Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Piston Body Material - Valves Stainless Steel Pipe or Tube Size 2 in Connection Type Socket Weld X Socket Weld Mounting Orientation Horizontal Vertical Max Temp - Valves 700 Degrees F Max Water Pressure - Valves 960 psi Seat Material Stellite Spring Material 316 Stainless Steel Application - Valves Corrosives Flammable Process Piping Toxic Length 6 49/64 in Cap to Inlet Center 4 18/25 in