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