Swing Check Valve Material of Construction 316 Stainless Steel Size 1-1/2 In. Connection Type Socket Weld Length 4-23/32 In. Width 2-15/16 In. Overall Height 4-23/32 In. Cap to Inlet Center 2-61/64 In. Max Water Pressure 200 psi Cracking Pressure 5.6 psi Max Temp 353 Degrees F Mounting Position Horizontal Flow 72 gpm Hex Size 2-17/64 In.