Fault isolation can involve position feedback, actuators, controllers, wiring, pneumatic leakage and structural seals.
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AIRCRAFT SYSTEMSINTERMEDIATE
Outflow valve
cabin outflow valve Synonym
A controlled valve that regulates cabin pressure by managing the amount of air leaving the pressure vessel.
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How the term is used
Cabin-pressure controllers command the outflow valve according to flight phase, cabin schedule and system mode. Safety or relief valves provide separate protection.
Where you may encounter it
Technicians verify pressure state and approved ground-test conditions before inspection or operation.
Never open or disturb pressurization components while differential pressure may exist.
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