Design Specification
| Design standards | Structure length | Flange connection size | Test and inspection | |
| AP1600,API 6D | ASMEB16.10 | ASMEB16.5 | API598 | |
Pressure Test Specification
| Nominal pressure (MPa) | Shell test pressure (MPa) | Sealing test pressure (MPa) | Temperature | Suitable medium |
| 150LB | 3 | 2.2 | ≤600℃ | Water ,Oil & Gas |
| 300LB | 7.5 | 5.5 | ||
| 600LB | 15 | 11 | ||
| 900LB | 22.5 | 16.5 |
Material of Main Parts
| NO. | Part Name | Part Material |
| 1 | Body | ASTM A216-WCB ASTM A217-WC6,WC9,C5 ASTM A351-CF8,CF8M,CF,CF3M |
| 2 | Wedge | ASTM A216-WCB ASTM A217-WC6,WC9,C5 ASTM A351-CF8,CF8M,CF,CF3M |
| 3 | Seat | ASTMA105 ASTM A182-F11,F22,F5,F304, F316,F304L,F316L |
| 4 | Stem | ASTM A182 Gr.F6a ASTM A182 F22 ASTM A182-F304,F316,F321,F304L,F316L |
| 5 | Stud | ASTMA193-B7,A320-B8,A193-B8M |
| 6 | Nut | ASTMA194-2H,A194-8,A194-8M |
| 7 | Gasket | Flexible graphite&stainless steel |
| 8 | Back seat | ASTM A182 Gr.F6a ASTM A182 F22 ASTM A182-F304,F316,F321F304L,F316L |
| 9 | Bonnet | ASTMA216-WCB ASTM A217-WC6,WC9,C5 ASTM A351-CF8,CF8M,CF3,CF3M |
| 10 | Packing | Flexible graphite |
| 11 | Gland cover | ASTMA182 Gr.F6a ASTM CHI A182-F304,F316,F321,F304L,F316 |
| 12 | Gland flange | ASTM A216-WCB ASTM A351-CF8,CF8M,CF3,CF3M |
| 13 | Yoke nut | Copper alloy |
| 14 | Hand wheel | ASTM A47-32510 |
150LB API GATE VALVE MAIN EXTERNAL DIMENSIONS(Unit:mm)
| NPS | L | D | D1 | D2 | b | Z-d | H |
| 2″ | 178 | 150 | 120.7 | 92.1 | 19.5 | 4-19 | 385 |
| 2 1/2″ | 190 | 180 | 139.7 | 104.8 | 22.7 | 4-19 | 435 |
| 3” | 203 | 190 | 152.4 | 127 | 24.3 | 4-19 | 480 |
| 4” | 229 | 230 | 190.5 | 157.2 | 24.3 | 8-19 | 585 |
| 5” | 254 | 255 | 215.9 | 185.7 | 24.3 | 8-22 | 680 |
| 6” | 267 | 280 | 241.3 | 215.9 | 25.9 | 8-22 | 765 |
| 8” | 292 | 345 | 296.5 | 269.9 | 29 | 8-22 | 955 |
| 10” | 330 | 405 | 362 | 323.8 | 30.6 | 12-26 | 1150 |
| 12” | 356 | 485 | 431.8 | 381 | 32.2 | 12-26 | 1360 |
| 14” | 381 | 535 | 476.3 | 412.8 | 35.4 | 12-29 | 1500 |
| 16” | 406 | 595 | 539.8 | 469.9 | 37 | 16-29 | 1700 |
| 18” | 432 | 635 | 577.9 | 533.4 | 40.1 | 16-32 | 1890 |
| 20” | 457 | 700 | 635 | 584.2 | 43.3 | 20-32 | 2110 |
| 24” | 508 | 815 | 749.3 | 692.2 | 48.1 | 20-35 | 2500 |
| 28” | 610 | 835 | 795.3 | 762 | 43 | 20-40 | 2900 |
| 32” | 660 | 940 | 900.1 | 864 | 44.6 | 20-48 | 3280 |
| 36” | 711 | 1055 | 1009.6 | 972 | 50.9 | 24-44 | 3720 |
| 40” | 762 | 1175 | 1120.8 | 1080 | 54.1 | 27-44 | 3980 |
| 48” | 864 | 1390 | 1335.1 | 1289 | 63.6 | 40-44 | 5920 |
300LB API GATE VALVE MAIN EXTERNAL DIMENSIONS(Unit:mm)
| NPS | L | D | D1 | D2 | b | Z-d | H |
| 2″ | 216 | 165 | 127 | 92.1 | 22.7 | 8-19 | 410 |
| 2 1/2″ | 241 | 190 | 149.2 | 104.8 | 25.9 | 8-22 | 453 |
| 3” | 282 | 210 | 168.3 | 127 | 29 | 8-22 | 509 |
| 4” | 305 | 255 | 200 | 157.2 | 32.2 | 8-22 | 612 |
| 5” | 381 | 280 | 235 | 185.7 | 35.4 | 8-22 | 670 |
| 6” | 403 | 320 | 269.9 | 215.9 | 37 | 12-22 | 805 |
| 8” | 419 | 380 | 330.2 | 269.9 | 41.7 | 12-26 | 1000 |
| 10” | 457 | 445 | 387.4 | 323.8 | 48.1 | 16-29 | 1209 |
| 12” | 502 | 520 | 450.8 | 381 | 51.3 | 16-32 | 1416 |
| 14” | 762 | 585 | 514.4 | 412.8 | 54.4 | 20-32 | 1582 |
| 16” | 838 | 650 | 571.5 | 469.9 | 57.6 | 20-35 | 1725 |
| 18” | 914 | 710 | 628.6 | 533.4 | 60.8 | 24-35 | 1950 |
| 20” | 991 | 775 | 685.8 | 584.2 | 64 | 24-35 | 2194 |
| 24” | 1143 | 915 | 812.8 | 692.2 | 70.3 | 24-41 | 2598 |
| 28” | 1346 | 920 | 857.2 | 787 | 87.4 | 33-36 | 3120 |
| 32” | 1524 | 1055 | 977.9 | 902 | 101.6 | 32-39 | 3690 |
| 36” | 1727 | 1170 | 1089 | 1010 | 101.6 | 32-42 | 4100 |
| 40” | 1930 | 1275 | 1190.6 | 1114 | 114.3 | 40-42 | 4500 |
| 48” | 2235 | 1510 | 1416 | 1327 | 127 | 40-48 | 5370 |
600LB API GATE VALVE MAIN EXTERNAL DIMENSIONS(Unit:mm)
| NPS | L | D | D1 | D2 | b | Z-d | H |
| 2″ | 292 | 165 | 127 | 92.1 | 32.4 | 8-19 | 418 |
| 2 1/2″ | 330 | 190 | 149.2 | 104.8 | 35.6 | 8-22 | 476 |
| 3” | 356 | 210 | 168.3 | 127 | 38.8 | 8-22 | 518 |
| 4” | 432 | 275 | 215.9 | 157.2 | 45.1 | 8-26 | 646 |
| 5” | 508 | 330 | 266.7 | 185.7 | 51.5 | 8-29 | 770 |
| 6” | 559 | 356 | 292.1 | 215.9 | 54.7 | 12-29 | 830 |
| 8” | 660 | 420 | 349.2 | 269.9 | 62.6 | 12-32 | 1020 |
| 10” | 787 | 510 | 431.8 | 323.8 | 70.5 | 16-35 | 1220 |
| 12” | 838 | 560 | 489 | 381 | 73.7 | 20-35 | 1450 |
| 14” | 889 | 605 | 527 | 412.8 | 76.9 | 20-38 | 1570 |
| 16” | 991 | 685 | 603.2 | 469.9 | 83.2 | 20-41 | 1790 |
| 18” | 1092 | 745 | 654 | 533.4 | 89.6 | 20-44.5 | 1930 |
| 20” | 1194 | 815 | 723.9 | 584.2 | 95.9 | 24-44.5 | 2200 |
| 24” | 1397 | 940 | 838.2 | 692.2 | 108.6 | 24-51 | 2580 |
| 28” | 1549 | 950 | 863.6 | 752 | 115.9 | 28-45 | 3360 |
| 32” | 1778 | 1085 | 984.2 | 860 | 130.2 | 28-52 | 3810 |
| 36” | 2082 | 1215 | 1104.9 | 968 | 146.1 | 28-56 | 4260 |
| 40” | 2286 | 1320 | 1212.8 | 1073 | 158.8 | 32-56 | 4670 |
| 48” | 2540 | 1595 | 1460.5 | 1289 | 189 | 32-70 | 5870 |
900LB API GATE VALVE MAIN EXTERNAL DIMENSIONS(Unit:mm)
| NPS | L | D | D1 | D2 | b | Z-d | H |
| 2″ | 368 | 215 | 165.1 | 92.1 | 45.1 | 8-26 | 498 |
| 2 1/2″ | 419 | 245 | 190.5 | 104.8 | 48.3 | 8-26 | 547 |
| 3” | 381 | 240 | 190.5 | 127 | 45.1 | 8-26 | 573 |
| 4” | 457 | 290 | 235 | 157.2 | 51.5 | 8-39 | 678 |
| 6” | 610 | 380 | 317.5 | 215.9 | 62.6 | 12-32 | 900 |
| 8” | 737 | 470 | 393.7 | 269.9 | 70.5 | 12-38 | 1103 |
| 10” | 838 | 545 | 469.9 | 323.8 | 76.9 | 16-38 | 1345 |
| 12” | 965 | 610 | 533.4 | 381 | 86.4 | 20-38 | 1520 |
| 14” | 1029 | 640 | 558.8 | 412.8 | 92.8 | 20-41 | 1902 |
| 16” | 1130 | 705 | 616 | 469.9 | 95.9 | 20-44.5 | 2051 |
| 18” | 1219 | 785 | 685.8 | 533.4 | 108.6 | 20-51 | 2212 |
| 20” | 1321 | 855 | 749.3 | 584.2 | 115 | 20-54 | 2411 |
| 24” | 1549 | 1040 | 901.7 | 692.2 | 146.7 | 20-67 | 2750 |
| 28” | 1778 | 1105 | 971.6 | 819 | 147.7 | 20-70 | 2910 |
| 32” | 2004 | 1240 | 1092.2 | 927 | 160.4 | 20-76 | 3080 |
| 36” | 2232 | 1345 | 1200.2 | 1029 | 173.1 | 24-76 | 3250 |
