Air Processing

A broad range that extends air processing units to include air dryers, cartridges, multi-circuit protection, governors and a variety of valves. WABCO air processing products protect against water ingress and other pollutants, while intelligently managing compressor use and controlling regeneration.


This electronic air processing unit enables an efficient compressor control delivering significant fuel savings in the vehicle's overrun phases.

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Air System ProtectorPLUS cartridge

Maximum protection of the air brake system thanks to dual desiccant technology optimizing drying performance and service life.

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Air System Protector cartridge

The integrated coalescing function enables a high level of protection against corrosion, freezing and pollutants.

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