823 Series - Ductile Iron UL/FM Grooved End Swing Check Valve
820 Series - Cast Iron Flanged Swing Check Valve
824 Series - Ductile Iron UL/FM Flanged Swing Check Valve
UL / FM at 300 psi, UL / FM Swing Check Valves – Flange x Flange (2” – 12”
Sizes) are manufactured to AWWA C508 Standard, offering a Clear Waterway. Resilient Seating with EPDM rubber to bronze seat ring seal. Flanged Ends to ANSI B16.1, Class 125. Two test plugs included. Fusion Bonded Epoxy Coated Interior and Exterior to AWWA C550 Standard. Certfied to NSF / ANSI 61 & 372.