Hydraulic Valve 2 Spool Hydraulic Joystick Control Valve 11gpm Hydraulic Directional Control Valve Double Acting for Tractors Loaders Tanks. DOUBLE ACTING? – Our hydraulic control valve is made for operating double-acting cylinders. DURABLE QUALITY? – This hydraulic directional control valve comes with 2 spools and #8 SAE O-ring in/out ports, with cast iron construction for long-time use. HIGH PERFORMANCE? – This hydraulic relief valve range can reach up to 3600 PSI and the maximum flow is up to 11 GPM. SPRING RETURN? – All spool valves come with spring return, which can return to the neutral position. WIDELY USED? – This hydraulic directional valve is suitable for small tractors, tractors loaders, log splitters, etc.