Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Swing, Body Material - Valves Bronze, Pipe or Tube Size 1 1/4 in, Connection Type Sweat x Sweat, Cracking Pressure 0.500 to 0.750 psi, Mounting Orientation Horizontal, Seal Material Bronze, Max. Temp. - Valves 406 Degrees F, Min. Temp. - Valves -20 Degrees F, Max. Water Pressure - Valves 200 psi @ 150 Degrees F, Max. Steam Pressure - Valves 125 psi WSP, Seat Material Bronze, Flow - Valves 54 gpm