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What is a Four-Way Valve?

April 26, 2017four-way valve

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What is a Four-Way Valve?

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A multi-orifice fluid control element with supply, return and two control ports arranged so that valve action in one direction simultaneously opens control port #1 to supply and control port #2 to return. Reverted valve action opens control port #1 to return and control port #2 to supply.