Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Spring Body Material - Valves Bronze Pipe or Tube Size 1 1/2 in Connection Type Sweat x Sweat Cracking Pressure 4.3 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 26 gpm Application - Valves General Purpose Length 4 15/16 in Width 2 21/64 in