Hydraulic Directional Valve, 1 Number of Spools - Hydraulic Valves, Valve Ways and Positions 4-Way/3-Position, Spool Action Spring Center To Neutral, Max. Flow - Hydraulic Valves 16 gpm, Inlet Port Size - Hydraulic Valves 1/2 in NPT, Outlet Port Size - Hydraulic Valves 1/2 in NPT, Max. Pressure - Hydraulic Valves 3,000 psi, Tandem Center, Work Port Size - Hydraulic Valves 1/2 in NPT, Relief Valve Range (PSI) 1000 to 2750, Factory Preset Relief Valve Setting (PSI) 1500 psi @ 12 GPM