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русскийA check valve, also known as a one-way valve or a check valve, is used to prevent the backflow of the medium in the pipeline. The bottom valve for pump suction is also a check valve. The opening and closing products are automatically opened or closed by the flow and force of the medium. The valve that returns the medium is called a check valve.
The check valve is an automatic valve. The check valve is mainly used for the one-way flow pipeline of the medium. In order to prevent accidents, the medium can only flow in one direction.
There are three types of rotary check valves: single check valve, double check valve and multi-valve check valve. Butterfly check valves are straight-through check valves. These check valves can be divided into three types: threaded check valves, flanged check valves and welded check valves.
When installing the check valve, the direction of medium flow should be consistent with the direction of the arrow on the valve body vote. Check valve classification and function Check valve can be divided into three types: lift check valve, rotary check valve and butterfly check valve according to the structure. Lift check valve can be divided into vertical check valve and horizontal check valve.
