check valve,swing check valve casting 1/manufacturing for 20 years 2/high competitive price 3/over 600 type valve products

casting swing check valveA swing check valve or tilting disc check valve is check valve in which the disc, the movable part to block the flow, swings on a hinge or turnnion , either onto the seat to block reverse flow or off the seat to allow forward flow. The seat opening cross-section may be perpendicular to the centerline between the two ports or at an angle. Although swing check valves can come in various sizes, large check valves are often swing check valves.

swing check valve casting,check valve