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check valve also known as a one-way valve or check valve, and its role is to prevent the media back in the pipeline. Pump water off the bottom valve check valve alSo belongs to class.
sluicegate pieces by medium flow and the forces to open or close, backflow valve to prevent the MedIa called the check valve. Check valves are automatic valves, mainTo be used for one-way flow of media channels, only allowing media to flow in one direction, to prevent accidents. white-s
check valve according to its structure, can be divided into the lift check valve, swing check valve and butterfly valve three. Lift check VAlve can be divided into two types of vertical and horizontal. Swing check valve is divided into a single type, double valve and valve type three.
