Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Swing, Body Material - Valves Bronze, Pipe or Tube Size 3/4 in, Connection Type FNPT x FNPT, Cracking Pressure 0.750 to 1.000 psi, Mounting Orientation Horizontal, Vertical, Seal Material PTFE, Max. Temp. - Valves 406 Degrees F, Min. Temp. - Valves -20 Degrees F, Max. Water Pressure - Valves 300 psi, Max. Steam Pressure - Valves 150 psi WSP, Seat Material Bronze, Flow - Valves 20 gpm, Full Flow - Valves Yes WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -