Larsen & Toubro Limited (L&T) is a US $ 5 billion engineering and construction company, with a strong presence in manufacturing, services and Information Technology. L&T was founded in 1938 by two Danish engineers, Henning Holck-Larsen and Soren Kristian Toubro. A strong customer-focused approach and a constant quest for world-class quality have enabled L&T to achieve remarkable success in its major lines of business for over six decades. L&T VALVES BUSINESS GROUP A leading international supplier of industrial valves, including critical valves for major LNG, GTL, Refinery and Petrochemical projects. 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 oil and gas, refinery, petrochemical, fertiliser, chemical, power and construction industries. The company has an international reputation for technological sophistication and execution of large projects.
Gate, Globe & Check Valves Manufacturing Program Gate Globe Check Valve Type & ASME Class 150 300 600 150 300 600 150 300 600 As a standard, L&T Valves are offered in Carbon Steel ASTM A216 Gr. WCB. For valves in other materials, including valves complying to NACE MR 0175, please contact L&T. 2 2 1 / 2 3 4 6 8 10 12 14 16 18 20 24 30 36 50 65 80 100 150 200 250 300 350 400 450 500 600 750 900 Compliance Standards 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) or Series B (API 605). Ordering Information Valve in (mm) Valve Type ASME Class End Connection API Trim Number from 2 (50) to 48 (1200) Suffix for Accessories: GO - Gear Operation LA - Locking Arrangement N - NACE ACT - Actuator C1 - Gate C4 - Globe C7 - Check 1 - Class 150 3 - Class 300 6 - Class 600 3 - Flanged RF 5 - RTJ 6 - Butt-weld 1 5 8 10 12 16 Other trims and accessories available on request.
Gate Valves - ASME Classes 150, 300 & 600 Catalogue Numbers - C113-8, C133-8 & C163-8 Standard Materials of Construction Sl.No. Description Material 1 Body ASTM A216 Gr. WCB 2 Seat Ring ASTM A105 + HF* 3 Disc ASTM A216 Gr. WCB + 13% Cr. Steel 4 Stem ASTM A182 Gr. F6a 5 Bonnet ASTM A216 Gr. WCB 6 Gasket Soft Steel with Graphite Layer** 7 Stud ASTM A193 Gr. B7 8 Hexagonal Nut ASTM A194 Gr. 2H 9 Back-seat Bush ASTM A276 Type 410 10 Packing Die-Moulded Packing with End Rings 11 Gland ASTM A276 Type 410 12 Gland Flange ASTM A105/ASTM A216 Gr. WCB 13 Stud ASTM A193 Gr. B7 14 Hexagonal Nut ASTM A194 Gr. 2H 15 Lock Nut ASTM A194 Gr. 2H 16 Yoke Sleeve ASTM A439 Type D2 17 Retainer Nut SG Iron 18 Handwheel Malleable Iron 19 Handwheel Nut Carbon Steel 20 Grease Nipple Steel Name Plate SS 304 *HF - Hard-Faced with Stellite #6 or equivalent. **Spirally-wound Gasket for Class 300 & Class 600 Valves. Dimensions (in mm, unless specified) & Weights (in kg) Valve Class 150 Class 300 Class 600 Approx. Approx. Approx. A B C Wt. A B C Wt. A B C Wt. 2 (50) 178 415 200 22 216 445 200 26 292 430 200 35 2 1 / 2 (65) 190 465 200 30 241 485 200 34 3 (80) 203 525 250 36 282 550 250 52 356 540 250 65 4 (100) 229 820 250 54 305 645 300 90 432 535 350 110 6 (150) 267 795 350 95 403 815 350 160 559 845 450 240 8 (200) 292 995 350 140 419 1015 400 225 660 1020 450 400 10 (250) 330 1170 400 200 457 1235 450 330 787 972 500 620 12 (300) 356 1385 450 300 502 1455 500 480 838 1140 600 850 14 (350) 381 1535 500 410 762 1545 600 675 892.1 1585 413 1140 16 (400) 406 1720 600 480 838 1870 700 960 990.6 1900 668 1690 18 (450) 432 1920 700 610 914 1950 750 1140 1095.2 2050 668 2035 20 (500) 457 2135 750 790 991 2200-1480 24 (600) 508 2515 800 1120 1143 2650-2320 30 (750) 610 3095-2040 36 (900) 711 3645-3200 Butt-weld and Flanged RTJ options available. Dimension B - Centre to Top, Open
Globe Valves - ASME Classes 150, 300 & 600 Catalogue Numbers - C413-8, C433-8 & C463-8 Standard Materials of Construction Sl.No. Description Material 1 Body ASTM A216 Gr. WCB 2 Seat Ring ASTM A182 Gr. F6a + HF* 3 Disc ASTM A216 Gr. WCB + 13% Cr. Steel 4 Disc Washer ASTM A276 Type 410 5 Stem ASTM A182 Gr. F6a 6 Disc Stem Nut ASTM A276 Type 410 7 Bonnet ASTM A216 Gr. WCB 8 Gasket Spirally-wound SS 304 with Graphite filler 9 Stud ASTM A193 Gr. B7 10 Hexagonal Nut ASTM A194 Gr. 2H 11 Back-seat Bush ASTM A276 Type 410 12 Packing Die-Moulded Packing with End Rings 13 Gland ASTM A276 Type 410 14 Gland Flange ASTM A105/ASTM A216 Gr. WCB 15 Stud ASTM A193 Gr. B7 16 Hexagonal Nut ASTM A194 Gr. 2H 17 Lock Nut ASTM A194 Gr. 2H 18 Yoke Sleeve ASTM A439 Type D2 19 Retainer Nut SG Iron 20 Hand Wheel Malleable Iron 21 Hand Wheel Nut Carbon Steel 22 Grease Nipple Steel Name Plate SS 304 * HF - Hard-Faced with Stellite #6 or equivalent. Dimensions (in mm, unless specified) & Weights (in kg) Valve Class 150 Class 300 Class 600 Approx. Approx. Approx. A B C Wt. A B C Wt. A B C Wt. 2 (50) 203 375 200 25 267 390 200 33 292 425 250 38 2 1 / 2 (65) 216 405 200 32 292 420 200 37 3 (80) 241 420 250 40 318 430 250 55 356 620 350 100 4 (100) 292 510 250 60 356 570 350 85 432 620 450 137.5 6 (150) 406 575 350 100 444 735 450 180 559 1170 600 370 8 (200) 495 795 450 185 559 875 600 325 663 980 600 780 10 (250) 622 980 600 345 622 1170-555 12 (300) 698 1240-500 711 1500-920 Dimension B - Centre to Top, Open
Swing Check Valves - ASME Classes 150, 300 & 600 Catalogue Numbers - C713-8, C733-8 & C763-8 Standard Materials of Construction Sl.No. Description Material 1 Body ASTM A216 Gr. WCB 2 Body Seat Ring ASTM A105 + HF* 3 Disc ASTM A216 Gr. WCB + 13% Cr. Steel 4 Hinge ASTM A216 Gr. WCB 5 Disc Washer SS 304 6 Disc Nut SS 304 7 Disc Nut Pin SS 304 8 Hinge Pin ASTM A276 Type 410 9 Gasket Spirally-wound SS 304 with Graphite filler 10 Cover ASTM A216 Gr. WCB 11 Stud ASTM A193 Gr. B7 12 Stud Nut ASTM A194 Gr. 2H Name Plate SS 304 * HF - Hard-Faced with Stellite #6 or equivalent. Dimensions (in mm, unless specified) & Weights (in kg) Valve Class 150 Class 300 Class 600 Approx. Approx. Approx. A B Wt. A B Wt. A B Wt. 2 (50) 203 135 17 267 145 23 292 165 35 2 1 / 2 (65) 216 160 21 292 175 28 3 (80) 241 150 28 318 170 37 356 195 49 4 (100) 292 190 41 356 210 60 432 270 100 6 (150) 356 220 66 444 260 115 559 290 190 8 (200) 495 260 110 533 305 180 660 340 300 10 (250) 622 295 170 622 430 265 787 440 490 12 (300) 698 380 275 711 500 390 838 445 700 14 (350) 787 375 335 838 565 510 16 (400) 864 530 450 864 600 665 18 (450) 978 580 570 978 690 890 20 (500) 978 640 685 1016 710 1085 24 (600) 1295 710 1035 1346 850 1750