Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline True Union, Body Material - Valves CPVC, Pipe or Tube Size 3 in, Connection Type Socket x Socket, Cracking Pressure 3 psi, Mounting Orientation 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 150 gpm, Full Flow - Valves Yes