1 Spool 25GPM Hydraulic Log Splitter. 3625 PSI (1/2 Work Ports). Hydraulic Loader Valve for Loaders, Small Tractors. Specification? Max Flow: 25 GPM (90L/Min). Rated Flow: 21 GPM (80L/Min). Max Pressure: 3625 PSI. Preset Pressure: 2750 PSI. Working Port: 1/2” NPTF. Inlet/Outlet Ports: 1/2” NPTF. Pressure-Release Detent? When the hydraulic system reaches the preset pressure, the pressure is released to trigger the valve spool, automatically resetting it to the neutral position. Power Output? Manually operate the handle to control the valve spool, so that the hydraulic oil flows from the pressure port to the working port to provide power. Impact Resistance? Hydraulic valve is made of heavy-duty iron and aluminum, with a sturdy structure, resistance to deformation or damage, and a long service life. Wide Application? Widely used in hydraulic systems for forestry, construction, and industry. Suitable for small tractors, light loaders, log splitters, environment vehicles, and more.