Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Ball Cone, Body Material - Valves Bronze, Pipe or Tube Size 1 in, Connection Type Press x Press, 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 250 psi, Max. Steam Pressure - Valves 15 psi WSP, Seat Material RPTFE, Spring Material 316 Stainless Steel, Flow - Valves 6 gpm WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -