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In general : Valve with three controlled ports. For directional valves : Valve with inlet, cylinder line, outlet (suitable to control a single action cylinder).

Valves with two controlled ports: inlet and outlet. Examples: 2/2-way directional valves, 2-way flow control valve, amongst others

Directional valves affect the start/stop and flow direction of the hydraulic fluid, and thereby control the movement of the actuators in a hydraulic system. Their function is to direct the flow of hyd

Reflects the workflow of a drive element (e.g. rapid movement –– feed –– reflux of a feed cylinder). It consists of functional lines for individual movements in connection with drive and signal elemen

Electrical signals which are issued depending on the path travelled. Switches with a contacting or –– increasingly –– non-contacting method of engaging through to hall generators. However, optical swi

Check valve with two inlets and one outlet. The pressurised inlet is automatically connected to a shared outlet, while the other inlet is blocked ( Figure W 4 ).

Solenoid , that works with alternating current (Figure W 3). AC solenoids have a shorter switching time than DC solenoids, greater tensile force and a simpler construction design. The disadvantage is

If water enters hydraulic oil (e.g. condensation or through an external contamination), this has unwanted consequences as it accelerates the ageing of the oil, increases the corrosion of metallic surf

HFB fluid

HFC fluid