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DongE, Liaocheng, Shandong
At the end of valve consists of valve body, valve, valve cover, sleeve, sealing ring and other parts, see the figure below water source from the valve cover into the valve body. Under the pressure of the fluid, the valve flap to open water, when the show stopped exports after the pressure inside the tube will flap valve is closed quickly, the liquid will not back into the water, to that the smooth pumping and save water loss function.
1, in order to prevent the medium countercurrent, in equipment, apparatus and pipeline should be fitted with check valve;
2, the check valve is generally applicable to the cleaning medium, should not be used for containing solid particles and high viscosity medium;
3, general nominal by *0mm horizontal pipelines should use vertical lift check valve;
