Victaulic® FIRELOCK™ Check Valve, 717 Series, 6 in Nominal, Grooved Connection, 365 psi, Water Media, 11-1/2 in Inlet to Outlet Length, 5 in Top to Inlet Center, 1000 Cv Flow Coefficient (Cv), Material Standard: ASTM A536 Grade 65-45-12, Ductile Iron Body, Ductile Iron Seat, EPDM Seal, Elastomer Disc, Ductile Iron/Elastomer Trim, EPDM Softgoods, Black, Finish: Painted, 8 in H, Domestic/Import: Domestic