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JIS20K flange swing check valve

JIS20K flange swing check valve

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Product parameters

JIS20K flange swing check valve is manufactured according to Japanese JIS standards. The main materials are stainless steel SCS13/SCS14 and carbon steel SCPH2. The pressure rating of the valve is represented by K.

JIS20K法兰旋启式止回阀

The installation position of JIS 20K swing check valve flange end swing check valve is not limited. Usually installed in horizontal pipelines, but it can also be installed in vertical pipelines. Or tilt the pipeline The disc swing check valve rotates around the shaft, and its fluid resistance is generally smaller than that of the lift check valve, making it suitable for larger diameter applications.

flange connection JIS 20K swing check valve body material: SCPH2, SCS13, SCS14 nuclear power source: 50A-500A design standard: JIS B2071, ASME B16.34 face-to-face: JIS B2002 flange standard: JIS B2220 inspection and testing: JIS B2003 type: flange valve cover

This product belongs to our Check valve range. For sizing, pressure rating, material and actuator selection, see our valve technical resources.

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Check valve

01 Why are check valves usually installed at the pump outlet?
The installation of check valves at the pump outlet is mainly to prevent reverse flow after the pump stops and to reduce the impact of reverse flow and pressure fluctuations on the pump and the system. The specific installation position and valve type should be determined through system hydraulic calculations, pump type, flow rate, water hammer risk, installation direction, and maintenance conditions; whether to install a bottom valve or other check devices at the pump inlet is another issue related to the system design.