A320 hydraulic priority valves
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Joined: Jul 2022
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From: USA
A320 hydraulic priority valves
I have read my company supplied manuals on this and so far I don't have a clear answer. Do the hydraulic priority valves de-prioritize the landing gear, slats&flaps(green), emergency generator, slats(blue) and flaps(yellow)or they prioritize these systems? I think they de-priortize them but I can't find any official source that says this.
Joined: Nov 1999
Aviation Qualifications: ATPL
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From: UK
From my copy of A320 FCOM:
Quote: Priority valves cut off hydraulic power to heavy load users if hydraulic pressure in a system gets low.
and A330 FCOM:
Quote: Priority valves cut off hydraulic power to heavy load users if hydraulic pressure in a system gets low.
and A330 FCOM:
In the event of low hydraulic pressure, a priority valve cuts off hydraulic power to heavy load users (emergency generator, nose-wheel steering, landing gear) in order to keep the pressure for normal braking and flight controls.
A Pressure-Off Brake system (installed on the flaps, slats, and THS actuator) ensures the same function.
A Pressure-Off Brake system (installed on the flaps, slats, and THS actuator) ensures the same function.
