SP Piston Actuator
Engineering
Pneumatic Double Acting
Piston Actuators
GREAT Solutions
SP Piston Actuator
SP Piston Actuator
With over 50 years of experience in supplying high-performance control valves and linear actuators,
IMI CCI has the solution for the most demanding applications in multiple industries.
The SP pneumatic double-acting piston actuators provide an optimised solution, offering
additional benefits including reduced maintenance, safe operation, and increased durability in all
critical operating conditions.
Process control requirements for industrial plants have become more demanding with frequent
interruptions and the need to meet environmental regulations. This puts a strain on the control valves to
perform reliably and accurately. At IMI CCI, we know that a high-performance control valve must have
a high-performance actuator. Some challenges facing actuators today are that they must be fast on trip
yet stable during normal operation, trip open on command yet for most of its operation stay closed, be
capable of high resolution adjustments to the process flow and yet provide the required
force to meet tight shutoff.
Key features
> Linear piston - double acting > Suitable for fail open, close, and fail in
> Suitable for modulating or on/off place via volume tank
> Guided piston with permanent > Optional top mounted side access
lubrication system for long hand wheel
operating life > Robust, heavy duty, proven design
> Available in 3 sizes and 5 > Qualified for SIL Level 3 Certification
stroke positions
Benefits
> High performance and quality > High product reliability > Positioner travel and gain adjustments
The SP Actuator Series delivers the Apart from the full-fledged performance All affecting factors including pressure
quality and expertise expected by IMI CCI and endurance tests done on a full- settings, volume booster and limit
as a leader in the control valve industry. scale prototype model, every actuator switch settings are considered and
Every SP actuator built at IMI CCI is fully manufactured will go through a series of applied when necessary.
factory adjusted and inspected before operability tests, including stroking speed > Reduced maintenance costs
shipment, and this guarantees its high and fail mode tests, in addition to any
The fit-for-purpose SP actuators
performance and safe operation. customer performance requirements.
require low maintenance costs, thanks
to high performance and quality
designed with expertise.
Materials
Component Option 1 Option 2 Option 3
End caps Aluminum Carbon steel Stainless steel
Cylinder Black amalgon® Carbon steel Stainless steel
Shaft 17-4PH 17-4PH 17-4PH
Piston Aluminum Aluminum Stainless steel
Yoke Carbon steel Carbon steel Stainless steel
Tubing Stainless steel Stainless steel Stainless steel
Fittings Stainless steel Stainless steel Stainless steel
Special materials also available to meet various environmental conditions. Contact a sales representative for more information.
Technical details
Actuator type Linear piston cylinder
Port type Double-acting
Fail type Open, close, in-place
Actuator
Service Modulating, on/off
Failure mechanism Air tank for open & close / Lock-up valve for in-place
Manual option Top mounted, side access
150 psi (10 bar)
Design pressure Default filter regulator set press is 100 psig (7 bar),
Actuator is suitable for operation with as low as 40psig (3 bar)
Design Standard: -20°C (-4°F) to 80°C (176°F);
Design temperature
Optional: -50°C (-58°F) to 80°C (-58°F)
Fluid Instrument air
Environment Tropical (outdoor) non-corrosive, offshore (corrosive)
Sizes Strokes mm (inch) Max. 150 (6") Max. 200 (8") Max. 300 (12")
and 113 • • •
strokes Sizes (sq in) 200 • • •
• = available 313 n/a • •
Dimensions
Max. height in mm Max. weight in kg
Model Material Material Material Max. width in mm
150 (6") 200 (8") 300 (12")
option 1 option 2 option 3
Without manual override Dimension A Dimension A Dimension C
SP-113 800 1000 1100 90 160 175 390
SP-200 800 1000 1150 120 245 275 490
SP-313 N/A 1200 1300 270 465 515 590
With manual override Dimension B Dimension B Dimension C
SP-113 1500 1800 2150 135 205 220 390
SP-200 1500 1800 2150 165 290 320 490
SP-313 N/A 2000 2300 315 510 560 590
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