APCO Swing Check Valves prevent the back flow of fluid by closing before flow reversal, thereby preventing slam and water hammer. Constructed with a heavy ductile iron body, APCO Swing Check Valves have been successfully installed in clean and dirty applications sewage and water treatment facilities. The designs meet or exceed the current revision of AWWA standard C508. Closure control devices include Air Cushioned Cylinder, Oil Controlled Cylinder, Bottom Mounted Buffer, Lever & Spring and Lever & Weight.
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