How To Test Sump Pump Check Valve. Remove the pipe over the valve with a screwdriver. There are two ways you can check that your sump pump is working correctly.
Look out for water running back down during. A check valve is a valve that is used to prevent backflow in a piping system. At this point, you will hear the flap inside the valve swinging open.
This is the world's most reliable sump pump check valve.
Check the sump pump discharge line. Reliable seat seal the three piece cast trunnion ball valve produced by cepai adopts an elastic seal ring structure design. When the medium pressure is low, the contact area between the sealing ring and the sphere is small, and a larger specific pressure is formed in the contact between the sealing ring and the sphere to ensure reliable sealing. A check valve in the discharge of any pump is to keep flow reversing through it either by gravity or when another parallel pump on the same system is operating.