Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Y Swing Body Material - Valves Bronze Pipe or Tube Size 1 1/4 in Connection Type FNPT x FNPT Cracking Pressure 0.5 psi Mounting Orientation Horizontal Vertical Seal Material Bronze Max Temp - Valves 425 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 54 gpm Full Flow - Valves Yes