Executive standard of pneumatic gate valve
| design code | Structural length | Test and inspection | Pressure temperature |
| JB/T 7746bAPI602MSS SP-81 | JB/T 7746MSS SP-81 | JB/T 9092bAPI598MSS SP-81 | GB/T 9131bANSI 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 ¡ÃƒÂœ 80 ¡æ, PTFE seal ¡Ü 180 ¡æ |
| 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           ÂÂ
| 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 |
