Hydraulic Directional Valve, 1 Number of Spools - Hydraulic Valves, Valve Ways and Positions 4-Way/4-Position, Spool Action Spring Center to Neutral, 4th Position Detent, Max. Flow - Hydraulic Valves 25 gpm, Inlet Port Size - Hydraulic Valves 3/4 in NPT, Outlet Port Size - Hydraulic Valves 3/4 in NPT, Max. Pressure - Hydraulic Valves 2,750 psi, Tandem Center, Work Port Size - Hydraulic Valves 1/2 in NPT, Relief Valve Range (PSI) 1000 to 2750