Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Swing, Body Material - Valves Steel, Pipe or Tube Size 1 1/2 in, Connection Type Threaded X Threaded, Mounting Orientation Horizontal, Vertical, Max. Temp. - Valves 650 Degrees F, Max. Water Pressure - Valves 1,465 psi, Seat Material Stellite, Spring Material 316 Stainless Steel, Application - Valves Corrosives, Flammable, Process Piping, Toxic, Length 4 23/32 in, Cap to Inlet Center 1 23/25 in