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How do the control pressures operate the valves?

April 26, 2017CONTROL operate pressures valves

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How do the control pressures operate the valves?

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Each module requires two or three control pressures to operate the valves, depending on the valve logic. ZOC16TC, ZOC17 and all DSA modules require three pressures. Two of the pressures control the normal valve modes. The third pressure controls a separate purge valve.