Yongjia Kosen Valve

Stainless Steel Check Valve

Product Description KOSEN Stainless Steel Check Valves is used to prevent back flow in the line .Flow is in a straight line through the valve resulting in minimal pressure drop . The disc swings into the open position as the media flows through the line .Back pressure in the line holds the disc...

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Product Details

Product Description

Stainless steel check valves are suitable for oil, chemical, pharmaceutical, fertilizer, power industry and other working conditions with pressure of 1.6-25 MPa/2.0-42.0 MPa and operating temperature of - 29-550. They are suitable for water, oil, steam, acid medium, etc. The valve is used in pipeline system, its main function is to prevent medium backflow, prevent the pump and its drive motor reversal, and the release of media in the container.


Technical Specification
Normal Size Range: 1/2"- 2"
Normal Pressure Rating: PN10~PN250, CLASS150~1500  
Material: A105,LF2,F11,F22,F304,F304L,F316,F316L
Temperature Range: -29°C~425°C

Standards compliance

Design and Manufacture: API602

Face to face(end to end): ASME B16.10

Flanged connection: ASME B16.5

Butt welded end: ASME B16.25
Socket-Welding Ends: ASME B16.11

Screwed Ends: ASME B1.20.1

Test and inspection: API598


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