Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Spring Body Material - Valves Bronze Pipe or Tube Size 3/4 in Connection Type FNPT x FNPT Cracking Pressure 3.5 psi Mounting Orientation Horizontal Vertical Max Temp - Valves 250 Degrees F Max Water Pressure - Valves 200 psi Max Steam Pressure - Valves Not Rated Spring Material 304 Stainless Steel Flow - Valves 13.6 gpm Application - Valves General Purpose Length 2 3/4 in Width 1 9/16 in