Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Swing Body Material - Valves Ductile Iron Pipe or Tube Size 1 in Connection Type Threaded Mounting Orientation Horizontal Vertical Max Temp - Valves 280 Degrees F Max Water Pressure - Valves 750 psi Seat Material Rubber Full Flow - Valves Yes Application - Valves Oil Patch Length 4 1/4 in Cap to Inlet Center 1 in Standards NACE MR0-175