Material of main parts of manual wafer knife gate valve
Valve body 、upper cover | Carbon steel, stainless steel |
Ram | stainless steel |
Stem | stainless steel |
seal ring | Rubber, PTFE, stainless steel, cemented carbide |
Main performance specifications
Nominal pressure | PN |
Shell test | 1.5XPN |
Sealing test | 1.1XPN |
working temperature | Rubber ≤ 80 ℃, PTFE seal ≤ 180 ℃, hard seal ≤ 425 ℃ |
Applicable medium | Syrup, pulp, sewage, coal slurry, slag water mixture |
Main connection dimensions
DN (mm) |
L | D | D1 | D2 | H | N-M | D0 |
PZ73X-10 PZ73F-10 PZ73H-10 PZ73Y-10 | |||||||
50 | 48 | 165 | 125 | 102 | 285 | 4-M16 | 180 |
65 | 50 | 185 | 145 | 122 | 298 | 8-M16 | 180 |
80 | 51 | 200 | 160 | 138 | 315 | 8-M16 | 220 |
100 | 51 | 220 | 180 | 158 | 365 | 8-M16 | 220 |
125 | 57 | 250 | 210 | 188 | 400 | 8-M16 | 230 |
150 | 57 | 285 | 240 | 212 | 475 | 8-M20 | 280 |
200 | 70 | 340 | 295 | 268 | 540 | 8-M20 | 360 |
250 | 70 | 395 | 350 | 320 | 630 | 12-M20 | 360 |
300 | 76 | 445 | 400 | 370 | 780 | 12-M20 | 400 |
350 | 76 | 505 | 460 | 430 | 885 | 16-M20 | 400 |
400 | 89 | 565 | 515 | 482 | 990 | 16-M24 | 400 |
450 | 89 | 615 | 565 | 532 | 1100 | 20-M24 | 530 |
500 | 114 | 670 | 620 | 585 | 1200 | 20-M24 | 530 |
600 | 114 | 780 | 725 | 685 | 1450 | 20-M27 | 600 |
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