Check flow valve refers to a kind of valve whose opening and closing parts are circular discs, which can block the reverse flow of medium by acting on its own weight and medium pressure.
The function of this type of check valve for water line is to only allow the medium to flow in one direction and prevent the flow in the opposite direction. Usually this kind of valve works automatically. Under the action of fluid pressure flowing in one direction, the valve disc opens; when the fluid flows in the opposite direction, the valve seat is acted on by the fluid pressure and the self-weight of the valve disc to cut off the flow.
Flow check valves are versatile and suitable for submersible, drainage, sump pumps and especially for sewage and sludge systems. Common full flow check valves are: KA Series Check Valve, CV Series Check Valve.
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