UL/FM Swing Check Valves are designed and manufactured in conformance with AWWA C508 STANDARD and are for use on water, oil and gas lines. Under certain circumstances where it is desirable to have more positive control of the closing of the disc, the valves can be supplied with either lever-and-spring or lever-and-weight.
FireWall UL/FM Swing Check Valves Class 150 Flanged end connections, 300 PSI/20.7 bar non-shock water working pressure (WWP), Iron body, bronze mounted trim (IBBM), Bolted bonnet, Renewable seat and disc, All sizes tapped ¾” at location “C” for ball drip assembly, Flanged end connections
UL/FM Swing Check Valves Conforms to AWWA C508 STANDARD, Listed by Underwriters Laboratories of US and FM Approved