Tag Archives for Four-Way Valve

Pilot Operated Four Way Valve Hydraulic Symbols

Graphical symbol for pilot-operated four-way valve

05. October 2011 by and
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Air Pilot Operated Four Way Valve Diagram

Air pilot-operated four-way valve

05. October 2011 by and
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Hydraulic Pilot-Operated, Four-Way Valve

This type of valve is used to control the flow direction by using a pilot pressure. Figure 5-28, shows two units in which the spool is shifted by applying the pilot pressure at either end of the spool. In the … Continue reading

13. January 2011 by and
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Hydraulic Manually Operated Four-Way Valve

This valve is used to control the flow direction manually. A spool is shifted by operating a hand lever (Figure 5-27). In a spring offset model, a spool is normally in an extreme out position and is shifted to an … Continue reading

13. January 2011 by and
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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. … Continue reading

13. January 2011 by and
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