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