OPERATION
24/40 17200295_002_C0/2016 - © Leybold 270727EI.DOCX
5.5 Operation of the NO model
• Normal operation:
Valve is closed pneumatically and opened by a spring (NO).
• Behavior in case of air pressure drop:
Valve closed: Valve will be opened.
Valve open: Valve remains opened.
• Behavior in case of power failure:
Valve will be opened by a spring.
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