Gate Valve
The product is produced in accordance with API standard in designing, manufacturing and checking. It is compact in pattern, reliable in sealing and easy to operate. It is used in petroleum, chemical, electrical power, metallurgy, textile and other industry sector.
| Diameter | Main connection dimensions(mm) Class 150Lb | |||||||
| NPS | DN | RFL | d | D | D1 | D2 | b | n-Φd |
| 2" | 50 | 178 | 51 | 152 | 120.5 | 92 | 16 | 4-Φ19 |
| 2-1/2" | 65 | 190 | 64 | 178 | 139.5 | 105 | 18 | 4-Φ19 |
| 3" | 80 | 203 | 76 | 190 | 152.5 | 127 | 19 | 4-Φ19 |
| 4" | 100 | 229 | 102 | 229 | 190.5 | 157 | 24 | 8-Φ19 |
| 5" | 125 | 254 | 127 | 254 | 216 | 186 | 24 | 8-Φ22 |
| 6" | 150 | 267 | 152 | 279 | 241.5 | 216 | 26 | 8-Φ22 |
| 8" | 200 | 292 | 203 | 343 | 298.5 | 270 | 29 | 8-Φ22 |
| 10" | 250 | 330 | 254 | 406 | 362 | 324 | 31 | 12-Φ25 |
| 12" | 300 | 356 | 305 | 483 | 432 | 381 | 32 | 12-Φ25 |
| 14" | 350 | 381 | 337 | 533 | 476 | 413 | 35 | 12-Φ29 |
| 16" | 400 | 406 | 387 | 597 | 540 | 470 | 37 | 16-Φ29 |
| 18" | 450 | 432 | 438 | 635 | 578 | 533 | 40 | 16-Φ32 |
| 20" | 500 | 457 | 489 | 699 | 635 | 584 | 43 | 20-Φ32 |
| 24" | 600 | 508 | 591 | 813 | 749.5 | 692 | 48 | 20-Φ35 |
| Diameter | Main connection dimensions(mm) Class 300Lb | |||||||
| NPS | DN | RFL | d | D | D1 | D2 | b | n-Φd |
| 2" | 50 | 216 | 51 | 165 | 127 | 92 | 23 | 8-Φ19 |
| 2-1/2" | 65 | 241 | 64 | 190 | 149 | 105 | 26 | 8-Φ22 |
| 3" | 80 | 282 | 76 | 210 | 168.5 | 127 | 29 | 8-Φ22 |
| 4" | 100 | 305 | 102 | 254 | 200 | 157 | 32 | 8-Φ22 |
| 5" | 125 | 381 | 127 | 279 | 235 | 186 | 35 | 8-Φ22 |
| 6" | 150 | 403 | 152 | 318 | 270 | 216 | 37 | 12-Φ22 |
| 8" | 200 | 419 | 203 | 381 | 330 | 270 | 42 | 12-Φ25 |
| 10" | 250 | 457 | 254 | 445 | 387.5 | 324 | 48 | 16-Φ29 |
| 12" | 300 | 502 | 305 | 521 | 451 | 381 | 51 | 16-Φ32 |
| 14" | 350 | 762 | 337 | 584 | 514.5 | 413 | 54 | 20-Φ32 |
| 16" | 400 | 838 | 387 | 648 | 571.5 | 470 | 58 | 20-Φ35 |
| 18" | 450 | 914 | 432 | 711 | 628.5 | 533 | 61 | 24-Φ35 |
| 20" | 500 | 991 | 483 | 775 | 686 | 584 | 64 | 24-Φ35 |
| 24" | 600 | 1143 | 584 | 914 | 813 | 692 | 70 | 24-Φ41 |
| Diameter | Main connection dimensions(mm) Class 600Lb | |||||||
| NPS | DN | RFL | d | D | D1 | D2 | b | n-Φd |
| 2" | 50 | 292 | 51 | 165 | 127 | 92 | 26 | 8-Φ19 |
| 2-1/2" | 65 | 330 | 64 | 190 | 149 | 105 | 29 | 8-Φ22 |
| 3" | 80 | 356 | 76 | 210 | 168 | 127 | 32 | 8-Φ22 |
| 4" | 100 | 432 | 102 | 273 | 216 | 157 | 38 | 8-Φ25 |
| 5" | 125 | 508 | 127 | 330 | 266.5 | 186 | 45 | 8-Φ29 |
| 6" | 150 | 559 | 152 | 356 | 292 | 216 | 48 | 12-Φ29 |
| 8" | 200 | 660 | 200 | 419 | 349 | 270 | 56 | 12-Φ32 |
| 10" | 250 | 787 | 252 | 508 | 432 | 324 | 64 | 16-Φ35 |
| 12" | 300 | 838 | 298 | 559 | 489 | 381 | 67 | 20-Φ35 |
| 14" | 350 | 889 | 327 | 603 | 527 | 413 | 70 | 20-Φ38 |
| 16" | 400 | 991 | 375 | 686 | 603 | 470 | 77 | 20-Φ41 |
| 18" | 450 | 1092 | 419 | 743 | 654 | 533 | 83 | 20-Φ44 |
| 20" | 500 | 1194 | 464 | 813 | 724 | 584 | 89 | 24-Φ44 |
| 24" | 600 | 1397 | 559 | 940 | 838 | 692 | 102 | 24-Φ51 |
| Diameter | Main connection dimensions(mm) Class 900Lb | |||||||
| NPS | DN | RFL | d | D | D1 | D2 | b | n-Φd |
| 2" | 50 | 368 | 47 | 216 | 165.1 | 92 | 38.5 | 8-Φ26 |
| 2-1/2" | 65 | 419 | 57 | 244 | 190.5 | 105 | 41.5 | 8-Φ29 |
| 3" | 80 | 381 | 73 | 241 | 190.5 | 127 | 38.5 | 8-Φ26 |
| 4" | 100 | 457 | 98 | 292 | 235 | 157 | 44.5 | 8-Φ32 |
| 5" | 125 | 559 | 121 | 349 | 279.4 | 186 | 51 | 8-Φ35 |
| 6" | 150 | 610 | 146 | 381 | 317.5 | 216 | 56 | 12-Φ32 |
| 8" | 200 | 737 | 191 | 470 | 393.7 | 270 | 63.5 | 12-Φ39 |
| 10" | 250 | 838 | 238 | 545 | 469.9 | 324 | 70 | 16-Φ39 |
| 12" | 300 | 965 | 282 | 610 | 533.4 | 381 | 79.5 | 20-Φ39 |
| 14" | 350 | 1029 | 311 | 640 | 558.8 | 413 | 86 | 20-Φ42 |
| 16" | 400 | 1130 | 356 | 705 | 616 | 470 | 89 | 20-Φ45 |
| 18" | 450 | 1219 | 400 | 785 | 685.8 | 533 | 102 | 20-Φ51 |
| 20" | 500 | 1321 | 445 | 855 | 749.3 | 584 | 108 | 20-Φ54 |
| 24" | 600 | 1549 | 533 | 1040 | 901.7 | 692 | 140 | 20-Φ67 |
| 28" | 600 | 622 | 1168 | 1022.4 | 800 | 143 | 20-Φ80 | |
| 30" | 600 | 667 | 1232 | 1085.9 | 857.3 | 150 | 20-Φ80 | |
| 32" | 600 | 762 | 1314 | 1155.7 | 914.4 | 159 | 20-Φ86 | |
| 36" | 600 | 857 | 1461 | 1289.1 | 1022.4 | 172 | 20-Φ92 | |
| Diameter | Main connection dimensions(mm) Class 1500Lb | |||||||
| NPS | DN | RFL | d | D | D1 | D2 | b | n-Φd |
| 2" | 50 | 368 | 47 | 216 | 165.1 | 92 | 38.5 | 8-Φ26 |
| 2-1/2" | 65 | 419 | 57 | 244 | 190.5 | 105 | 41.5 | 8-Φ29 |
| 3" | 80 | 470 | 70 | 267 | 203.2 | 127 | 48 | 8-Φ32 |
| 4" | 100 | 546 | 92 | 311 | 241.3 | 157 | 54 | 8-Φ35 |
| 5" | 125 | 673 | 111 | 375 | 292.1 | 186 | 73.5 | 8-Φ42 |
| 6" | 150 | 705 | 136 | 394 | 317.5 | 216 | 83 | 12-Φ39 |
| 8" | 200 | 832 | 178 | 483 | 393.7 | 270 | 92.1 | 12-Φ45 |
| 10" | 250 | 991 | 222 | 585 | 482.6 | 324 | 108 | 12-Φ51 |
| 12" | 300 | 1130 | 263 | 675 | 571.5 | 381 | 124 | 16-Φ54 |
| 14" | 350 | 1257 | 289 | 750 | 635 | 413 | 133.5 | 16-Φ61 |
| 16" | 400 | 1384 | 330 | 825 | 704.8 | 470 | 146.5 | 16-Φ67 |
| 18" | 450 | 1537 | 371 | 915 | 774.7 | 533 | 162 | 16-Φ73 |
| 20" | 500 | 1664 | 416 | 985 | 831.8 | 584 | 178 | 16-Φ80 |
| 24" | 600 | 1934 | 498 | 1170 | 990.6 | 692 | 203.5 | 16-Φ93 |
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