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