Threaded Cartridge Valve 3-Way Solenoid Valve Cavity Size C10-3 Max Pressure - Hydraulic Valves 3 600 psi Max Flow - Hydraulic Valves 4.5 gpm Valve Ways and Positions 3-Way/2-Position 3 Way spool valves are often used for raise and lower functions of a single acting cylinder control of a uni-directional motor or a circuit selector