Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Swing, Body Material - Valves 316 Stainless Steel, Pipe or Tube Size 3 in, Connection Type FNPT x FNPT, Cracking Pressure 0.5 psi, Mounting Orientation Horizontal, Seal Material PTFE, Max. Temp. - Valves 350 Degrees F, Min. Temp. - Valves -4 Degrees F, Max. Water Pressure - Valves 200 psi, Max. Steam Pressure - Valves 200 psi WSP, Flow - Valves 170 gpm, Full Flow - Valves Yes