824 Series - Ductile Iron UL/FM Flanged Swing Check Valve
823 Series - Ductile Iron UL/FM Grooved End Swing Check Valve
UL / FM at 300 psi, the highest rated pressure in the industry. UL / FM Swing Check Valves – Groove x Groove (2.5” – 12” Sizes) have a full waterway design, providing maximum flow area. Offers low pressure drop, non-slam performance. High strength ductile iron construction. For horizontal or vertical installations. Two test plugs included. Fusion Bonded Epoxy Coated to AWWA C550 Standard.