

D E S
Isolator Size: See Sizing Table Thread C’sink Thru

Wire Rope Special Options • Maximum recommended torque for threaded bar is 300 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
• Operating Temperature Range: -100ºC to 260ºC
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.

133 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR36 Series
Technical Data
Static
Load vs. Deflection

Wire Rope Isolators

Compression
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
kN mm kN/m kN/m
1

2
1 WR36-200-08 16,86 67,3 2 706 1 044

3
2 WR36-400-08 14,50 102,9 1 774 583
3 WR36-600-08 12,77 119,4 1 415 445

45º Compression/Roll
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
1 kN mm kN/m kN/m

2
1 WR36-200-08 11,97 96,5 1 541 518

3
2 WR36-400-08 9,88 144,8 993 292
3 WR36-600-08 7,96 168,9 799 222

Shear/Roll
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
1
kN mm kN/m kN/m

2 1 WR36-200-08 6,32 71,1 636 636

3 2 WR36-400-08 3,60 108,0 361 361
3 WR36-600-08 2,74 125,7 275 275

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

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WR Wire Rope Isolators
WR40 Series
Technical Data
520,7 ±0,8

377,8
Wire Rope Isolators

269,9

108,0

Note: Dimensions are in mm

Tolerances are ± 0,25mm
50,8

8X Mounting Holes
See Mounting Options

“W”

52,5 (Ref)

ø31,8 “H”
(Ref)

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm Kg mm mm

WR40-200 178 210 24,0

± 6,35 A, B, C, D, E, S Ø19,8 +0,13 M18 X 2,5 90º
-0,38
WR40-400 216 248 27,2

Model Number Ordering Code Mounting Options

WR40 - 400 - 08 D H M
Add “M” for Metric For C’sink and Threaded Options Thru C’sink Thru
A B C
Threaded Hole Options: [ ] - Tapped C’Sink C’sink Thread
[ H ] - Helical Insert, Free Running
[ L ] - Helical Insert, Self Locking

Mounting Options: See Chart

Number of Loops: 08 (Reduced Number of Loops Available) Thread Thread Thru

D E S
Isolator Size: See Sizing Table Thread C’sink Thru

Wire Rope Special Options • Maximum recommended torque for threaded bar is 300 Nm

Optional materials for the wire rope and mount bars are available upon request. Possibilities include • Operating Temperature Range: -100ºC to 260ºC
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 107.

135 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Wire Rope Isolators WR
WR40 Series
Technical Data
Static
Load vs. Deflection

Wire Rope Isolators

Compression
Max Max Kv Ks
1
Curve Model Static Load Deflection (vibration) (shock)
kN mm kN/m kN/m

2
1 WR40-200-08 21,62 67,3 3 468 1 338
2 WR40-400-08 17,61 96,5 2 236 758

45º Compression/Roll
Max Max Kv Ks
1 Curve Model Static Load Deflection (vibration) (shock)
kN mm kN/m kN/m

2 1 WR40-200-08 15,30 96,5 1 968 664

2 WR40-400-08 12,41 137,2 1 256 378

Shear/Roll
Max Max Kv Ks
1
Curve Model Static Load Deflection (vibration) (shock)
kN mm kN/m kN/m

2 1 WR40-200-08 8,32 71,1 839 839

2 WR40-400-08 4,64 101,6 468 468

Notes: Performance provided for full loop models with standard (302/304) stainless steel cable.
Consult ITT Enidine for other options. Do not extrapolate curves.

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 CR Compact Wire Rope Isolators
CR Series
Overview
Compact Wire Rope Isolators

U.S. Patents 6,290,217

6,244,579

Compact Wire Rope Isolators

For the best in vibration isolation capabilities, choose ITT Enidine’s Compact Wire Rope Isolators. Smaller than
traditional wire ropes, these unique isolators provide cost-effective, simultaneous shock and vibration attenuation
where package space is at a premium.

ITT Enidine Compact Wire Rope Isolators feature an easy, single-point installation, which allows them to be installed
in virtually any application. Their small size also permits the isolation of individual system components, making
them ideal for use in sensitive equipment and electronics. Just as with our standard ITT Enidine Wire Rope Isolators,
ITT Enidine Compact Wire Rope Isolators feature a patented, all-metal design and components that ensure maximum
reliability, regardless of temperature or substrate requirement, and that can help meet MILSPECS similar to those of
our Wire Rope Isolator series. Please refer to our “Compact Wire Rope Isolator Overview and Application Worksheet”
on pages 139-140 for more information.

If your application is outside the standard Compact Wire Rope Isolator product range, please consult the standard
Wire Rope Isolator or HERM portions of this catalog. If a standard solution is still not available, ITT Enidine engineers
can design an isolator to suit your specifications.

For further information on ITT Enidine Wire Rope, HERM and Compact Wire Rope Isolator products, technical
assistance and pricing, please contact ITT Enidine or your nearest authorized distributor. A list of ITT Enidine
distributors can be found by visiting our website at www.enidine.eu.

137 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Compact Wire Rope Isolators CR
CR Series
Overview

Compact Wire Rope Isolators

Crimp Mounting Hole

Mounting Hole Top Mounting

Bar
Top Mounting
Bar

CR1 – CR3 CR4 – CR6

Bottom Mounting Stainless Steel
Bar Cable Bottom Mounting Stainless Steel
Bar Cable

Typical Applications

Electronic Motor Isolation Custom Components

Medical Equipment

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 CR Compact Wire Rope Isolators
CR Series
Overview
Materials and Finishes:
Compact Wire Rope Isolators

Standard: Wire Rope: 302/304 Stainless Steel

Mount Bars: 6061-T6 Aluminum, Chemical Conversion Coated per MIL-C-5541, Class 1A (RoHS Compliant)
Threads: Tapped

Optional: Mount Bars: 6061-T6 Aluminum, Anodized per MIL-A-8625, Type II, Class 1 (RoHS Compliant)
302/304 Stainless Steel per ASTM A276, Passivated

Special: Consult ITT Enidine

Isolator Options:

Mounting: ITT Enidine offers a full range of mounting combinations of thru-hole, countersunk, and threaded bars.
All configurations are available in either Imperial or Metric styles. Add an “M” after the mounting option
for Metric. Some models have reduced mounting options available due to limited fastener installation space.
Consult ITT Enidine if a preferred mounting configuration is not listed.

Bellmouth: The bellmouth feature includes mount bars with radii manufactured into the wire rope hole edges. This option is
recommended for high fatigue applications. Compact rope models (CR1 – CR6) include this feature as the standard.

Performance:

Stiffness (Kv or Ks):

Compact wire rope isolators exhibit non-linear stiffness behavior. Small deflections, usually associated with vibration isolation, will
have a different spring rate than larger shock deflections. ITT Enidine publishes typical vibration stiffness values (Kv), and average
shock stiffness values (Ks) within the catalog. These values can be used with the provided equations listed on Page 140 to predict
system performance.

Isolator Axes:
Compact wire rope isolators are multi-axis isolators. The diagram below includes load axis definitions and deflection considerations.

COMPRESSION 45º COMPRESSION/ROLL FIXED ROLL/SHEAR

Damping: Typically 5-15%, depending on size and input level. For specific damping considerations, please consult ITT Enidine.

Mounting Orientation:
The diagrams below illustrate typical mounting orientations.

COMPRESSION 45º COMPRESSION/ROLL FIXED ROLL/SHEAR

Stabilizers:
Stabilizers are used to control deflections of tall supported masses. Stabilizers are typically recommended when the height equals
2-times the width or depth dimension. In most applications, the quantity of stabilizers required are half as many as the base
isolators, and selected one size softer than the base isolators.

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Compact Wire Rope Isolators CR
CR Series
Application Worksheet

Compact Wire Rope Isolators

APPLICATION WORKSHEET - INPUTS METRIC
METRIC
PART I: SYSTEM DATA:
1. Total Supported Load ( WT): WT = ________ Kg x 9,81 = ________ N

2. Number of Isolators (n): n = ________

3. Static Load per Isolator (W): W = WnT W = ________ N*

* Assumes a central CG
4. Load Axis: Compression Load Axis
Shear or Roll
45º Compression/Roll __________________

PART II: VIBRATION SIZING:

1. Input Excitation Frequency ƒi = ________ Hz ( = rpm )
60
ƒi
2. System Response Natural Frequency for 80% isolation: ƒn = = ________Hz
3,0

3. Maximum Isolator Vibration Stiffness: (Kv) Kv = W (2π ƒn)2 Kv = ________ N/m

g

g = 9,81 m/s2

4. Select an isolator by comparing calculated values with technical data for

the desired load axis provided in tables for each isolator.
a.) Calculated “W” must be less than the isolator’s max static load
and
b.) Isolator’s vibration stiffness must be less than the calculated maximum Kv

PART III: SHOCK SIZING:

1. Maximum Allowable Transmitted Acceleration: AT = ________G’s

2. Shock Input Velocity: V = ________ m/s

V = 2gh
Free Fall Impact:
g = 9,81 m/s2

h = Drop Height (m)

2
V
Dmin = g(A ) Dmin = ________m
3. Min. Isolator Response Deflection:
T

W(V/Dmin)2
4. Maximum Isolator Shock Stiffness: Ks = Ks = ________N/m
g

5. Select an isolator by comparing calculated values with technical data for

the desired load axis provided in tables for each isolator.
a.) Calculated “W” must be less than the isolator’s max static load
and
b.) Calculated Dmin must be less than the isolator’s max deflection
Note: Metric deflections are calculated in meters (m) and technical data is in millimeters (mm).
and
c.) Isolator’s shock stiffness must be less than calculated maximum “Ks”
V
6. Check actual deflection using “Ks” from technical data Ks(Isolator)g
to ensure that the isolator’s max deflection is Dactual = Dactual = ________m
W
not exceeded.

7. If isolator’s max deflection is exceeded, select another isolator and repeat steps 5 and 6.

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 CR Compact Wire Rope Isolators
CR1 Series
Technical Data
Compact Wire Rope Isolators

11,2

Note: Dimensions are in mm

Tolerances are ± 0,25mm
9,7

“W” (Ref)

4,1
(Typ)

“H” ø1,2
(Ref)

9,7
16,3

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm g mm
CR1-100 17 19 3,1
CR1-200 19 20 3,1
± 1,52 A, B, C, D, E, S Ø3,30 M3 X 0,5 90º
CR1-300 23 23 3,4
CR1-400 26 26 3,4

Model Number Ordering Code Mounting Options

CR1 - 400 - D M
Add “M” for Metric For C’sink and Threaded Options C’sink C’sink Thread
A B C
Mounting Options: See Chart Thru C’sink Thru

Isolator Size: See Sizing Table

Thread C’sink Thru
D E S
Thread Thread Thru

Wire Rope Special Options • Maximum recommended torque for tapped aluminum bar is 1,2 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include • Wire Rope Material: Stranded 300 series stainless steel
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 139. • Operating Temperature Range: -100ºC to 260ºC

• U.S. Patent 6,290,217

141 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Compact Wire Rope Isolators CR
CR1 Series
Technical Data

Compact Wire Rope Isolators

Static
Load vs. Deflection

Compression

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
2
1 CR1-100 3,3 6,4 3,9 1,9
2 CR1-200 2,4 8,4 2,8 1,2
3 3 CR1-300 1,8 11,9 1,75 0,61

4
4 CR1-400 1,3 15,0 1,31 0,39

45º Compression/Roll
1 Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
2 1 CR1-100 1,6 8,6 2,1 0,79
2 CR1-200 1,1 10,9 1,5 0,44
3 3 CR1-300 0,76 14,7 0,88 0,26
4 CR1-400 0,49 18,3 0,53 0,12

Shear/Roll

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

2 1 CR1-100 1,1 7,9 0,70 0,70

2 CR1-200 0,89 9,9 0,44 0,44
3 3 CR1-300 0,71 13,2 0,26 0,26
4 CR1-400 0,53 16,3 0,13 0,13

Note: Do not extrapolate plotted curves.

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 CR Compact Wire Rope Isolators
CR2 Series
Technical Data
Compact Wire Rope Isolators

11,2

Note: Dimensions are in mm

Tolerances are ± 0,25mm
9,7

“W” (Ref)

4,1
(Typ)

“H” ø1,6
(Ref)

9,7
16,3

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm g mm mm
CR2-100 16 20 3,7
CR2-200 19 21 4,0
± 1,52 A, B, C, D, E, S Ø3,30 M3 X 0,5 90º
CR2-300 23 24 4,3
CR2-400 27 27 4,5

Model Number Ordering Code Mounting Options

CR2 - 400 - D M
Add “M” for Metric For C’sink and Threaded Options C’sink C’sink Thread
A B C
Mounting Options: See Chart Thru C’sink Thru

Isolator Size: See Sizing Table

Thread C’sink Thru
D E S
Thread Thread Thru

Wire Rope Special Options • Maximum recommended torque for tapped aluminum bar is 1,2 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact • Wire Rope Material: Stranded 300 series stainless steel
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 139.
• Operating Temperature Range: -100ºC to 260ºC

• U.S. Patent 6,290,217

143 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Compact Wire Rope Isolators CR
CR2 Series
Technical Data

Compact Wire Rope Isolators

Static
Load vs. Deflection

Compression
Max Max Kv Ks
1 Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
2
1 CR2-100 12 5,8 11 6,1
2 CR2-200 9,3 8,4 8,8 4,0
3 3 CR2-300 6,7 11,7 5,3 1,9
4 4 CR2-400 4,9 15,7 3,5 1,2

45º Compression/Roll
1 Max Max Kv Ks
2
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

1 CR2-100 5,8 8,1 6,1 2,8

3 2 CR2-200 4,9 10,9 5,3 1,9
3 CR2-300 3,3 14,5 3,2 1,0

4
4 CR2-400 2,2 19,1 1,9 0,51

Shear/Roll

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
2
1 CR2-100 5,6 7,4 3,0 3,0

3
2 CR2-200 4,0 9,9 1,8 1,8
3 CR2-300 2,9 13,0 1,1 1,1
4 4 CR2-400 2,0 17,3 0,53 0,53

Note: Do not extrapolate plotted curves.

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 CR Compact Wire Rope Isolators
CR3 Series
Technical Data
Compact Wire Rope Isolators

12,7

Note: Dimensions are in mm

Tolerances are ± 0,25mm
9,7

“W” (Ref)

4,8
(Typ)

“H” ø2,4
(Ref)

9,7 19,3

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm g mm mm
CR3-100 19 22 5,7
CR3-200 23 24 6,2
± 1,52 A, B, C, D, E, S Ø3,30 M3 X 0,5 90º
CR3-300 27 27 6,8
CR3-400 33 30 7,4

Model Number Ordering Code Mounting Options

CR3 - 400 - D M
Add “M” for Metric For C’sink and Threaded Options C’sink C’sink Thread
A B C
Mounting Options: See Chart Thru C’sink Thru

Isolator Size: See Sizing Table

Thread C’sink Thru
D E S
Thread Thread Thru

Wire Rope Special Options • Maximum recommended torque for tapped aluminum bar is 1,5 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact • Wire Rope Material: Stranded 300 series stainless steel
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 139.
• Operating Temperature Range: -100ºC to 260ºC

• U.S. Patent 6,290,217

145 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Compact Wire Rope Isolators CR
CR3 Series
Technical Data

Compact Wire Rope Isolators

Static
Load vs. Deflection

Compression

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
2 1 CR3-100 29 7,1 24 12
2 CR3-200 22 10,4 12 6,1
3 3 CR3-300 18 14,2 8,4 3,5

4
4 CR3-400 11 19,3 5,8 1,9

45º Compression/Roll
1 Max Max Kv Ks

2
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

1 CR3-100 12 9,4 14 5,3

3
2 CR3-200 10 13,2 8,8 3,2
3 CR3-300 6,7 17,3 5,8 1,8

4
4 CR3-400 4,4 22,9 3,5 0,91

Shear/Roll
1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)

2
N mm kN/m kN/m

1 CR3-100 12 8,4 6,1 6,1

2 CR3-200 8,5 11,9 3,5 3,5
3 3 CR3-300 6,2 15,5 1,8 1,8
4 4 CR3-400 4,4 20,6 1,1 1,1

Note: Do not extrapolate plotted curves.

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 CR Compact Wire Rope Isolators
CR4 Series
Technical Data
Compact Wire Rope Isolators

34,0

Note: Dimensions are in mm

Tolerances are ± 0,25mm

25,4

“W” (Ref)

9,4

“H” ø3,2
(Ref)

5,1

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm g mm mm
CR4-100 42 47 40
CR4-200 53 54 40 A, B, C, D, E, S Ø7,00 M6 X 1,0 90º
± 1,52
CR4-300 60 59 43
CR4-400 75 68 48

Model Number Ordering Code Mounting Options

CR4 - 400 - D M Thru C’sink Thru
Add “M” for Metric All Mounting Options
A B C
Mounting Options: See Chart
C’sink C’sink Thread
Isolator Size: See Sizing Table Thread Thread Thru

D E S

Thread C’sink Thru

Wire Rope Special Options • Maximum recommended torque for tapped aluminum bar is 7,5 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact • Wire Rope Material: Stranded 300 series stainless steel
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 139.
• Operating Temperature Range: -100ºC to 260ºC

• U.S. Patent 6,244,579

147 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Compact Wire Rope Isolators CR
CR4 Series
Technical Data

Compact Wire Rope Isolators

Static
Load vs. Deflection

Compression
Max Max Kv Ks
1
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

1 CR4-100 24 19,6 12 5,8

2
2 CR4-200 18 29,7 6,0 2,5
3 CR4-300 13 35,8 4,4 1,6
3 4 CR4-400 6.7 49,3 2,2 0,70

45º Compression/Roll
1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

1 CR4-100 11 19,3 6,4 2,8

2 2 CR4-200 6,7 29,5 3,1 1,1

3
3 CR4-300 5,3 37,1 2,2 0,70
4 CR4-400 3,6 52,3 1,1 0,35

Shear/Roll
1 Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)

2
N mm kN/m kN/m

1 CR4-100 8,5 17,3 1,9 1,9

3 2 CR4-200 7,1 26,4 1,1 1,1
3 CR4-300 5,3 33,3 0,70 0,70
4 4 CR4-400 3,3 47,0 0,35 0,35

Note: Do not extrapolate plotted curves.

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 CR Compact Wire Rope Isolators
CR5 Series
Technical Data
Compact Wire Rope Isolators

35,1

Note: Dimensions are in mm

Tolerances are ± 0,25mm

25,4

“W” (Ref)

9,9

“H” ø4,0
(Ref)

5,1

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm g mm mm
CR5-100 41 48 45
CR5-200 53 54 48
± 1,52 A, B, C, D, E, S Ø7,00 M6 X 1,0 90º
CR5-300 60 59 51
CR5-400 76 67 57

Model Number Ordering Code Mounting Options

CR5 - 400 - D M Thru C’sink Thru
Add “M” for Metric All Mounting Options
A B C
Mounting Options: See Chart
C’sink C’sink Thread
Isolator Size: See Sizing Table Thread Thread Thru

D E S

Thread C’sink Thru

Wire Rope Special Options • Maximum recommended torque for tapped aluminum bar is 7,5 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact • Wire Rope Material: Stranded 300 series stainless steel
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 139.
• Operating Temperature Range: -100ºC to 260ºC

• U.S. Patent 6,244,579

149 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Compact Wire Rope Isolators CR
CR5 Series
Technical Data

Compact Wire Rope Isolators

Static
Load vs. Deflection

Compression

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

1 CR5-100 80 19,6 22 11

2
2 CR5-200 38 28,7 11 4,4
3 CR5-300 27 34,8 7,9 3,2
3 4 CR5-400 16 49,3 4,4 1,4

45º Compression/Roll
1 Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

1 CR5-100 24 18,3 12 6,1

2 2 CR5-200 13 28,4 5,3 2,3

3
3 CR5-300 11 36,1 3,6 1,4
4 CR5-400 6,7 53,8 1,9 0,70

1
Shear/Roll
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
2
1 CR5-100 20 16,5 25 4,4 4,4
3 2 CR5-200 13 25,7 12 2,1 2,1
3 CR5-300 11 32,5 8 1,4 1,4

4
4 CR5-400 6,7 48,5 0,70 0,70

Note: Do not extrapolate plotted curves.

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 CR Compact Wire Rope Isolators
CR6 Series
Technical Data
Compact Wire Rope Isolators

35,8

Note: Dimensions are in mm

Tolerances are ± 0,25mm

25,4

“W” (Ref)

10,2

“H” ø4,8
(Ref)

5,1

Height Width Ref

Size “W” Unit Weight Mounting Thru Hole Thread C’sink
“H” Options
mm mm g mm mm
CR6-100 47 54 57
CR6-200 55 59 62 A, B, C, D, E, S Ø7,00 M6 X 1,0 90º
± 1,52
CR6-300 64 64 65
CR6-400 79 73 74

Model Number Ordering Code Mounting Options

CR6 - 400 - D M Thru C’sink Thru
Add “M” for Metric All Mounting Options
A B C
Mounting Options: See Chart
C’sink C’sink Thread
Isolator Size: See Sizing Table Thread Thread Thru

D E S

Thread C’sink Thru

Wire Rope Special Options • Maximum recommended torque for tapped aluminum bar is 7,5 Nm
Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact • Wire Rope Material: Stranded 300 series stainless steel
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 139.
• Operating Temperature Range: -100ºC to 260ºC

• U.S. Patent 6,244,579

151 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Compact Wire Rope Isolators CR
CR6 Series
Technical Data

Compact Wire Rope Isolators

Static
Load vs. Deflection

Compression
1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
2
N mm kN/m kN/m

1 CR6-100 142 22,1 32 16

3 2 CR6-200 93 29,5 20 9,6
3 CR6-300 67 37.6 15 5,3
4 CR6-400 36 51,6 7,9 2,6
4

45º Compression/Roll

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
2
1 CR6-100 40 22,9 16 7,9
2 CR6-200 33 30,5 9,6 5,3
3 3 CR6-300 22 38,1 7,9 2,8
4 CR6-400 13 53,3 3,5 1,2

Shear/Roll

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
2 1 CR6-100 40 20,6 7,9 7,9

3
2 CR6-200 31 27,4 4,4 4,4
3 CR6-300 22 34,3 2,6 2,6
4 CR6-400 16 48,0 1,6 1,6
4

Note: Do not extrapolate plotted curves.

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 HR HERM (High Energy Rope Mount)
HR6-HR40 Series
Overview
HERM (High Energy Rope Mount)

HR-40
HR-28

HR-16

HR-20 HR-6
HR-12

The HERM isolator incorporates the use of a traditional ITT Enidine helical wire rope isolator encased in a proprietary
elastomeric compound. The stainless steel cable of the mount provides for a rugged construction, while the elastomer
provides additional damping and stiffness. This unique design results in a fail safe mount with a higher stiffness and
energy absorption capacity.

The mount is readily scalable and performance easily tuned by varying the wire diameter, loop size, number of loops
and elastomeric properties. The HERM isolator has proven particularly strong in low natural frequency “soft deck”
applications of 12-16 Hz, reducing output G’s to below 15G’s. Its sealed nature of construction also provides for easy
NBC washdown. Since the mounting size of the HERM isolator is virtually identical to that of standard wire rope
isolators used in many shipboard applications, equipment upgrades are both simple and seamless with drop-in
replacement capability.

153 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
HERM (High Energy Rope Mount) HR
HR6-HR40 Series
Overview

HERM (High Energy Rope Mount)

Mounting Holes

Overmolded
Elastomer

Wire Rope
Cable

Mounting Bars

HERM Features:

• A variety of material combinations available

• Mounting identical to traditional

Wire Rope Isolators

• Readily “tunable” to meet a wide

range of natural frequencies

• Greater load carrying capability

HERM HERM Benefits:

• Easy retrofit on fielded equipment

• Fewer mounts required to support

a given load

• Smaller “footprint” than other mounts

• Compatible with NBC wash

down requirements

• Improved noise attenuation compared

to standard Wire Rope Isolators

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 HR HERM (High Energy Rope Mount)
HR Series
Overview
HERM (High Energy Rope Mount)

Materials and Finishes:

Standard: Elastomer: Proprietary ITT Enidine Compound

Wire Rope: 302/304 Stainless Steel
Mount Bars: 6061-T6 Aluminum, Chemical Conversion Coated per MIL-C-5541, Class 1A (RoHS Compliant)
Hardware: Alloy Steel per ASTM F835, Zinc Plated (HR16, HR20, HR28 and HR40)

Optional: Mount Bars: 6061-T6 Aluminum, Anodized per MIL-A-8625, Type II, Class 1 (RoHS Compliant)
302/304 Stainless Steel per ASTM A276, Passivated
Hardware: 302/304 Stainless Steel (when stainless steel Bars are specified)

Special: Consult ITT Enidine

Isolator Options:

Mounting: ITT Enidine offers various mounting combinations of thru-hole, countersunk, and threaded bars
depending upon the HERM model selected.
Consult ITT Enidine if a preferred mounting configuration is not listed.

Performance:

Stiffness (Kv or Ks):

HERM’s exhibit non-linear stiffness behavior. Small deflections, usually associated with vibration isolation, will have a different spring
rate than larger shock deflections. ITT Enidine publishes typical vibration stiffness values (Kv), and average shock stiffness values (Ks)
within the catalog. These values can be used with the provided equations listed on Page 156 to predict system performance.

Isolator Axes:
HERM are multi-axis isolators. The diagram below includes load axis definitions and deflection considerations.

COMPRESSION 45º COMPRESSION/ROLL FIXED SHEAR FIXED ROLL

Damping: Typically 15-25%, depending on size and input level. For specific damping considerations, please consult ITT Enidine.

Mounting Orientation:
The diagrams below illustrate typical mounting orientations.

COMPRESSION 45º COMPRESSION/ROLL FIXED SHEAR FIXED ROLL

Stabilizers:
Stabilizers are used to control deflections of tall supported masses. Stabilizers are typically recommended when the height equals
2-times the width or depth dimension.

155 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
HERM (High Energy Rope Mount) HR
HR Series
Application Worksheet

HERM (High Energy Rope Mount)

APPLICATION WORKSHEET - INPUTS METRIC
METRIC
PART I: SYSTEM DATA:
1. Total Supported Load ( WT): WT = ________ Kg x 9,81 = ________ N

2. Number of Isolators (n): n = ________

3. Static Load per Isolator (W): W = WnT W = ________ N*

* Assumes a central CG
4. Load Axis: Compression Load Axis
Shear or Roll
45º Compression/Roll ___________________

PART II: VIBRATION SIZING:

1. Input Excitation Frequency ƒi = ________ Hz ( = rpm )
60
ƒi
2. System Response Natural Frequency for 80% isolation: ƒn = = ________Hz
3,0

3. Maximum Isolator Vibration Stiffness: (Kv) Kv = W (2π ƒn)2 Kv = ________ N/m

g

g = 9,81 m/s2

4. Select an isolator by comparing calculated values with technical data for

the desired load axis provided in tables for each isolator.
a.) Calculated “W” must be less than the isolator’s max static load
and
b.) Isolator’s vibration stiffness must be less than the calculated maximum Kv

PART III: SHOCK SIZING:

1. Maximum Allowable Transmitted Acceleration: AT = ________G’s

2. Shock Input Velocity: V = ________ m/s

V = 2gh
Free Fall Impact:
g = 9,81 m/s2

h = Drop Height (m)

2
V
Dmin = g(A ) Dmin = ________m
3. Min. Isolator Response Deflection: T

W(V/Dmin)2
4. Maximum Isolator Shock Stiffness: Ks = Ks = ________N/m
g

5. Select an isolator by comparing calculated values with technical data for

the desired load axis provided in tables for each isolator.
a.) Calculated “W” must be less than the isolator’s max static load
and
b.) Calculated Dmin must be less than the isolator’s max deflection
Note: Metric deflections are calculated in meters (m) and technical data is in millimeters (mm).
and
c.) Isolator’s shock stiffness must be less than calculated maximum “Ks”
V
6. Check actual deflection using “Ks” from technical data Ks(Isolator)g
to ensure that the isolator’s max deflection is Dactual = Dactual = ________m
W
not exceeded.

7. If isolator’s max deflection is exceeded, select another isolator and repeat steps 5 and 6.

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 HR HERM (High Energy Rope Mount)
HR6 Series
Technical Data
HERM (High Energy Rope Mount)

63,5

2X Lower Mounting
Holes

2X 22,2 ±1,3

1X Upper
Mounting Hole

44,5 ±2,5 81,3 ±2,5

30,5 50,8 ±2,5

(Ref)

2X 10,2

85,7 ±2,5

Note: Dimensions are in mm Tolerances are ± 0,25mm

Size Unit Weight Mounting Thru Hole Thread C’sink

Kg Options mm mm
HR6-600 0,2
HR6-400 0,2 B, D, E, F Ø6,9 M6 X 1,0 90º
HR6-200 0,2

Model Number Ordering Code Mounting Options

HR6 - 200 - B L M
Add “M” for Metric All Mounting Options
C’sink Thread
Threaded Hole Options: [ L ] - Helical, Locking, Dry Film Lubricated B D
[ H ] - Helical, Free Running C’sink Thread

Mounting Options: See Chart

Isolator Model: See Sizing Table

Thread C’sink
E F
C’sink Thread

Wire Rope Special Options • Meets environmental requirements of MIL-M-17185A

Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 155.

157 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
HERM (High Energy Rope Mount) HR
HR6 Series
Technical Data

HERM (High Energy Rope Mount)

Static
Load vs. Deflection

Compression
Max Max Kv Ks

1
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

2
1 HR6-600 107 28,4 38 25

3
2 HR6-400 80 28,4 29 19
3 HR6-200 62 28,4 23 15

Roll

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

2 1 HR6-600 160 30,5 40 29

2 HR6-400 116 30,5 25 22
3 3 HR6-200 80 30,5 14 17

Shear
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
1 N mm kN/m kN/m

1 HR6-600 151 30,5 37 26

2
2 HR6-400 89 30,5 21 18
3 HR6-200 58 30,5 11 12

Note: Do not extrapolate plotted curves.

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 HR HERM (High Energy Rope Mount)
HR8 Series
Technical Data
HERM (High Energy Rope Mount)

2X 3.360 (85,3)

4X Mounting
Holes

4X .79 ±.05 (20,1 ±1.3)

2.60 ± .10 (66,0 ±2,5) 3.90 ± .10 (99,1 ±2,5)

1.40 (35,6) 2.50 ±.10 (63,5 ±2.5)

(Ref)

2X .55 (14,0)

2X 4.16 ± .10 (105,7 ±2,5)

Note: Dimensions are in inches (mm) Tolerances are ± 0,010 (± 0,25mm)

Unit Weight
Size lbs. Mounting Thru Hole Thread C’sink
(Kg) Options mm mm
HR8-600 0,4
HR8-400 0,4 1.7
B, (48)
D, E 6,9 ±0,13 M6 X 1,0 90º
HR8-200 0,4 1.8 (51)

Model Number Ordering Code Mounting Options

HR8 -200 - B L M
Add “M” for Metric All Mounting Options
C’sink Thread Thread
Threaded Hole Options: [ L ] - Helical, Locking, Dry Film Lubricated B D E
[ H ] - Helical, Free Running C’sink Thread C’sink

Mounting Options: See Chart

Isolator Model: See Sizing Table

• Meets environmental requirements of MIL-M-17185A

Wire Rope Special Options

Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 155.

159 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
HERM (High Energy Rope Mount) HR
HR8 Series
Technical Data

HERM (High Energy Rope Mount)

Static
Load vs. Deflection

Compression

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

2
1 HR8-600 267 33,1 84 53
2 HR8-400 191 33,1 61 39
3 HR8-200 133 33,1 41 26
3

Roll
Max Max Kv Ks
1
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

2
1 HR8-600 178 35,6 23 28
2 HR8-400 120 35,6 16 19
3 HR8-200 67 35,6 9 11

Shear
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
1
N mm kN/m kN/m

1 HR8-600 302 35,6 40 43

2 2 HR8-400 214 35,6 28 30
3 HR8-200 107 35,6 14 17

Note: Do not extrapolate plotted curves.

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 HR HERM (High Energy Rope Mount)
HR12 Series
Technical Data
HERM (High Energy Rope Mount)

2X 101,6

4X Mounting
Holes

4X 30.0 ±1,3

76,2 ±2,5 111,3 ±2,5

41,9 76,2 ±2.5

(Ref)

17,2

2X 127,0 ±2,5

Note: Dimensions are in mm Tolerances are ± 0,25mm

Size Unit Weight Mounting Thru Hole Thread C’sink

Kg Options mm mm
HR12-600 0,8
HR12-400 0,8 B, D, E Ø9,0 ±0,13 M8 X 1,25 90º
HR12-200 0,8

Model Number Ordering Code Mounting Options

HR12 -200 - B L M
Add “M” for Metric All Mounting Options
C’sink Thread Thread
Threaded Hole Options: [ L ] - Helical, Locking, Dry Film Lubricated B D E
[ H ] - Helical, Free Running C’sink Thread C’sink

Mounting Options: See Chart

Isolator Model: See Sizing Table

• Meets environmental requirements of MIL-M-17185A

Wire Rope Special Options

Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 155.

161 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
HERM (High Energy Rope Mount) HR
HR12 Series
Technical Data

HERM (High Energy Rope Mount)

Static
Load vs. Deflection

Compression
Max Max Kv Ks
1 Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

2 1 HR12-600 689 38,1 204 121

2 HR12-400 512 38,1 151 89

3
3 HR12-200 356 38,1 102 60

Roll
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
1
1 HR12-600 534 38,1 79 75
2 2 HR12-400 400 38,1 59 57
3 HR12-200 245 38,1 35 34

Shear
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
1
1 HR12-600 645 38,1 97 84
2 2 HR12-400 467 38,1 72 63
3 HR12-200 222 38,1 34 30

Note: Do not extrapolate plotted curves.

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HR HERM (High Energy Rope Mount)
HR16, 8.0 Series
Technical Data
HERM (High Energy Rope Mount)

2X 155,6

2X 111,1

2X 44,5

8X Mounting Holes

203,2 ±2,5 165,1 ±2,5

2X 19,6 (Ref)

93,0 139,7 ±2,5

(Ref)

Note: Dimensions are in mm Tolerances are ± 0,25mm

Size Unit Weight Mounting Thru Hole C’sink

Kg Option mm
HR16-606 4,0
±0,13
HR16-406 3,4 B Ø8,3 82º
±0,38
HR16-206 2,7

Model Number Ordering Code Mounting Option

HR16 -206 - B P
C’sink
Mount Bar Options: *[ ] - 6061-T6 Aluminum (or Equiv.) B
Chem Conv. Coated C’sink
[ Y ] - 6061-T6 Aluminum (or Equiv.)
Anodized
[ P ] - 302/304 Stainless Steel (or Equiv.)
Passivated
• Meets environmental requirements of MIL-M-17185A
Mounting Option: See Chart

Isolator Model: See Sizing Table

* Standard features. Any non-standard items may require longer lead times. Call for quotation.

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HERM (High Energy Rope Mounts) HR
HR16, 8.0 Series
Technical Data

HERM (High Energy Rope Mount)

Static
Load vs. Deflection

Compression
Max Max Kv Ks
1
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

1 HR16-606 1 624 88,9 261 123

2
2 HR16-406 1 001 88,9 159 74
3 HR16-206 556 88,9 91 43

Roll
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)

1
N mm kN/m kN/m

1 HR16-606 1 134 88,9 73 83

2 HR16-406 601 88,9 39 44
2 3 HR16-206 289 88,9 18 21

Shear
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

1 1 HR16-606 2 891 88,9 1 065 187 195

2 HR16-406 1 535 88,9 565 99 121

2
3 HR16-206 734 88,9 275 48 45

Note: Do not extrapolate plotted curves.

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 HR HERM (High Energy Rope Mount)
HR16, 9.5 Series
Technical Data
HERM (High Energy Rope Mount)

2X 155,6

2X 111,1

2X 44,5

8X Mounting Holes

241,3 ±2,5 165,1 ±2,5

2X 19,6 (Ref)

93,0 139,7 ±2,5

(Ref)

Note: Dimensions are in mm Tolerances are ± 0,25mm

Size Unit Weight Mounting Thru Hole C’sink

Kg Option mm
HR16-600 4,8
±0,13
HR16-400 4,1 B Ø8,3 82º
±0,38
HR16-200 3,4

Model Number Ordering Code Mounting Option

HR16 -200 - B
Mounting Option: See Chart C’sink
B
Isolator Model: See Sizing Table C’sink

Wire Rope Special Options • Meets environmental requirements of MIL-M-17185A

Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 155.

165 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
HERM (High Energy Rope Mount) HR
HR16, 9.5 Series
Technical Data

HERM (High Energy Rope Mount)

Static
Load vs. Deflection

Compression
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
1
N mm kN/m kN/m

1 HR16-600 2 424 88,9 389 181

2 HR16-400 1 379 88,9 221 103
2 3 HR16-200 623 88,9 100 47

Roll

1
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

1 HR16-600 1 668 88,9 108 123

2 HR16-400 823 88,9 53 61

2
3 HR16-200 311 88,9 20 24

Shear
Max Max Kv Ks
1
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m

1 HR16-600 4 270 88,9 276 290

2 HR16-400 2 135 88,9 138 152
2 3 HR16-200 823 88,9 53 52

Note: Do not extrapolate plotted curves.

www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44 166
 HR HERM (High Energy Rope Mount)
HR20 Series
Technical Data
HERM (High Energy Rope Mount)

2X 191,1

2X 136,5

2X 54,6

8X Mounting Holes

279,4 ±5,1 235,0 ±5,1

26,9 (Ref)

105,4
(Ref) 165,1 ±2,5

Note: Dimensions are in mm Tolerances are ± 0,25mm

Size Unit Weight Mounting Thru Hole C’sink

Kg Option mm
HR20-600 9,5
±0,13
HR20-400 8,2 B Ø10,3 82º
±0,38
HR20-200 6,4

Model Number Ordering Code Mounting Option

HR20 -200 - B
Mounting Option: See Chart C’sink
B
Isolator Model: See Sizing Table C’sink

Wire Rope Special Options • Meets environmental requirements of MIL-M-17185A

Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 155.

167 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
HERM (High Energy Rope Mount) HR
HR20 Series
Technical Data

HERM (High Energy Rope Mount)

Static
Load vs. Deflection

Compression
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
1 N mm kN/m kN/m

1 HR20-600 3 114 101,6 415 218

2
2 HR20-400 1 935 101,6 259 136
3 HR20-200 734 101,6 99 52

Roll
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
1 N mm kN/m kN/m

1 HR20-600 1 601 101,6 103 118

2
2 HR20-400 1 023 101,6 67 76
3 HR20-200 400 101,6 25 29

Shear
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
N mm kN/m kN/m
1
1 HR20-600 4 115 101,6 265 252

2
2 HR20-400 2 869 101,6 186 170
3 HR20-200 1 023 101,6 67 62

Note: Do not extrapolate plotted curves.

www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44 168
 HR HERM (High Energy Rope Mount)
HR28 Series
Technical Data
HERM (High Energy Rope Mount)

2X 266,7

2X 190,5

2X 76,2

8X Mounting Holes

374,7 ±6,4 240,0 ± 6,4

2X 40,1 (Ref)

95,3
(Ref) 184,2 ±6,4

Note: Dimensions are in mm Tolerances are ± 0,25mm

Size Unit Weight Mounting Thru Hole C’sink

Kg Option mm
HR28-600 23
±0,13
HR28-400 18 B Ø13,5 82º
±0,38
HR28-200 14

Model Number Ordering Code Mounting Option

HR28 - 200 - B
Mounting Option: See Chart C’sink
B
Isolator Model: See Sizing Table C’sink

Wire Rope Special Options

Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 155.

169 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
HERM (High Energy Rope Mount) HR
HR28 Series
Technical Data

HERM (High Energy Rope Mount)

Static
Load vs. Deflection

Compression
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
1
kN mm kN/m kN/m

1 HR28-600 17,79 95,3 2 603 1 266

2 HR28-400 10,56 95,3 1 562 759
2 3 HR28-200 3,87 95,3 573 278

Roll
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
kN mm kN/m kN/m

1
1 HR28-600 4,94 95,3 319 549
2 HR28-400 2,98 95,3 192 329
3 HR28-200 1,09 95,3 70 121
2

Shear
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
kN mm kN/m kN/m
1
1 HR28-600 13,26 95,3 854 1 106
2 HR28-400 7,96 95,3 512 664

2
3 HR28-200 2,91 95,3 187 244

Note: Do not extrapolate plotted curves.

www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44 170
 HR HERM (High Energy Rope Mount)
HR40 Series
Technical Data
HERM (High Energy Rope Mount)

2X 377,8

2X 269,9

2X 108,0

8X Mounting Holes

546,1 ± 5,1 304,8 ±5,1

2X 50,8 (Ref)

127,0 228,6 ±2,5

(Ref)

Note: Dimensions are in mm Tolerances are ± 0,25mm

Size Unit Weight Mounting Thru Hole C’sink

Kg Option mm
HR40-600 45
±0,13
HR40-400 38 B Ø19,8 82º
±0,38
HR40-200 30

Model Number Ordering Code Mounting Option

HR40 -200 - B
Mounting Option: See Chart C’sink
B
Isolator Model: See Sizing Table
C’sink

Wire Rope Special Options • Meets environmental requirements of MIL-M-17185A

Optional materials for the wire rope and mount bars are available upon request. Possibilities include
galvanized rope, bell mouth mount bars or stainless steel rope and mount bars. Please contact
ITT Enidine to discuss in more detail. Minimum purchase quantities may apply. See page 155.

171 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
HERM (High Energy Rope Mount) HR
HR40 Series
Technical Data

HERM (High Energy Rope Mount)

Static
Load vs. Deflection

Compression
100
Max Max Kv Ks
Curve Model Static Load Deflection (vibration) (shock)
1
80 kN mm kN/m kN/m

1 HR40-600 23,80 120,7 2 793 1 403

60
2 HR40-400 12,90 120,7 1 513 760
k

2 3 HR40-200 4,56 120,7 535 269

40

3
20

0
0 20 40 60 80 100 120

Roll
100
Max Max Kv Ks

1
Curve Model Static Load Deflection (vibration) (shock)
80 kN mm kN/m kN/m

1 HR40-600 8,90 127 574 758

k

60
2 HR40-400 4,83 127 311 427

2
3 HR40-200 1,71 127 110 149
40

3
20

0
0 20 40 60 80 100 120 140

160
Shear
Max Max Kv Ks
140
Curve Model Static Load Deflection (vibration) (shock)
1
120
kN mm kN/m kN/m

100
1 HR40-600 9,74 127 628 1 012
k

2 HR40-400 5,29 127 341 551

80

2
3 HR40-200 1,87 127 120 189
60

40

20
3
0
0 20 40 60 80 100 120 140

Note: Do not extrapolate plotted curves.

www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44 172
 Custom Engineered Products
WEAR™ Pipe Restraints
Overview

Options Available:
WEAR™ Pipe Restraints

Various end connections are available to meet existing

hardware such as Bergen Paterson, basic Engineers, PSA,
Grinnel and others. For sizing or specific application
information, call your local representative or
ITT Enidine directly.

Typical Applications:
• Pipe Restraint • Nuclear Plants
• Hydraulic Transients • Refineries
• Power Generating Plants • Structural Vibration
• Chemical Plants • Wind Loading
WEAR™ (Wire Energy Absorbing Rope) pipe restraints • Seismic Restraints • Pulp and Paper Mills
are uniquely packaged wire rope isolators designed • Steady State Vibration
to protect structures from steady state vibration and
isolate them from seismic and dynamic loads. These
new generation energy absorbing restraints feature WEAR™ Benefits:
simple construction. There are no oils, seals or complex • Repeatable • Proven Technology
moving parts required to perform their function. The • Environmentally Stable • Simple Construction
design has eliminated the problems often associated • Low Structural Loading • Corrosion Resistant
with hydraulic or mechanical restraints which are • Dissipate Energy • High Cycle Fatigue Life
complex and prone to failure. • Wide Operating • No Maintenance
Temperature Range
The Wire Rope Isolator, which is the basic element
of the technology has been successfully used by
the military for more than 25 years. As a result, it Environmental Conditions:
conforms to government and military quality control Normal Temperature: -40ºC to 100ºC
requirements. The restraint is thus exempt from
Faulted Temperature: -40ºC to 175ºC
surveillance testing. In-place visual inspection is all
that is required to assure operability. The WEAR™ can Humidity: 100% RH
be provided with a wide range of piping accessories Radiation: 1 x 109 RAD
and can be supplied to ISO 9001, Mil-Q, Mil-I, B31.1 Pressure: -1 bar to 7 bar
or ASME Section III subsection NF.
0 atm to 7 atm

Isolated Pipe - No Vibration

WEAR™

Captured every quarter

Vibration Inputs loop, wire rope coil will
not collapse; two-pitch
design prevents twisting.

173 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
Custom Engineered Products
Wire Mesh Isolator
Overview

Wire Mesh Isolator

Wire Mesh Isolator Features:
Wire Mesh Isolators • Wide operating temperature range

• Long service life

• Environmental compatability

• Maintenance-free operation

• Custom sizes and shapes available

Wire Mesh Isolator Typical Applications:

• Auxiliary Power Units

• Engines

• Communications Equipment
Wire mesh material can be manufactured in a multitude of
shapes and sizes to accommodate your specific application. • Medical Equipment
When exercised, the wire mesh damping elements convert input
energy to heat. Friction is created when knitted or woven stainless • Sensitive Mobile Electronics
steel wire strands are displaced relative to one another. Knitted
metals have inherent resiliency and provide high-damping Material Development:
characteristics and non-linear spring rates.
If your application parameters fall outside of
the standard product line, you can be sure that
ITT Enidine has the engineering capabilities
and resources to design, test and recommend
a custom solution to suit your specific needs:

• 3D Modeling

• System Analysis (Modal,

Linear/Non-Linear, Dynamic
Analysis and Simulation, Finite
Element, Shock and Vibration)

• In-house test facility for prototypes

and production models: Static
Load/Deflection, Life Cycle,
Vibration Frequency, Dynamic
Wire Mesh Isolator Load, Random Input and High
Frequency Noise

• AS-9100 Certified
• ISO 9001 Certified

www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44 174
 Application Worksheet
Technical Data
Application Worksheet
Application Worksheet
FAX NO.: APPLICATION DESCRIPTION
DATE:
ATTN:
COMPANY: Motion Direction (Check One):
Notes

Angle _______
The ITT Enidine Application Worksheet makes shock absorber ■ Horizontal ■ Vertical ■ Up ■ Incline Height _______
sizing and selection easier or visit www.enisize.com ■ Down
■ Rotary Horizontal ■ Rotary Vertical ■ Up
Fax, phone, or mail worksheet data to ITT Enidine headquarters ■ Down
Weight (Min./Max.): ___________________________________________________ (Kg)
or your nearest ITT Enidine subsidiary/affiliate or distributor.
(See catalog back cover for ITT Enidine locations, or visit Cycle Rate ____________________________________________________ (cycles/hour)
www.enidine.eu for a list of ITT Enidine distributors.) Additional Propelling Force (If known) ________________________________ (N)
■ Air Cyl: Bore ______ (mm) Max. Pressure ______(bar) Rod Dia.______(mm)
Upon ITT Enidine’s receipt of this worksheet, you will
receive a detailed analysis of your application and product ■ Hydraulic Cyl: Bore ______ (mm) Max. Pressure ______(bar)
recommendations. (For custom design projects, ITT Enidine Rod Dia.______ (mm)
representatives will consult with you for specification ■ Motor _____________ (kW) Torque _____________(Nm)
requirements.) Ambient Temp. ___________________________________________________________(°C)
Environmental Considerations: _____________________________________________
GENERAL INFORMATION
__________________________________________________________________________________
CONTACT:
SHOCK ABSORBER APPLICATION (All Data Taken at Shock Absorber)
DEPT/TITLE:
Number of Shock Absorbers to Stop Load
COMPANY: Impact Velocity (min./max.)__________________________________________ (m/s)
ADDRESS: Shock Absorber Stroke Requirements: ______________________________(mm)
(a) Load Requirements _______________(m/s2)

RATE CONTROL APPLICATION (All Data Taken at Rate Control)

TEL: FAX:
Number of Rate Controls to Control the Load ____________________________
EMAIL:
Control Direction: ■ Tension (T) ■ Compression (C)
PRODUCTS MANUFACTURED: Required Stroke: __________(mm) Est. Stroke Time ______________________(s)
Estimated Velocity at the Rate Control _______________________________(m/s)

175 www.enidine.eu Email: info@enidine.eu Tel.: +49 6063 9314 0 Fax: +49 6063 9314 44
New-Cover-A4_22023_Covers-2007 9/20/2023 2:39 PM Page 4

Enidine is a diversified leading manufacturer of highly engineered critical components and customized technology
solutions for growing industrial end-markets in energy infrastructure, electronics, aerospace and transportation.

As part of our strategy to make the customer central to everything we do, our core technologies, engineering
strength and global scale offers greater value for customers in terms of quality, cost and delivery.
.
Common Applications:
• Automotive • Packaging Machinery
• Auto, Storage and Retrieval • Overhead Cranes
• Bridges and Structures • Robotics
• Conveyor Systems • Electronics Cabinets
• Steel Mills • Sub-Sea Equipment
• Plastic Bottle Manufacturing • Medical Equipment

Enidine provides energy

absorption and vibration
isolation solutions to meet
the challenging demands
of global industrial markets.
New-Cover-A4_22023_Covers-2007 9/20/2023 2:38 PM Page 1

Enidine ITT Control Technologies (APAC)

7 Centre Drive 570 Xida Rd., Meicun, New Dist.,
Orchard Park, New York 14127 Wuxi, China 214112
Phone: 716-662-1900 Phone: 86 510 8855 6197
Fax: 716-662-1909 Fax: 86 510 8855 6193
Email: industrialsales@enidine.com Email: enidineCN@itt.com
www.enidine.com Email: controltechnologiesAPAC@itt.com
www.enidine.cn
Enidine GmbH
Werkstrasse 5
D-64732, Bad Koenig, Germany Enidine Co. Ltd.
Phone: +49 6063 9314 0 1-7-20 Maginu, Miyamae-ku, Kawasaki-shi
Fax: +49 6063 9314 44 Kanagawa-kan, 216-0035
Email: info@enidine.eu Japan
www.enidine.eu Phone: 81-44-870-8112
Fax: 81-44-870-8133
Email: support.enidinejp@itt.com
www.enidine.co.jp

ENI872A4R3 09/2023