®

FLOATING BALL VALVES ®

ENGINEERED FOR LOW EMISSIONS

0045
6D 0301 SIL 3 IEC 61508 ATEX 94/9/EC

a wholly owned subsidiary of

, ®

®
INTRODUCTION TO THE COMPANY
®

THE MICROFINISH WAY MICROFINISH VALVES, INC.

Microfinish group is a privately owned and managed We launched Microfinish Valves, Inc. in Houston,
organization specializing in industrial valves and Texas in July 2010 to bring our portfolio of
automation for energy, process, and natural resource specialized industrial valves to the key region of the
industries. The guiding principles of Microfinish are: Americas. We provide sales, technical support and
a full array of inventory to our core regional
• Personal commitment to our customers markets. In a time when outsourcing of
• Top quality in everything we do manufacturing and design control has become
• Best available technology for all our products common, we believe our business model of quality
and services assurance through design ownership and in-house
manufacturing control in India will be a winning
INTRODUCTION combination with end users who want to know the
company behind the product, as well as behind the
Microfinish group was established in 1971 to sale.
manufacture ball valves, bellows sealed globe valves,
globe valves for chlorine service, gate globe check
PRODUCTS
valves, and knife edge gate valves. Other valves were
added to the product range in later years. For the last We manufacture the following products in various
40 years we have designed, developed, and supplied materials including carbon steel, stainless steel,
our products to: duplex, and high nickel alloys:
• Oil and gas facilities, hydrocarbon processing,
• Ball valves in floating and trunnion mounted
refineries, and petrochemical plants
designs, with cast and forged construction,
• Fossil fuel, nuclear, and combined cycle
including three way and jacketed configurations,
power plants
• Fertilizer, chemical, and pharmaceutical and special versions for cryogenic and high
industries temperature services
• Food and beverage plants • Bellows sealed globe valves
• Mining, minerals processing, and steel • Globe valves for chlorine service
sectors • Knife edge gate valves
• Pulp and paper mills • Forged gate, globe, and check valves

We are recognized as a quality manufacturer of Microfinish is committed to total quality. Stringent

reliable valves for industry. Our wealth of experience and efficient quality assurance and control systems
has enabled Microfinish to become a prominent have been implemented in accordance with ISO
supplier of ball valves throughout the world. 9001.

Industrial technology is progressing at a remarkable VALVE AUTOMATION

rate, so we have established a research and
development department equipped with modern Microfinish has expertise in valve automation
test facilities. technology and can offer complete systems. Our
wide range of actuators, controls and accessories
Our manufacturing facilities are located in separate enables Microfinish to be a single source for
and well laid-out buildings with ample scope for integrated automated valve systems. Microfinish
future expansion. The industrial estate in Hubli is one valves are available in a variety of automation
of the biggest and fastest developing manufacturing packages that include:
zones in the state of Karnataka. The city of Hubli is
well served by air, rail, and road connections; it is • Pneumatic, electric, hydraulic, and electro
situated on the national highway NH 4 between hydraulic actuated valves and systems
Mumbai and Bengaluru. • Gas, and gas over oil automation systems
• On-off remotely operated valves with
In 1994 our organization was the first in India to automation systems
receive the prestigious ISO 9001 certificate (1994 • Emergency shutdown(ESD) valves with
edition) from RWTÜV in Germany. Microfinish ball automation systems
valves have had: API 6D certification since February • Vertical actuators for special applications
1999; PED certification since 2002; SIL 3 certification • Flame proof enclosures for actuators and
since 2009; ATEX, GOST, and TA-Lüft certification accessories
since 2010.
FLOATING BALL VALVES
®

Microfinish floating ball valves are available in both PRESSURE TEMPERATURE RATING OF
reduced bore and full bore designs. Sizes range SEAT
from ½” to 10” and pressure classes from ASME
150 to 2500. Body designs are one, two, and three
The pressure temperature rating of a ball valve is
piece. Ball valves are designed using the latest determined by either the body or the seat limits.
CAD software to achieve the highest level of Materials of construction, fluid properties, and
performance, reliability, and safety as demanded operating parameters are also influential factors.
by the user industries. The ratings in the graph should therefore be used
only as a guide. For temperatures below -20°F
Design standards are to ASME B16.34. Fire- consult Microfinish.
testing is certified by third party inspectors.

STANDARD DESIGN FEATURES

TFM/CFT/RTFM

• Designed and manufactured to ASME B16.10,

½ - 2½RP
MSS SP-72
• Fire-tested to API 607 5th edition
• One, two, and three piece bodies
• Actuator mounting pads to ISO 5211 ½ - 2½RP

• Blow-out proof stem

• Anti-static feature
• Lever, gear, electric, pneumatic, hydraulic,
gas, and gas over oil operation
• Bi-directional flow 2½ - 6RP
• Cup and cone stem packing in most sizes
• B7M/2HM or B8M/8M fasteners 6FB

• Radiography as standard for 600, 900, 8RP - 10FB

1500, and 2500 class valves
• Locking devices
• Stem sealing complies to TA-Lüft fugitive
emission norms

OPTIONAL FEATURES
• Stem extensions and bonnet extensions
• Metal seats for high temperature and abrasive
service to 1004°F
• Cryogenic service to BS 6364 to -321°F
• Compliant with NACE MR0175 and MR0103
• “PUPS” available on weld end valves
• Wide variety of materials
• Special testing available
½ - 2RP
½ - 1½FB
APPLICABLE STANDARDS

Design standard API 6D, API 608, ASME B16.34

BS EN ISO 17292 2½ - 6RP
Testing standard API 6D, API 598, BS EN 12266 2 - 4FB

ISO 5208, ASME B16.34 8 - 14RP

Flange standard ASME B16.5 6 - 12FB

Welding ends ASME B16.25

Sour gas service NACE MR0175 and MR0103
Fire safe testing API 607, API 6FA
 ®

MICROFINISH BALL VALVES PROVIDE PROVEN PERFORMANCE

AND WORRY FREE OPERATION
Microfinish high quality ball valves have been
MICROFINISH ball valves built for reliability
successfully serving industry for over 40 years.
and performance offer a THREE YEAR
They are available in a wide variety of sizes,
WARRANTY as standard. Built and tested to
pressure classes and configurations. They have
the most stringent industry standards,
many features built into the design as standard to
Microfinish is the answer to your most
provide operational safety, long service life and
demanding valve applications.
low stem seal emissions.
Proven performance as MICROFINISH holds 1 1) Lever
SIL-3 certification for reliability and TA-Lüft
Sturdy lever. Locking device as standard
certification for emission control.
2) Gland nut
Easily adjustable gland nut permits adjustment
WHY MICROFINISH? without disassembly of valve
2
• We are the manufacturer with over 40 years 3) Actuator mounting pad
of experience 3 Industry standard ISO 5211 mounting flange
• We offer a 3 year warranty 4 for simple actuator mounting
• Proven stem seal design with easy 5
adjustment 4) Stem seal
• Wide range of materials and options Standard cup and cone packing in most sizes,
• Pressure classes from 150-2500 along with spring disc, increases life cycle
• We machine our own balls and seats to capability and compensates for temperature
achieve smooth operation and lower torque fluctuations and normal wear. Standard stem
• Locking device as standard seal meets the emission norms of TA-Lüft
• We hold the following certifications
6
• ISO 9001 5) Stem
• PED Anti-blowout proof stem with 32RMS surface
• SIL-3 finish for low friction and reduced stem seal
• ATEX 7 wear
• GOST
• TA-Lüft 6) Ball
• API 6D Mirror finished ball with less than 8RMS
8 surface finish provides smooth operation
9 and low torque

7) Seats
Improved design for long life and bubble tight
shut off. Available in a variety of materials to
provide a wide application range. Seats are
field replaceable

8) Body
Split body construction with positive
QUALITY BUILT INTO EVERY VALVE
alignment. Shell thickness meets or exceeds
ASME B16.34 standards
• 100% of castings and forgings in 600, 900, 1500, and 2500 class valves have X-ray or ultrasonic
testing of critical areas
9) Bolting
Meets ASME Sect VIII requirements
• Random X-rays or ultrasonic testing of castings and forgings in classes 150 and 300

• 100% of valves are serialized for full traceability

TWO PIECE BALL VALVES
®

Series:
84R2/84F2 Class 150
85R2/85F2 Class 300
87R2/87F2 Class 600
89R2/89F2 Class 900
90R2/90F2 Class 1500
91R2/91F2 Class 2500

Ends: Flanged and E E

butt weld ends

A A

RB : Reduced bore FB : Full bore

Dimensions are in inches. Approximate weights in lb
A E
Class Class Class
SIZE Class
150/300/600 900/1500 2500
150 300 600 900 1500 2500 RB FB RB FB RB FB
½ 4.25 5.50 6.50 8.50 8.50 10.38 0.50 0.50 0.50 0.50 0.44 0.44
¾ 4.62 6.00 7.50 9.00 9.00 10.75 0.50 0.75 0.50 0.69 0.44 0.56
1 5.00 6.50 8.50 10.00 10.00 12.12 0.75 1.00 0.69 0.87 0.56 0.75
1¼ 5.50 7.00 9.00 11.00 11.00 - 1.00 1.25 0.87 1.12 - -
1½ 6.50 7.50 9.50 12.00 12.00 - 1.25 1.50 1.12 1.37 - -
2 7.00 8.50 11.50 14.50 14.50 - 1.50 2.00 1.37 1.87 - -
2½ 7.50 9.50 13.00 16.50 - - 2.00 2.50 1.87 2.25 - -
3 8.00 11.12 14.00 15.00 - - 2.28 3.00 2.25 2.87 - -
4 9.00 12.00 17.00 - - - 3.00 4.00 - - - -
6 15.50 15.88 - - - - 4.00 6.00 - - - -
8 18.00 19.75 - - - - 6.00 8.00 - - - -
10 21.00 22.38 - - - - 8.00 10.00 - - - -

WEIGHTS
SIZE Class 150 Class 300 Class 600 Class 900 Class 1500 Class 2500
RB FB RB FB RB FB RB FB RB FB RB FB
½ 3.5 3.5 4.8 4.8 7.3 7.3 18.7 18.7 18.7 18.7 20.9 20.9
¾ 4.4 5.1 6.8 7.7 9.9 11.0 22.0 24.2 22.0 24.2 26.4 28.6
1 5.9 6.6 9.9 11.0 14.3 17.6 33.0 37.4 33.0 37.4 39.6 68.0*
1¼ 8.1 10.1 11.7 15.4 18.5 26.4 37.4 55.0 37.4 55.0 - -
1½ 11.4 13.6 18.7 20.9 28.6 34.1 57.0 73.0 57.0 73.0 - -
2 17.2 20.5 23.8 29.7 39.6 53.0 77.0 106.0 77.0 132.0* - -
2½ 27.5 34.3 30.8 48.4 62.0 75.0 119.0 174.0* - - - -
3 36.1 43.1 55.0 68.0 79.0 136.0* 187.0* 257.0* - - - -
4 55.0 75.0 90.0 121.0 172.0* 227.0* - - - - - -
6 99.0 178.0* 163.0 262.0* - - - - - - - -
8 196.0* 286.0* 299.0* 447.0* - - - - - - - -
10 288.0* 469.0* 460.0* 689.0* - - - - - - - -
Refer to page 14 for materials of construction * Weights with gearbox
Note: 6” to 10” valves can be Supplied on request having short pattern face to face dimension
 ®

FURTHER MATERIALS AND BALL VALVE TESTING

Materials of construction for Series : 84R1, 85R1, 84 to 91 R2/F2, 84 and 85 R1J/F1J,
71R3/F3, 74R3/F3, 71R2/F2, 74R2/F2

Body and tail piece WCB, WCC, LCB, LCC, CF8, CF8M, CF3, CF3M, CD4MCu, CN7M, CD3MN
CN3MN, CW6M and N7M, and other alloys
Ball WCB with ENP, LCB with ENP, CA15, CF8, CF8M, CF3, CF3M, CD4MCu,
CN7M, CD3MN, CN3MN, CW6M, N7M, and other alloys
Stem and gland 410, 304, 316, A20, 31803, Inconel, and other alloys
Seat TFM, PTFE, RPTFE, nylon, Delrin, PEEK, Devlon, metal
Stem washer RPTFE
Stem seal Grafoil, PTFE
Body seal Grafoil, spiral wound with Grafoil filler
Body stud B7, L7, B8, B8M
Body nut 2H, 2HM, 8, 8M

VALVE TESTING
100% of valves manufactured by Microfinish are tested in excess of API 6D requirements and in
accordance with API 598 standard prior to shipping.

MAXIMUM ALLOWABLE LEAKAGE RATES AS PER API 598

Liquid test Gas Test*
Valve Size Resilient Seated Valves
(Drops per minute) (Bubbles per minute)
2 0 0 0
2½ - 6 0 12 24
8 - 12 0 20 40

14 0 28 56

MAXIMUM ALLOWABLE LEAKAGE RATES AS PER BS EN 12266 AND ISO 5208

Test Unit leakage

Rate A Rate B Rate C Rate D Rate E Rate F Rate G
Fluid rates
0.01 0.03 0.1 0.3 1 2
Liquid mm3/s 0
x DN x DN x DN x DN x DN x DN
0.3 3 30 300 3000 6000
Gas* mm3/s 0
x DN x DN x DN x DN x DN x DN
* Gas closure test at 6bar

STANDARD PERFORMANCE TESTS

• Visual and dimensional check • Low-pressure air seat test

• High-pressure hydrostatic shell test • Torque check for actuated valves
• High-pressure hydrostatic seat test
 ®

BALL VALVE SEAT MATERIALS

TEMPERATURE
SEAT MATERIAL APPLICATION
RANGE °F
Virgin PTFE(polytetrafluoroethylene) is the most commonly
VIRGIN PTFE -20 to 400 used seat material. It has excellent chemical resistance
and is suitable for almost all liquids
TFM This is modified PTFE, with improved mechanical properties.
-58 to 420
(SUPER PTFE) It has lower porosity and permeability, and reduced cold flow

REINFORCED PTFE reinforced with carbon. It is harder than PTFE.

- 58 to 400
PTFE (RPTFE) Excellent for steam and hot oil applications

RTFM -58 to 420 TFM reinforced with carbon. It is harder than TFM

Nylon (polyamide resin) suitable for high pressure, with

NYLON -58 to 248 limited temperature capability. Lower corrosion resistance
than PTFE. Not suitable for steam service
Delrin (acetal polymer) suitable for high pressure, with
DELRIN -20 to 180 limited temperature capability. Lower corrosion resistance
than PTFE. Not suitable for oxygen and steam service
Devlon (polyamide family resin) has outstanding pressure
DEVLON -148 to 338
capability. Good resistance for temperatures up to 338°F
PEEK (polyetheretherketoneresin) is a high performance
thermoplastic. Excellent choice for high pressure and high
PEEK -148 to 536 temperature service. Excellent for abrasive and corrosive
service. Suitable for hot water and steam service. Not
suitable for sulphuric and other strong oxidizing acids
PCTFE (polycholotrifluoroethylene). Excellent performance
PCTFE (Kel-F) - 328 to 392
down to -328°F. Perfect resistance to oxygen

Recommended for abrasive and high temperature service.

ENP, Stellite, tungsten carbide and other coatings are
available for different applications. Metal seats are lapped
METAL - 328 to 1004
with the ball individually as a matched sets, assuring
tight shut off. Metal seated valves are available with class
IV, V, and VI leakage class

Seat height inspection Stem surface finish inspection

 ®

BALL VALVE TORQUES

Torque values are results of factory break away tests using clean water at ambient
temperatures. Apply appropriate correction factors for other applications.

Break away torque values in in-lb. at full working pressure

Class 150 Class 300 Class 600 Class 800
P-psi
285 740 1480 1975
Size-in. RB FB RB FB RB FB RB FB
½ 30 35 133 159
¾ 30 62 36 71 133 160 159 221
1 58 71 71 102 160 222 221 443
1¼ 76 133 107 186 443 620
1½ 133 186 142 221 310 443 620 752
2 177 310 213 443 443 1328 752 1770
2½ 327 593 549 850 1328 1593
3 443 824 779 1062 1593 2213
4 779 1372 1062 1637 2213 3275
6 1416 3186 1859 4824
8 2213 4071 5753 9735
10 5310 9293 9735 9293*
* Torque value at 285psi

Break away torque values in in-lb. at full working pressure

Class 900 Class 1500 Class 2500
P-psi
2220 3705 6170
Size-in. RB FB RB FB RB FB
½ 222 310 620
¾ 222 328 310 487 620 885
1 328 620 487 1062 885 2036
1¼
1½ 620 1062 1062 1859
2 1062 1992 1859 2744
3 1992 3983

Torque values are factory test results using clean water at room temperature with PTFE seats for class
150 and 300, CFT seats for class 600, Nylon seats for class 900 and 1500, and Devlon seats for class
2500. For other seat materials consult factory.

PRESSURE TESTING AS PER ASME B16.34

Test Pressure - psi
Pressure Hydro Hydro Air
Class Shell* Seat* Seat
150 430 315 100
300 1110 815 100
600 2220 1630 100
800 2965 2175 100
900 3330 2445 100
1500 5560 4080 100
2500 9255 6790 100
*Applicable for WCB material
 ®

MICROFINISH VALVES FOR SPECIAL SERVICES

SOUR SERVICE OXYGEN SERVICE

A wide range of materials is available depending on Flow passages of these valves are either machined
service conditions. These valves meets the material or ground to remove all high spots. Valves are
requirement of NACE MR 0175 or MR 0103 when supplied having low emission packing. Valves for
specified and will have controlled hardness with B7M oxygen service are unidirectional so must be
or B8M fasteners. Xylon coated fasteners are installed as indicated by the arrow on the body.
available on request. Valves are throughly cleaned to oxygen practice and
are packed in individual polyethylene bags.
CHLORINE SERVICE
AMMONIA SERVICE
All valves are manufactured to meet the Chlorine
Institute Pamphlet-6 and also comply with Ammonia is toxic and flammable. Both carbon steel
Euro Chlor standard. Valves are supplied having low and stainless steel materials are suitable. Valves are
emission packing. supplied having low emission packing. Valves for
ammonia service are cleaned for safe operation and
The body cavity is positively released to the packed in individual polyethylene bags.
upstream side through a drilled hole in the ball.
Chlorine valves are unidirectional so must be VALVE OPERATORS
installed as indicated by the arrow on the body.
Ball valves can be fitted with one of the
Valves are throughly cleaned to chlorine practice
following operators
and are packed in individual polyethylene bags.
• Standard lever for sizes ½ " to 2"
Standard material for body is WCB or A105 with • Oval handle for sizes ½ " to 2"
either Monel or Hastelloy trim. • Lever adapter with pipe for sizes 2" to 6"

VACUUM SERVICE • Lever with limit switches

• Spring return lever (dead man lever) for
Standard Microfinish valves are suitable for use in sizes ½ " to 2"
vacuum service down to 20 microns. Standard low • Manual gear operator
emission packings are used down to 1x10-2 Torr. For
high vacuum service special low emission packings • Varieties of pneumatic actuators
are used and all these valves will be tested and • Varieties of electric actuators
certified. • Accessories for pneumatic and electric
actuators

Modern 120,000 sq.ft. factory in Hubli, Karnataka

 GLOBAL SALES OFFICES

HEADQUARTERS AND 10 SALES OFFICES IN INDIA

Authorized representatives in Australia, Malaysia and Singapore

THE AMERICAS

,
7807, Bluff Point Drive, Suite 190, Houston, Texas 77086
®

Tel: 281-885-4250 Fax: 281-866-0996

Website: www.microfinishvalvesinc.com
Email: Sales@microfinishvalvesinc.com

Contacts Cell Phone Email

Len Fruci 817-946-2447 lfruci@microfinishgroup.com

President

Bob Hohos 281-222-3481 bhohos@microfinishgroup.com

Vice President
Sales and Marketing

Sales of specialized industrial valves, technical support,

and a full array of inventory

Houston
®

Malaysia
Singapore

Perth
Bengaluru
India
Karnataka

B161-162, Industrial Estate, Gokul Road, Hubli-580 030, Karnataka, India.

Phone No: 91-836-2212404, 2210611 Fax No: 91-836-2331438
E-mail: sales@microfinishgroup.com Website: www.microfinishgroup.com