Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Y True Union, Body Material - Valves CPVC, Pipe or Tube Size 1/2 in, Connection Type FNPT x FNPT, Cracking Pressure 1 psi, Mounting Orientation Horizontal, Vertical, Seal Material EPDM, Max. Temp. - Valves 190 Degrees F, Min. Temp. - Valves 40 Degrees F, Max. Water Pressure - Valves 150 psi @ 70 Degrees F, Max. Steam Pressure - Valves Not Rated, Seat Material EPDM, Flow - Valves 0.8 gpm, Full Flow - Valves Yes