Cast Steel Check Valve

Cast Steel Check Valves are offered in swing check, piston check and tilting disc check styles, with the seat hard faced for durable appliations.

 

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Key Specifications / Features

A swing check valve is a check valve in which the disc, the movable part to block the flow, swings on a hinge or trunnion, 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. A common issue caused by swing check valves is known as water hammer. This can occur when the swing check closes and the flow abruptly stops, causing a surge of pressure resulting in high velocity shock waves that act against the piping and valves, placing large stress on the metals and vibrations in the system. Undetected, water hammer can rupture pumps, valves, and pipes within the system.

Drawing & Dimensions

Cast Steel Check Valve Class 150

 

Cast Steel Check Valve Class 300

 

Cast Steel Check Valve Class 600

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