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swing check valve

Swing valve. a swing valve is a butterfly-style 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, u2026
Apco swing check valves (cvs) design features: all apco swing check valves (cvs-6000/6000a, cvs-250/250a and cvs-edv) are used to prevent the back flow of fluid by closing before flow reversal, thereby preventing slam and water hammer.
Swing check valve or non return valves also can be supplied with titling disc design, dash pot arrangement and outside lever & weight design for use where control of the disc is desires. swing check valves are self actuating type. design & testing international standard of swing check valve
Henry pratt company has a full line of check valves including: swing check, spring loaded, double disc, globe, compact wafer-silent, wafer, flexible disc, tilted disc, and rubber flapper.selection chart

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