Larsen & Toubro Limited (L&T) is aUS $ 5 billion engineering andconstruction company, with a strongpresence in manufacturing, servicesand Information Technology.

L&T was founded in 1938 by twoDanish engineers, HenningHolck-Larsen and SorenKristian Toubro.A strong customer-focusedapproach and a constant questfor world-class quality haveenabled L&T to achieve remarkablesuccess in its major lines of businessfor over six decades.

Areas of Operation:• Engineering & Construction

Projects• Heavy Engineering (Process Plant

Equipment)• Machinery & Industrial Products• Electrical & Electronics• IT & Technology Services

L&T offers proven solutions for the oiland gas, refinery, petrochemical,fertiliser, chemical, power andconstruction industries. The companyhas an international reputation fortechnological sophistication andexecution of large projects.

L&T VALVES BUSINESS GROUP

A leading international supplier of industrial valves, including critical valvesfor major LNG, GTL, Refinery and Petrochemical projects.

MARKETING NETWORK

The Valves Business Group of L&Thas offices in India, USA and China,and strategic alliances withintegrated valve distributorsworldwide. The marketing network issupported by an experienced teamof valve specialists.

We have an impressive track-recordof supplying valves to global oilmajors and EPC Contractors in theUSA, Europe, the Middle East,Africa and Asia-Pacific.

THE L&T ADVANTAGE

Over 40 years of experience in supplying valves to discerning customers andcontractors worldwide. This expertise is now leveraged to bring you reliable andcost-effective flow-control solutions.

QUALITY ASSURANCE &MANUFACTURE

L&T Valves are manufactured in ourmodern facility whose qualitymanagement system conforms tointernational standards.

All stages in manufacture of L&TValves are controlled by a stringentquality assurance plan formulatedand administered by us.

Elaborate systems are in place toguarantee casting integrity and toensure that mechanical andchemical properties are in line withcustomer specifications.

Consistent quality is our hallmark.

PROJECT MANAGEMENT

L&T’s project management skillshoned over the years by handlinglarge and complex projectsworldwide translate into savings intime and money for the customers.

Our dedicated project managementteam leverages the power of IT toprovide up-to-date status and pre &post order documentation.

L&T - Your one-stop-shop forflow-control requirements.

DESIGN & ENGINEERING

L&T has in-house valves designcapabilities for:• New Product Design• Design Optimisation• Product Enhancement

These strengths are utilised toensure that the designs of eachL&T valve complies to end-userrequirements.

L&T (Jiangsu) Valve Co. Ltd.Gate Valves Plant

Gate, Globe & Check Valves

Gate Valve API 600

Valve Design Globe Valve BS 1873

Check Valve BS 1868

Pressure-Temperature Rating ASME B16.34

Face-to-face/End-to-end Dimension ASME B16.10

End Flange Dimensions ASME B16.5*

Butt-weld End Dimensions ASME B16.25

Valve Inspection & Testing API 600/API 598

* For valves in sizes larger than 24” (600 mm), the flange drilling shall be as per ASME B16.47 Series A (MSS SP 44) orSeries B (API 605).

As a standard, L&T Valves are offered in Carbon Steel ASTM A216 Gr. WCB. For valves in other materials, including valvescomplying to NACE MR 0175, please contact L&T.

Compliance Standards

Ordering InformationValve Size

in (mm)

from

2 (50)

to

48 (1200)

Suffix for Accessories:GO - Gear OperationLA - Locking ArrangementN - NACEACT - Actuator

Other trims and accessories available on request.

Valve Type

C1 - Gate

C4 - Globe

C7 - Check

ASMEClass

1 - Class 150

3 - Class 300

6 - Class 600

EndConnection

3 - Flanged RF

5 - RTJ

6 - Butt-weld

APITrim Number

1

5

8

10

12

16

2 2 1/2 3 4 6 8 10 12 14 16 18 20 24 30 3650 65 80 100 150 200 250 300 350 400 450 500 600 750 900

Size

150

300

600

150

300

600

150

300

600

Manufacturing Program

Gat

eG

lob

eC

hec

k

Valve Type&

ASME Class

Gate Valves - ASME Classes 150, 300 & 600Catalogue Numbers - C113-8, C133-8 & C163-8

Sl.No. Description Material1 Body ASTM A216 Gr. WCB2 Seat Ring ASTM A105 + HF*3 Disc ASTM A216 Gr. WCB + 13% Cr. Steel4 Stem ASTM A182 Gr. F6a5 Bonnet ASTM A216 Gr. WCB6 Gasket Soft Steel with Graphite Layer**7 Stud ASTM A193 Gr. B78 Hexagonal Nut ASTM A194 Gr. 2H9 Back-seat Bush ASTM A276 Type 41010 Packing Die-Moulded Packing with End Rings11 Gland ASTM A276 Type 41012 Gland Flange ASTM A105/ASTM A216 Gr. WCB13 Stud ASTM A193 Gr. B714 Hexagonal Nut ASTM A194 Gr. 2H15 Lock Nut ASTM A194 Gr. 2H16 Yoke Sleeve ASTM A439 Type D217 Retainer Nut SG Iron18 Handwheel Malleable Iron19 Handwheel Nut Carbon Steel20 Grease Nipple Steel

Name Plate SS 304*HF - Hard-Faced with Stellite #6 or equivalent.**Spirally-wound Gasket for Class 300 & Class 600 Valves.

Standard Materials of Construction

ValveSize

Class 150 Class 300 Class 600Approx. Approx. Approx.

A B C Wt. A B C Wt. A B C Wt.

Dimensions (in mm, unless specified) & Weights (in kg)

2”(50) 178 415 200 22 216 445 200 26 292 430 200 3521/2”(65) 190 465 200 30 241 485 200 34

3”(80) 203 525 250 36 282 550 250 52 356 540 250 654”(100) 229 820 250 54 305 645 300 90 432 535 350 1106”(150) 267 795 350 95 403 815 350 160 559 845 450 2408”(200) 292 995 350 140 419 1015 400 225 660 1020 450 40010”(250) 330 1170 400 200 457 1235 450 330 787 972 500 62012”(300) 356 1385 450 300 502 1455 500 480 838 1140 600 85014”(350) 381 1535 500 410 762 1545 600 675 892.1 1585 413 114016”(400) 406 1720 600 480 838 1870 700 960 990.6 1900 668 169018”(450) 432 1920 700 610 914 1950 750 1140 1095.2 2050 668 203520”(500) 457 2135 750 790 991 2200 - 148024”(600) 508 2515 800 1120 1143 2650 - 232030”(750) 610 3095 - 204036”(900) 711 3645 - 3200

Butt-weld and Flanged RTJ options available.Dimension B - Centre to Top, Open

Globe Valves - ASME Classes 150, 300 & 600Catalogue Numbers - C413-8, C433-8 & C463-8

Standard Materials of ConstructionSl.No. Description Material

1 Body ASTM A216 Gr. WCB2 Seat Ring ASTM A182 Gr. F6a + HF*3 Disc ASTM A216 Gr. WCB + 13% Cr. Steel4 Disc Washer ASTM A276 Type 4105 Stem ASTM A182 Gr. F6a6 Disc Stem Nut ASTM A276 Type 4107 Bonnet ASTM A216 Gr. WCB8 Gasket Spirally-wound SS 304 with Graphite filler9 Stud ASTM A193 Gr. B710 Hexagonal Nut ASTM A194 Gr. 2H11 Back-seat Bush ASTM A276 Type 41012 Packing Die-Moulded Packing with End Rings13 Gland ASTM A276 Type 41014 Gland Flange ASTM A105/ASTM A216 Gr. WCB15 Stud ASTM A193 Gr. B716 Hexagonal Nut ASTM A194 Gr. 2H17 Lock Nut ASTM A194 Gr. 2H18 Yoke Sleeve ASTM A439 Type D219 Retainer Nut SG Iron20 Hand Wheel Malleable Iron21 Hand Wheel Nut Carbon Steel22 Grease Nipple Steel

Name Plate SS 304* HF - Hard-Faced with Stellite #6 or equivalent.

ValveSize

Class 150 Class 300 Class 600Approx. Approx. Approx.

A B C Wt. A B C Wt. A B C Wt.

Dimensions (in mm, unless specified) & Weights (in kg)

2”(50) 203 375 200 25 267 390 200 33 292 425 250 3821/2”(65) 216 405 200 32 292 420 200 373”(80) 241 420 250 40 318 430 250 55 356 620 350 1004”(100) 292 510 250 60 356 570 350 85 432 620 450 137.56”(150) 406 575 350 100 444 735 450 180 559 1170 600 3708”(200) 495 795 450 185 559 875 600 325 663 980 600 78010”(250) 622 980 600 345 622 1170 - 55512”(300) 698 1240 - 500 711 1500 - 920

Dimension B - Centre to Top, Open

Swing Check Valves - ASME Classes 150, 300 & 600Catalogue Numbers - C713-8, C733-8 & C763-8

2”(50) 203 135 17 267 145 23 292 165 3521/2”(65) 216 160 21 292 175 283”(80) 241 150 28 318 170 37 356 195 494”(100) 292 190 41 356 210 60 432 270 1006”(150) 356 220 66 444 260 115 559 290 1908”(200) 495 260 110 533 305 180 660 340 30010”(250) 622 295 170 622 430 265 787 440 49012”(300) 698 380 275 711 500 390 838 445 70014”(350) 787 375 335 838 565 51016”(400) 864 530 450 864 600 66518”(450) 978 580 570 978 690 89020”(500) 978 640 685 1016 710 108524”(600) 1295 710 1035 1346 850 1750

ValveSize

Class 150 Class 300 Class 600Approx. Approx. Approx.

A B Wt. A B Wt. A B Wt.

Dimensions (in mm, unless specified) & Weights (in kg)

Sl.No. Description Material1 Body ASTM A216 Gr. WCB2 Body Seat Ring ASTM A105 + HF*3 Disc ASTM A216 Gr. WCB + 13% Cr. Steel4 Hinge ASTM A216 Gr. WCB5 Disc Washer SS 3046 Disc Nut SS 3047 Disc Nut Pin SS 3048 Hinge Pin ASTM A276 Type 4109 Gasket Spirally-wound SS 304 with Graphite filler10 Cover ASTM A216 Gr. WCB11 Stud ASTM A193 Gr. B712 Stud Nut ASTM A194 Gr. 2H

Name Plate SS 304* HF - Hard-Faced with Stellite #6 or equivalent.

Standard Materials of Construction