Low Lead Swing Check Valve Material of Construction Bronze Size 1 In. Connection Type Threaded Length 3-1/4 In. Width 1 In. Overall Height 2 In. Cap to Inlet Center 2 In. Max Steam Pressure 150 psi Cracking Pressure 0.75 to 1 psi Max Temp 200 Degrees F Mounting Position With Pressure Coming From Under the Disc Flow 31 gpm Standards NSF/ANSI 372