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
