Hydraulic Check Valve, Hydraulic Check Valve, Max. Pressure - Hydraulic Valves 5,000 psi, Inlet Port Size - Hydraulic Valves 1 in NPT, Outlet Port Size - Hydraulic Valves 1 in NPT, Body Material - Hydraulic Valves Steel, Adjustable Relief Valve No, No Reverse Free Flow, Length (In.) 4.88 in, Width (In.) 1.69 in, For Use With Hydraulic Systems