Introduction of Check Valve

The lift check valve refers to a valve that automatically opens and closes the disc by the flow of the medium itself, and is used to prevent the back flow of the medium. It is also called a check valve, a one-way valve, a non-return valve and a back pressure valve. The check valve is an automatic valve whose main function is to prevent the backflow of medium, the reversal of pump and drive motor and the discharge of container medium. The check valve can also be used to a line that supply to auxiliary system in which the pressure may exceeds the system pressure. The check valve can be mainly divided into a swing check valve (rotating with the center of gravity) and a lift check valve (moving along the axis).