Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Swing Body Material - Valves Stainless Steel Pipe or Tube Size 1 1/4 in Connection Type Threaded X Threaded Mounting Orientation Horizontal Vertical Max Temp - Valves 600 Degrees F Max Water Pressure - Valves 990 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 17/25 in