Yongjia Kosen Valve

Forged Pressure Seal Piston Check Valve

Product Description KOSEN Forged Pressure Seal Piston Check Valves is a valve which is automatically opened and closed by the flow of the medium itself. It is used to prevent the reverse flow of the medium. It is also called the reverse check valve, the one-way valve, the countercurrent valve...

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Product Details

Product Description

1. The valve is an automatic sealing valve. The valve automatically opens and closes the valve discs depending on the flow of the medium itself, effectively preventing the medium from flowing backwards.

2. disc with stainless steel spring device, valve can be installed vertically and vertically.

3. sealing surface hardfacing CO cemented carbide, wear resistance, corrosion resistance, friction resistance and long service life.

4. the product is reasonable in structure, reliable in sealing, excellent in performance and beautiful in appearance.


Technical Specification
Normal Size Range: 1/2"- 2"
Normal Pressure Rating: PN100~PN420, CLASS600~2500  
Material: A105,LF2,F11,F22,F304,F304L,F316,F316L
Temperature Range: -29~425Degree 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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