Legend Valve Y-Pattern Check Valve, S-453NL Series, 1-1/4 in Nominal, Sweat x Sweat Connection, 150 psi, 300 psi, 365 deg F, Water Media, 4.72 in Inlet to Outlet Length, 2.68 in Top to Inlet Center, Bronze Body, Bronze Disc, Bronze Trim, Lead-Free, Additional Information: 22 Cv Flow Coefficient