Lift Check Valve
High pressure flange check valve
High-pressure flange check valve refers to a valve that automatically opens and closes the valve disc by the flow of the medium itself to prevent the backflow of the medium. It is also called a non-return valve, a one-way valve, a reverse flow valve, and a back pressure valve. The check valve is an automatic valve. Its main function is to prevent the backflow of the medium, the reverse rotation of the pump and the drive motor, and the release of the container medium. The check valve can also be used to provide supply to the auxiliary system where the pressure may rise to exceed the system pressure.
materail
| parts name | |||
| C | P | R | |
| valve body | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| Bushing | 1Cr13,2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| Seat surface | 507 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| Valve disc sealing surface | 507Mo | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| pressure PN(MPa) | DN(MM) | 尺 寸 (mm) | (Kg) | ||||||
| L | D | D1 | D2 | b | H | Z-d | |||
| 1.6 | 25 | 160 | 115 | 85 | 65 | 16 | 71 | 4-14 | 3.3 |
| 32 | 180 | 135 | 100 | 78 | 18 | 84 | 4-18 | 5.0 | |
| 40 | 200 | 145 | 110 | 85 | 18 | 96 | 4-18 | 6.3 | |
| 50 | 230 | 160 | 125 | 100 | 20 | 115 | 4-18 | 8.9 | |
| 65 | 290 | 180 | 145 | 120 | 20 | 145 | 4-18 | 13.2 | |
| 80 | 340 | 195 | 160 | 135 | 22 | 156 | 8-18 | 24 | |
| 100 | 350 | 215 | 180 | 155 | 24 | 170 | 8-18 | 48 | |
| 125 | 400 | 245 | 210 | 185 | 26 | 201 | 8-18 | 60 | |
| 150 | 480 | 280 | 240 | 210 | 26 | 238 | 8-23 | 95 | |
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