Hydraulic Directional Valve 2 Number of Spools - Hydraulic Valves Valve Ways and Positions 4-Way/3-Position Spool Action Manual Max Flow - Hydraulic Valves 21 gpm Inlet Port Size - Hydraulic Valves #10 SAE Outlet Port Size - Hydraulic Valves #10 SAE Max Pressure - Hydraulic Valves 3 625 psi Tandem Center Work Port Size - Hydraulic Valves #10 SAE Relief Valve Range (PSI) 1500 to 3625 Factory Preset Relief Valve Setting (PSI) 2500 Adjustable PSI Range 1500 to 3625