Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Piston Body Material - Valves Stainless Steel Pipe or Tube Size 1/2 in Connection Type Socket Weld X Socket Weld Mounting Orientation Horizontal Vertical Max Temp - Valves 300 Degrees F Max Water Pressure - Valves 1 215 psi Seat Material Stellite Spring Material 316 Stainless Steel Application - Valves Corrosives Flammable Process Piping Toxic Length 3 7/64 in Cap to Inlet Center 2 2/5 in