Tags: Sliding-Spool Valve

Hydraulic Four-Way Sliding Spool Valve

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Hydraulic Four-Way Sliding Spool Valve

The four-way, sliding-spool, directional-control valve is simple in operation principle and is probably the most durable and trouble free of all four-way, directional-control valves in current use. Figure 5-24 shows a typical four-way, sliding spool, directional-control valve. The valve body contains four fluid ports: pressure, return/exhaust, and two working ports (referred to as cylinder ports). …

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Hydraulic Four-Way Valves

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Hydraulic Four-Way Valves

Four-way, directional-control valves are used to control the direction of fluid flow in a hydraulic circuit, which controls the direction of movement of a work cylinder or the rotation of a fluid motor. These valves are usually the sliding-spool type. A typical four-way, directional-control valve has four ports: • One pressure port is connected to …

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Hydraulic Sliding-Spool Valve

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Hydraulic Sliding-Spool Valve

Figure 5-13 shows a sliding-spool valve. The valve element slides back and forth to block and uncover ports in the housing. Sometimes called a piston type, the sliding-spool valve has a piston of which the inner areas are equal. Pressure from the inlet ports acts equally on both inner piston areas regardless of the position …

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