Swing Check Valve

Swing check valve, the core role is to prevent the backflow of media in the pipeline. This valve is automatic work, in one direction of flow of fluid pressure, valve open; fluid flow in the opposite direction, by the fluid pressure and valve flap of the self-weight valve flap to act on the valve seat, so as to cut off the flow. Rotary check valve closure is a valve with the pipeline diameter of the valve flap or disk, hanging in the valve cavity, the fluid is flowing in the fluid pressure under the action of the valve flap to open, the pressure drops in the valve flap in the self-weight and the counter-flow of the fluid pressure to close. Swing check valve in the fully open condition, the fluid pressure is almost unimpeded, so the pressure drop through the valve is relatively small.