Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Swing Body Material - Valves Stainless Steel Pipe or Tube Size 3 in Connection Type Flanged X Flanged Cracking Pressure 0.02 psi Max Temp - Valves 650 Degrees F Max Water Pressure - Valves 125 psi Seat Material Metal Application - Valves Corrosives Oil Pipeline Steam Water Length 9 31/64 in Cap to Inlet Center 4 18/25 in Standards ASME B16.34 ASME Class 150