Executive standard of pneumatic gate valve
design code | Structural length | Test and inspection | Pressure temperature |
JB/T 7746、API602MSS SP-81 | JB/T 7746MSS SP-81 | JB/T 9092、API598MSS SP-81 | GB/T 9131、ANSI B16.34 |
Material of main parts
Valve body and upper cover | Carbon steel, stainless steel |
Ram | stainless steel |
Stem | stainless steel |
seal ring | PTFE, PTFE rubber |
Main performance specifications
Nominal pressure | PN |
Shell test | 1.5XPN |
Sealed pressure vessel | 1.1XPN |
working temperature | Rubber ≤ 80 ℃, PTFE seal ≤ 180 ℃ |
Applicable medium | Dry ash, pulp, syrup, sewage, gas powder particles, slag water mixture, etc |
Drawing of pneumatic gate valve
Main connecting dimensions of pneumatic gate valve PN1.0/1.6MPa
DN(mm) | L | H1 | H2 | H3 | D1 | D2 | D0 | N-M | P | B |
Z673X/FSCZ Z973X/FSCZ |
100 | 51 | 405 | 705 | 585 | 180 | 156 | 240 | 8-M16 | 490 | 170 |
125 | 57 | 450 | 750 | 665 | 210 | 184 | 260 | 8-M16 | 490 | 190 |
150 | 57 | 510 | 810 | 770 | 240 | 211 | 280 | 8-M20 | 490 | 240 |
200 | 70 | 615 | 930 | 920 | 295 | 266 | 300 | 12-M20 | 520 | 335 |
250 | 70 | 715 | 1080 | 1175 | 355 | 319 | 320 | 12-M24 | 520 | 335 |
300 | 76 | 822 | 1140 | 1255 | 410 | 370 | 340 | 12-M24 | 520 | 335 |
350 | 76 | 975 | 1290 | 1455 | 470 | 429 | 360 | 16-M24 | 520 | 350 |
400 | 89 | 1024 | 1344 | 1559 | 525 | 480 | 400 | 16-M27 | 605 | 390 |
450 | 89 | 1235 | 1560 | 1926 | 585 | 548 | 450 | 20-M27 | 605 | 430 |
500 | 114 | 1265 | 1610 | 2226 | 650 | 609 | 500 | 20-M30 | 605 | 430 |