Seating Code Body Seat Surface Part No. 2 Double Disc Surface Part No. 5 Stem Part No. 8 Back Seat (Stuffing Box) Part No. 12 X F6 F6 F6 F6 U Stellite Stellite F6 F6 XU Stellite F6 F6 F6 P* F304 F304 F304 F304 R* F316 F316 F316 F316 M* Monel Monel Monel Monel N* Alloy 20 Alloy 20 Alloy 20 Alloy 20 H* Hastelloy B Hastelloy B Hastelloy  B Hastelloy B TRIM MATERIAL CODES (TO API 600) * Add XU modifier to end of model suffix if stellite seat, if stellite seat & disc add U modifier to end. OVERALL DIMENSIONS (MM) & WEIGHT (KG) Note:- 15NB to 40NB 150 ~ 2500 Class also available. Refer to drawings. VALVE SIZE (NPS) inch 2 2-1/2 3 4 5 6 8 10 12 14 16 18 20 24 mm 50 65 80 100 125 150 200 250 300 350 400 450 500 600 CLASS 150 (Table D to F) D mm 51 64 76 102 125 152 203 254 305 337 387 438 489 591 A mm 178 190 203 229 254 267 292 330 356 381 406 432 457 508 B (Open) mm 409 472 490 612 720 806 990 1186 1415 1583 1771 1955 2210 2698 C mm 200 200 250 250 350 350 350 450 500 560 640 720 800 900 Weight (kg) RF 20 25 38 55 75 85 134 198 320 400 524 690 900 1350 CLASS 300 (Table F to H) D mm 51 64 76 102 125 152 203 254 305 337 387 438 489 591 A-A1 mm 216 241 283 305 381 403 419 457 502 760 838 914 991 1143 B (Open) mm 428 477 543 650 720 850 1037 1276 1438 1585 1960 2155 2350 2720 C mm 200 250 250 300 300 350 450 500 560 640 720 800 900 1118 Weight (kg) RF 25 44 50 74 124 137 217 337 580 715 1050 1235 1655 2320 CLASS 600 D mm 51 64 76 102 125 152 203 254 305 337 387 438 489 A-A1 mm 292 330 356 432 508 559 660 787 838 889 991 1092 1192 B (Open) mm 474 553 593 654 857 970 1122 1330 1519 1716 2110 2400 2461 C mm 250 250 300 350 400 500 560 720 720 720 900 1000 1000 Weight (kg) RF 50 60 85 135 260 345 515 845 1120 1360 1910 2335 2700 CLASS 900 D mm 51 60 76 102 120 152 203 254 305 324 375 438 A-A1 mm 372 419 384 460 559 613 740 841 968 1039 1140 1219 B (Open) mm 590 702 740 870 1051 1078 1318 1581 1867 2004 2178 2526 C mm 250 300 300 350 450 560 640 800 800 900 900 900 Weight (kg) RF 110 140 150 220 355 460 800 1050 1600 2220 3000 3870 Body Material Codes None A216 WCB 0 Special 5 A217 C5 6 A217 WC6 8 A351 CF8 8M A351 CF8M 9 A217 WC9 PART NUMBER SYSTEM PAGE 4 *For API600 weights see page 41, 42. For Buttweld dimensions and weights see overview brochure. For RTJ dimensions see overview brochure. For 16” to 30” see overview brochure. STEAMCO - Cast Steel Steam Valves 10 PARALLEL SLIDE GATE VALVE PARALLEL SLIDE GATE VALVE CAT P316H CLASS 150-1500