Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Swing, Body Material - Valves Brass, Pipe or Tube Size 3/4 in, Connection Type FNPT x FNPT, Cracking Pressure 0.725 psi, Mounting Orientation Horizontal, Seal Material Brass, Max. Temp. - Valves 212 Degrees F, Min. Temp. - Valves 32 Degrees F, Max. Water Pressure - Valves 200 psi @ 73 Degrees F, Max. Steam Pressure - Valves 120 psi WSP, Seat Material Brass, Flow - Valves 20 gpm, Full Flow - Valves No WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. -