Rubber Lined Check Valve

The seat sealing surface of the Rubber Lined Check Valve can be used as body hardfacing material or lining rubber, which has wide application range and reliable sealing. For industrial, environmental protection, water treatment, high-rise building water supply and drainage pipeline, to prevent the reverse flow of media. The Rubber Lined Check Valve plate is two semicircle, and the spring is forced to reset. Because the force of the torsion spring usually is closed, when the fluid is moving forward, the pressure of the fluid turns the disc to turn around the hinge and the valve opens. Once the fluid flow stops, the valve is closed before reverse flow due to the action of the spring.

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Product Description

The seat sealing surface of the Rubber Lined Check Valve can be used as body hardfacing material or lining rubber, which has wide application range and reliable sealing. For industrial, environmental protection, water treatment, high-rise building water supply and drainage pipeline, to prevent the reverse flow of media. The Rubber Lined Check Valve plate is two semicircle, and the spring is forced to reset. Because the force of the torsion spring usually is closed, when the fluid is moving forward, the pressure of the fluid turns the disc to turn around the hinge and the valve opens. Once the fluid flow stops, the valve is closed before reverse flow due to the action of the spring.

 

Technical Specification
Normal SizeRange: 2"-24"
Normal Pressure Rating: CLASS150~300  
Material: GG25, GG40
TemperatureRange: -29~80Degree C


Standards compliance

Design and Manufacture: API 594, API 6D, JB/T8937

Face to face(end to end): API 594, API 6D, JB/T8937, DIN3202

Flanged connection: ANSI B16.5, DIN2543~48, JB/T9112~24

Butt welded end: ANSI B16.25

Test and inspection: API598, DIN3230, JB/T9092

 

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