Filtration, regulation and treatment of compressed air
Treatment of compressed air is an absolutely indispensable part of every professional compressor system. Why is it so important? Compressed air naturally concentrates dust particles from its surroundings, oil residues from the unit, and a huge amount of moisture that condenses into water. This combination forms an aggressive emulsion that is extremely harmful to any equipment connected downstream of the compressor.
- ✅ Corrosion protection: Prevents rusting of pipes and clogging of expensive pneumatic tools.
- ✅ Failure prevention: Clean and dry air eliminates seizing of moving parts and valves in automated lines.
- ✅ Cost savings: Thanks to our comprehensive air treatment program, you will multiply the lifespan of the entire system and avoid costly servicing or unplanned production downtimes.
We offer you everything from air dryers and filters to pressure regulators, separators, and cyclone separators. Find out more about how to properly filter and treat air in the text below.
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Basic pillars of compressed air treatment
🔹 1. Drying (Moisture Removal)
Removes water from compressed air and eliminates condensation in the distribution system.
🔹 2. Filtration (Removal of solid particles)
Ensures top air purity precisely according to ISO 8573 standard.
🔹 3. Pressure regulation
Ensures safe and constant output pressure for every application.
🔹 4. Condensate and oil separation
Efficient and ecological separation of residual hazardous liquids.
ISO 8573-1 Standard: What Quality Do You Need?
How to determine the compressed air purity required for your application? The main guide is the international ISO 8573-1 standard. It divides the quality of produced air into seven classes (0 to 6). Each class has a strictly defined maximum content of solid particles, water, and oil.
While for general workshop air, class 4-4-5 (order: particles – water – oil) is usually sufficient, the pharmaceutical, food, or chemical industries require absolute purity. We discuss this topic in detail in the article: How to Filter Compressed Air.
Step-by-step air treatment
The correct sequence of components is key! Immediately after the compressor, it is best to install an air dryer supplemented with pre-filtration (e.g., a cyclone separator) to capture coarse condensate. This is followed by fine filtration, the micron purity of which depends on your needs (different for a paint shop, different for a dentist).
At the very end of the line, the air is regulated to the required pressure. Don't forget that filter cartridges and granules have a limited lifespan. For measuring wear in professional filters, we therefore use clogging indicators or differential pressure gauges.
Further expert articles from our advice center:
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Product sorting
List of products
The WDF-70 condensing air dryer provides efficient moisture removal from compressed air with a flow rate of 70 m³/h (1,166 l/min) and a pressure dew point of +3 °C. Thanks to...
The WDF-155 condensing air dryer effectively removes moisture from compressed air and achieves a pressure dew point of +3 °C. With a flow rate of 155 m³/h (2 583 l/min), it is...
The WDF-100 condensing air dryer provides efficient compressed air drying with a flow rate of 100 m³/h (1 667 l/min) and a pressure dew point of +3 °C. Integrated filters of 1...
Replacement basic filter cartridge with 3 µm filtration capacity for OMEGA AIR AAFP-510 filter. Recommended replacement 12 months or every 4,000 MH and when clogging of the...
After one year of operation, the ADRY-105 series Omega Air adsorption dryer service KIT includes a replacement microfilter cartridge, dust filter and replacement silencers for...
Bypass piping for MDX400 to 1800 condensation dryers for easy replacement of filter cartridges without the need for shutdown.Simple assembly during dryer installation. The...
AAFM 1/2" pre-filter for removing fine impurities up to 0.1 um from compressed air according to ISO 8573-1 class 2. Body with easily removable container and designed for a flow...
Pressure regulator with 5 um air filtration for compressed air with or without oil and for neutral gases up to 16 bar. Design according to ATEX II 2G2D. The adjusting pin can be...
The ADRY-12 series adsorption dryer has been designed for continuous separation of water vapour from compressed air at flow rates up to 200 l/min. Reduces the pressure dew point...
Pressure regulator with 5 um air filtration for compressed air with or without oil and for neutral gases up to 16 bar. Design according to ATEX II 2G2D. The adjusting pin can be...
Service KIT 2 years of operation adsorption dryer Omega Air series ADRY-6 includes a replacement filter cartridge ;microfilter, dust filter and replacement silencer, check...
Service KIT 2 years of operation adsorption dryer Omega Air series ADRY-36 includes a replacement filter cartridge ;microfilter, dust filter and replacement silencer, check...
Service KIT 2 years of operation of the adsorption dryer Omega Air series ADRY-105 includes a replacement filter cartridge ;microfilter, dust filter and replacement silencer,...
Service KIT 2 years of operation adsorption dryer Omega Air series ADRY-12 includes a replacement filter cartridge ;microfilter, dust filter and replacement silencer, check...
Service KIT 2 years of operation of the adsorption dryer Omega Air series ADRY-150 includes a replacement filter cartridge ;microfilter, dust filter and replacement silencer,...
Service KIT 2 years of operation of the adsorption dryer Omega Air series ADRY-200 includes a replacement filter cartridge ;microfilter, dust filter and replacement silencer,...
Service KIT 2 years of operation of the adsorption dryer Omega Air series ADRY-75 includes a replacement filter cartridge ;microfilter, dust filter and replacement silencer,...
Service KIT after 4 years of operation of the adsorption dryer Omega Air series ADRY-36 includes replacement filter cartridges, silencers, check valve, gaskets, valve kit,...
Service KIT after 4 years of operation Omega Air adsorption dryer ADRY-60 series includes replacement filter cartridges, silencers, check valve, gaskets, valve kit, adsorbent...
After one year of operation, the service KIT for the Omega Air adsorption dryer series ADRY-150 to ADRY-200 includes a replacement microfilter cartridge, dust filter and...
After one year of operation, the service KIT for the Omega Air ADRY-60 to ADRY-75 series adsorption dryer includes a replacement microfilter cartridge, dust filter and...
Shut-off valve in 3/8" design with flow rate up to 2,000 l/min FUTURA series up to 16 bar. Designed for compressed air and for neutral gases complying with ATEX II 2G2D....
AAFC cyclone separator in 1/2" design with a flow rate of 1,300 l/min for partial removal of condensate from compressed air. Here the flow changes to rotational and due to the...
Prefilter for compressed air from Hankison NGF series of HF type according to ISO. Filter size F04 with 1/2" female thread connection. The filter is equipped with a clogging...
AAFS 1 1/2" microfilter to remove micro impurities up to 0.01 um from compressed air according to ISO 8573-1 class 1. Body with easily removable container and designed for a...
Futura Treatment Units - Compressed Air Pressure Regulators, Designed for compressed air with or without oil and for neutral gases, Designed according to ATEX II 2G2D, Maximum...
Replacement basic filter cartridge with 3 µm filtration capacity for OMEGA AIR AAFP-35 and AAFP-60 filters. Recommended replacement 12 months or every 4,000 MH and when clogging...
Replacement cyclone cartridge for liquid water filtration AAFC-60V. Recommended replacement 12 months or every 4,000 MH and upon indication of clogging of the filter element by...
Replacement cyclone insert for liquid water filtration AAFC-120V. Recommended replacement 12 months or every 4,000 MH and upon indication of clogging of the filter element by...
The ADRY-24 series adsorption dryer was designed for continuous separation of water vapour from compressed air at flow rates up to 400 l/min. Reduces the pressure dew point down...
AAFA activated carbon filter in 1/2" version for absorption of residual oil, oil vapours and aerosols with < 0,005 mg/m3 from compressed air according to ISO 8573-1 class 1....
Replacement fine filter cartridge with 0.1 µm filtration capacity for OMEGA AIR AAFM-78 pre-filter. Recommended replacement 12 months or every 4,000 MH and when clogging of the...
AFM filters are used to remove the largest mechanical impurities from compressed air up to 0.1 um according to ISO 8573-1 class 2. Body with easily removable container and...
The filters are used to remove the largest mechanical impurities from compressed air up to 1 um according to ISO 8573-1 class 3. Body with easily removable container and...
The ADRY-105 Series Adsorption Dryer was designed for continuous separation of water vapor from compressed air at flow rates up to 1,750 l/min. Reduces the pressure dew point...
Replacement basic filter cartridge with 3 µm filtration capacity for OMEGA AIR AAFP-120 filter. Recommended replacement 12 months or every 4,000 MH and when clogging of the...
AAFM pre-filter in 3/4" design for removal of fine impurities up to 0.1 um from compressed air according to ISO 8573-1 class 2. Body with easily removable container and designed...
The AFS microfilter is used to remove the largest mechanical impurities from compressed air up to 0.01 um according to ISO 8573-1 class 1. Body with easily removable container...
Basic AFP filters according to ISO 8573.1 with a filtration capacity of 3 um and an efficiency of 99.9%. FPRO filters are used to remove the largest mechanical impurities from...
Replacement basic filter cartridge with 3 µm filtration capacity for OMEGA AIR filter AAFP-198. Recommended replacement 12 months or every 4,000 MH and when clogging of the...