GYZJ Hydraulic Flow Control Valve 6 Spool 15 GPM SAE Ports Adjustable Relief Lever Handle Double Acting Parallel Center Tractor Loader W/Joystick Small Tractors/Tanks Loaders Log Splitters 3600 PSI. [Hydraulic 6 Spool Valve] - Equipped with 6 spool and G1/2 type inlet/outletports. Maximum pressure of this hydraulic is 3600 PSI, and maximum flow can reach 15 GPM. Widely used in small tractors, tractor loaders, log diverters and other machinery. [Spring Return] - All slide valves are equipped with spring return, which can be reset to the neutral position with a slight shaking, which is easy to operate and convenient. [Double Acting] - Our hydraulic control valve is used to operate double-acting cylinders, which will be more convenient and practical when you use it. [Parallel Oil Circuit] - Parallel oil circuit, manual control, closed valve, through the pressure output port connected with other hydraulic components to provide power source. We will definitely give you a satisfactory answer. Any product you return must be in the same condition you received it and in the original packaging. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.