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The wafer check valve is a universal one-way fluid valve. Its light weight, small size, easy to install between the flanges, the valve consists of two semi-circular spring and the plate surface, the pin is fixed on the valve body spring deformation of the valve plate closed, the fluid pressure in turn make it open the spring Deformation quickly, this will protect the pipe from water hammer damage. Check Valve Installation Precautions: When placing the pipe, make sure that the direction of flow of the check valve is the same as that of the fluid. Install the pipe in a vertically placed pipe. Level gauge For horizontal piping, use a check valve vertically. Use a bellows between the check valve and the butterfly valve, and do not connect it directly to other valves. Within the operating radius of the valve plate , To avoid adding pipe joints and obstructions Do not install an adjustable pipe in front of or behind the wafer check valve When installing the wafer check valve near the bend, be sure to leave sufficient space at the pump outlet When mounting the wafer check valve, the oxygen valve must be vented at least six times the space of the valve diameter to ensure that the disc is ultimately fluidic