Hydraulic Check Valve Hydraulic Double Pilot Operated Check Valve Max Flow - Hydraulic Valves 25 gpm Max Pressure - Hydraulic Valves 2 000 psi Inlet Port Size - Hydraulic Valves 1/2 in NPT Outlet Port Size - Hydraulic Valves 1/2 in NPT Body Material - Hydraulic Valves Cast Iron Yes Reverse Free Flow