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
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

