Wafer check valve is automatic, in a direction under the action of the fluid pressure, the valve flap open, the reverse flow of fluid by the fluid pressure and the valve flap valve self-acting on the valve seat, which cut off the flow.
Design Feature:
- Dual plate
- Light weight
- Compact design
- Metal seat
- Spring load disc
Design Standard:
- Design: API 594 / BS 1868
- Face to face: ASME16.10
- Flange end: ASME B16.5 / ASME B16.47
- Test: API598
Technical Specification:
- Size: DN 50 – DN 1000
- Pressure Class: 150Lb to 900Lb
- Connection: Double flange / Wafer / Lug
- Temperature: -60°C to +450°C
- Application: Petroleum refining / Chemical / Power plant
Material option:
- Body: Carbon steel(WCB,LCB) / Stainless steel(CF8,CF8M) / Duplex stainless steel(4A,5A,6A) / Aluminium bronze alloy(C95400,C95500,C95800,A
- Disc: F304 / F316 / C95800
- Spring: SS316 / Inconel 625















