Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Swing Body Material - Valves Carbon Steel Pipe or Tube Size 1 in Connection Type Threaded Mounting Orientation Horizontal Vertical Max Temp - Valves 280 Degrees F Max Water Pressure - Valves 1 440 psi Seat Material Rubber Full Flow - Valves Yes Application - Valves Oil Patch Length 4 1/4 in Cap to Inlet Center 3 17/50 in Standards NACE MR0-175