Victaulic® FireLock® Check Valve Assembly, High Pressure Riser, Series: 717HR, 3 in Nominal, Grooved, 365 psi Maximum, Specifications Met: ASTM A536, Grade 65-45-12, cULus Listed, Media: Water, 9.62 in Inlet to Outlet Length, 10.78 in Top to Inlet Center, Ductile Iron Body, Nitrile Seal, Painted Black Enamel
Features a stainless steel disc which seats against the O-ring seal, when mounted on the electroless nickel-plated face