A hydraulic valve controls the flow of hydraulic fluid by opening, closing, or partially obstructing pathways. Solenoids can be used as actuators in valves designed to control the flow, limit system pressure, or control direction. Solenoid valve is a control unit which, when electrically energized or de-energized, either shut off or allow fluid flow. Hidros provide NG6, NG10 solenoid, modular valves and blocks as standard range.