Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Ball Cone, Body Material - Valves Bronze, Pipe or Tube Size 3/8 in, Connection Type FNPT x FNPT, Cracking Pressure 0.5 psi, Mounting Orientation Horizontal, Vertical, Seal Material EPDM, Max. Temp. - Valves 180 Degrees F, Min. Temp. - Valves 33 Degrees F, Max. Water Pressure - Valves 400 psi, Max. Steam Pressure - Valves 125 psi WSP, Seat Material RPTFE, Spring Material Stainless Steel, Flow - Valves 1.21 gpm WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -