Butterfly Check Valve for Sale

The butterfly check valve belongs to butterfly valve, which includes a swivel check valve and a lift check valve. The swivel check valve has a hinge mechanism, and a valve-like valve flap free to rest on the inclined seat surface. The function of the butterfly check valve is to allow only the medium to flow in one direction, and to prevent the direction of flow.

Butterfly check valve, usually this valve is automatically working in a direction of the flow of fluid under pressure, the valve flap open; When the fluid flows in the opposite direction, the fluid pressure and the self-merging flap of the flap act on the valve seat to cut off the flow.