ANSI&DIN Wafer single plate Check Valve

The ANSI&DIN Wafer single plate Check Valve refers to the valve that automatically opens and closes the valve disc depending on the flow of the medium itself to prevent the backflow of the medium. It is also known as check valve, one-way valve, backflow valve and back pressure valve. The check valve belongs to an automatic valve, which is mainly used to prevent medium backflow, reverse rotation of pump and driving motor, and discharge of container medium


1. Simple structures and small dimensions
2. For direct assembly between flanges in accordance with ASME or DIN
3. No maintenance
4. Light weight
5. Reduced bore (RB)


Size: from 1.1/2″ to 24″
Pressure: 150 – 600LB / PN16 – PN64
Material: A105, AISI304, AISI316, bronze. Sealing, metal, NBR, EPDM, Viton, PTFE
Distance between flanges: API 6D, ASME B16.10, EN558
Connected in accordance with standard: ANSI B16.5, API 605, EN-DIN
Test standard: API598, API 600, ISO5208
Medium: The valve is suitable for several media including water, steam, oil, gas, petrol products, nitric acid, acetic acid, etc.
Working temperature: from -50ºC (stainless steel constructions) and -29ºC (carbon steel constructions) up to 600℃

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