Item – Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Swing, Body Material – Valves Ductile Iron, Pipe or Tube Size 4 in, Connection Type Threaded, Mounting Orientation Horizontal, Vertical, Max. Temp. – Valves 280 Degrees F, Max. Water Pressure – Valves 300 psi, Seat Material Rubber, Full Flow – Valves Yes, Application – Valves Oil Patch, Length 10 in, Cap to Inlet Center 3 49/50 in, Hex Size Not Applicable, Standards NACE MR0175