Item - Check Valves Check Valve, Flow Design Dual, Mechanism and Body Design Inline, Body Material - Valves Brass, Pipe or Tube Size 3/4 in, Connection Type Press x Press, Cracking Pressure 25 psi, Mounting Orientation Horizontal, Vertical, Seal Material Rubber, Max. Temp. - Valves 250 Degrees F, Max. Water Pressure - Valves 175 psi, Max. Steam Pressure - Valves Not Rated, Seat Material Stainless Steel, Flow - Valves 18 gpm, Application - Valves General Purpose, Length 4 1/2 in, Width 2 9/16 in