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Wafer check valve is a general purpose one-way fluid valve. It is light in weight, small in size and easy to install between flanges. The inside of the valve is composed of two semi-circular springs and a plate surface, which are fixed on the valve body with pins. The spring deformation makes the valve plate close, and the fluid pressure makes it open the spring. Deformation is fast, which protects the pipe from water hammer.
Check valve installation precautions
When placing the pipeline, care should be taken to make the passing direction of the wafer check valve consistent with the flow direction of the fluid
Installed in vertical piping.For horizontally positioned lines, vertical wafer check valves
Use a telescopic tube between the wafer check valve and the butterfly valve, never connect it directly to other valves
Avoid adding fittings and blockages within the operating radius of the valve plate
Do not install a reducer before or after the wafer check valve
When installing the wafer check valve near the elbow, pay attention to leaving enough space
When a wafer check valve is installed at the pump outlet, a space of at least six times the diameter of the valve should flow out to ensure that the disc is eventually affected by the fluid.
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