The silent check valve refers to a valve that automatically opens and closes the valve flap by means of the flow of the medium itself. The valve for preventing the backflow of the medium, also called the check valve and the check valve, belongs to an automatic valve, and its main function is to prevent the medium from flowing backward. Prevent the pump and drive motor from reversing and the discharge of the container media. The check valve can also be used to supply a line in which the pressure may rise to an auxiliary system that exceeds the system pressure.
