Description
With the increased dependence on electronic systems and fly-by-wire technology in modern commercial aircraft, the avionics (electronic equipment) cooling system plays an important role in the overall system reliability.
It is essential that the avionics (E/E) cooling air is dry and free from contamination.
(A) High-efficiency, barrier filter elements.
(B) Inertial particle separators (with or without a barrier filter downstream)
Filter assembly containing an inertial separator housing and barrier filter.

It is essential that the avionics (E/E) cooling air is dry and free from contamination.
Features
- Fine filtration efficiency (significantly better than the ARINC international standard of 400-micron absolute)
- Removal of oil mist and fine particulate contamination, such as carbon
- Hydrophobic filter elements - not affected by moisture
- Low differential pressure
- Long filter element service life
Benefits
- Increased E/E system reliability, reduced component failures due to contamination
- Protection of the critical components within the avionics cooling bay
How Does it Work?
There are two types of air filter system that can be used:(A) High-efficiency, barrier filter elements.
(B) Inertial particle separators (with or without a barrier filter downstream)
Filter assembly containing an inertial separator housing and barrier filter.
Applications
Pall Aerospace (via our airline distributor Satair) can supply avionics cooling filters for the majority of commercial aircraft.
Some examples are given in the data sheets below:
Airbus Avionics Cooling A318/319/320/321
Boeing 757-200/-300 E/E Cooling Filter
Boeing 777-200/-300 E/E Cooling Filter
This technology can also be installed on:
- Military aircraft
- Commercial & Military Helicopters
To determine if your application is suitable, contact your local Pall sales representative.
Type
Filter Cartridges
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