High Pressure Flange Check Valve
High pressure flange check valve
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High pressure flange check valve
[High-pressure flange check valve technical parameters]
| Nominal pressurePN(MPa) | test pressureMPa | Applicable media | proper temperature | |
| body | sealing | |||
| 1.6 | 2.4 | 1.6 | Water, steam, oil (C) Acid elimination (P) Acetic acid(R) |
≤425℃ |
| 2.5 | 3.75 | 2.5 | ||
| 4.0 | 6.0 | 4.0 | ||
[Main materials of high pressure flange check valve]
| part | materail | ||
| C | P | R | |
| valve body | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| Bushing | 1Cr13,2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| seat sealing | 507 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| Valve disc sealing surface | 507Mo | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
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