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How do the control valves in Scanivalve Modules operate?

April 26, 2017CONTROL modules operate valves

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How do the control valves in Scanivalve Modules operate?

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All, ZOC16TC, ZOC17, and DSA modules have four way valves for each sensor. Application of a control pressure causes a piston in each valve to compress an o-ring, forming an air tight seal. All of these valves are capable of, and have been tested to, a minimum of one million operations.