Alarm Check Valves prevent reverse flow from sprinkler piping. The valve initiates an alarm during a sustained flow of water (such as an open sprinkler in the system). Alarm Check Valves are provided with Water Motor Gong and optional Pressure Switch.
UL / FM Alarm Check Valves. 300 psi rating. High Strength Ductile-Iron Body. Stainless Steel Stem and Ring. The UL / FM Alarm Check Valve, Vertical Trim (Flange x Flange) is Fusion Bonded Epoxy Coated Interior and Exterior to AWWA C550 Standard. Flanged ends to ANSI B16.1, Class 125, ASME B16.42, Class 150.
UL / FM Alarm Check Valves. 300 psi rating. UL / FM Alarm Check Valve, Vertical Trim (Flange x Groove) has a high strength ductile-iron body, with stainless steel stem and spring. Fusion Bonded Epoxy Coated Interior and Exterior to AWWA C550 Standard. Flanged end to ANSI B16.1, Class 125, ASME B16.42, Class 150. Grooved End to AWWA C606 Standard
UL / FM Alarm Check Valves. 300 psi rating. UL / FM Alarm Check Valve, Vertical Trim (Groove x Groove) high strength ductile-iron body, with stainless steel stem and spring. Fusion Bonded Epoxy Coated Interior and Exterior to AWWA C550 Standard. Grooved Ends to AWWA C606 Standard
