Check Valve

Check valve, also known as non-return valve, reflux valve, and back pressure valve. Check valve for the piping system, piping in the media by the forces generated by the movement itself automatically turned on and off, kind of automatic valve, whose main role is to prevent the media back and to prevent the pump and drive motor reversal, and The media discharging. Check valve can also be used to the pressure which may rise to exceed the system supply pressure of the auxiliary system of pipeline. Check valve can be divided into swing check valve (according to the focus of rotation) and lift check valves (along the axis of movement).