Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Swing, Body Material - Valves Bronze, Pipe or Tube Size 2 in, Connection Type FNPT x FNPT, 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 300 psi @ 150 Degrees F, Max. Steam Pressure - Valves 150 psi WSP, Seat Material Bronze, Flow - Valves 131 gpm