Manufacturer
United Brass
Part Number
90

WAFER CHECK VALVES 250 lbs. WOG (Specify Service if other than cold water) 100% Hydrostatic Tested Sizes 4", 6" and 8" "O" Ring Seals Ductile Iron Body Bronze Clapper and Seat Ring Stainless Steel Spring Closing UL Listed/FM Approved The 4" size is provided with a 1/2" pipe plug in drain port as standard. Used when a positive closure check is needed, such as fire service applications. Designed for low friction loss.