Yongjia Kosen Valve

Butterfly Check Valve

Product Description KOSEN Butterfly Check Valves is a double offset , triple offset butterfly type check valve. It is equipped with a buffer to slow down the closing speed to make partial medium enter the system in order to greatly eliminate the backflow slamming and the destructive...

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Product Details

Product Description

Butterfly check valve is mainly used for industrial water supply, sewage treatment plant outlet of the pump to prevent the pipe network medium countercurrent. Automatically eliminate destructive water hammer, so as to ensure that pumps and pipelines are not damaged. It is the best product for industrial water and urban sewage discharge.

Technical Specification
Normal Size Range: DN200- DN1400
Normal Pressure Rating: PN10-PN25
Material: GG25, GG40, WCB
Temperature Range: -29°C~425°C

Standards compliance

Design and Manufacture: GB12236

Face to face(end to end): GB12221

Flanged connection: JB/T79-1994

Test and inspection: JB/T9092-1999



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