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Guocheng Valve Group Co., LTD. is one of the leading China Cast Steel Check Valve manufacturers, welcome to wholesale cheap Cast Steel Check Valve from our factory.

API 6D/ BS 1868 SWING CHECK VALVE DESCRIPTION

The valve is opened or closed by the valve disc to rotate around the spindle outside the valve seat; and it is an automatic valve when it is automatically opened or closed by the force generated by the medium flowing within the pipeline. Its major function is to prevent the backflow of the medium in the pipeline, reverse rotation of the pump and its driving motor, and discharge of the medium in the container.

Full open according to API 6D requirements is available.

DESIGN FEATURES

Design standard as per: API 6D/ BS1868

Compact and reasonable product structure, reliable tightness and good performance;

Smooth fluid passageway and small fluid resistance;

Swing type disc.

Can be designed with a Damping Cylinder.

Rapid closing and flexible actions of the valve disc.

Small closing impact, water hammer is not liable to be generated.

Smooth fluid passageway and small fluid resistance.

MATERIAL SELECTION

– CS (ASTM A216 WCB, WCC, WC6, WC9), LTCS (ASTM A352 LCB, LCC, LC1, LC2, LC3)

– Austenitic SS304 (ASTM A351 CF8), SS316 (ASTM A351 CF8M), SS304L(ASTM A351 CF3), SS316L(ASTM A351 CF3M)

– Duplex SS (ASTM A8904A, 5A, 6A)

– Alloy 625(UNS N06625)

– Alloy 825(UNS N08825)

– Special alloy material(CW6MC)

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