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
AAFC cyclone separator in 1 1/2" design with a flow rate of 8,500 l/min for partial removal of condensate from compressed air. Here the flow changes to rotational and due to the...
AAFP basic filter in 1 1/2" design for removal of basic mechanical impurities up to 3 um from compressed air according to ISO 8573-1 class 6. Body with easily removable...
AAFP basic filter in 1 1/2" design for removal of basic mechanical impurities up to 3 um from compressed air according to ISO 8573-1 class 6. Body with easily removable...
AAFR dust filter in 1 1/2" design to remove dust impurities up to 1 um from compressed air according to ISO 8573-1 class 3. Body with easily removable container and designed for...
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...
AAFM 1 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...
AAFR dust filter in 1 1/2" design to remove dust impurities up to 1 um from compressed air according to ISO 8573-1 class 3. Body with easily removable container and designed for...
AAFM 1 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...
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...
Bypass or bypass pipe for Omega Air RDP-480/RDT-480 compressed air dryers for easy maintenance and servicing of the machine.
AAFA activated carbon filter in 1 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....
AAFA activated carbon filter in 1 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....
MVAC medical vacuum filter with G1 1/2" connection thread designed for effective removal of solid and liquid impurities and bacteria from the suction side of vacuum pumps....
Adsorption dryer BDRY-600 designed for continuous separation of water vapour from compressed air with a flow rate of up to 7,708 l/min at a maximum pressure of 16 bar and...
Adsorption dryer BDRY-400 designed for permanent separation of water vapour from compressed air with a flow rate of up to 5 358 l/min at a maximum pressure of 16 bar and...
Condensation dryer for compressed air to +3°C dew point. Maximum input pressure is 14 bar with a flow rate of up to 235 m³/h (3,916 l/min) and connection via external thread G1...
Adsorption dryer BDRY-300 designed for permanent separation of water vapour from compressed air with a flow rate of up to 4,183 l/min at a maximum pressure of 16 bar and...
Condensation dryer for compressed air to +3°C dew point. Maximum input pressure is 14 bar with a flow rate of up to 380 m³/h (6,333 l/min) and connection via external thread G1...
Condensation dryer for compressed air to +3°C dew point. Maximum input pressure is 14 bar with a flow rate of up to 180 m³/hour (3,000 l/min) and connection via external thread...
Adsorption filter with activated carbon AAFA2 in 1 1/2" version for absorption of residual oil, oil vapours and aerosols with < 0,005 mg/m3 from compressed air according to ISO...
Filter insert for PVACM vacuum microfilter designed to protect vacuum pumps and vacuum pumps from solid impurities. Filtration capacity up to 0.01 um. Working pressure 20 to...
Filter insert for PVACM vacuum microfilter designed to protect vacuum pumps and vacuum pumps from solid impurities. Filtration capacity up to 0.01 um. Working pressure 20 to...
AAFMS2 1 1/2" molecular sieve capsule filter designed to prevent moisture leakage into the air during shutdown of adsorption dryers according to ISO 8573-1 class 1. Body with...
AAFMS2 1 1/2" molecular sieve capsule filter designed to prevent moisture leakage into the air during shutdown of adsorption dryers according to ISO 8573-1 class 1. Body with...
HFPA activated carbon filter with G1 1/2" connection thread for use in areas with high corrosive environments. Filtration capacity up to 0.01 um. Maximum working pressure up to...
CHP1A activated carbon filter with G1 1/2" connection thread designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 0.005 um....
CHP2A activated carbon filter with G1 1/2" connection thread designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 0.005 um....
CHP4A activated carbon filter with G1 1/2" connection thread designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 0.005 um....
Adsorption filter with activated carbon for compressed air from Hankison NGF series type CF according to ISO. Filter size F11 with 1 1/2" female threads. The filter is not...
Adsorption filter with activated carbon for compressed air from Hankison NGF series type CF according to ISO. Filter size F10 with 1 1/2" female threads. The filter is not...
The AFA2-130V filter cartridge provides superior breathable air treatment. Filtration provided through activated carbon. Working pressure up to 16 bar, maximum flow rate 13,000...
The AFA2-85V filter cartridge provides superior breathable air treatment. Filtration provided through activated carbon. Working pressure up to 16 bar, maximum flow rate 8500 l/min.
Adsorption filter with activated carbon AAFA2 in 1 1/2" version for absorption of residual oil, oil vapours and aerosols with < 0,005 mg/m3 from compressed air according to ISO...
Condensation dryer for compressed air to +3°C dew point. Maximum input pressure is 14 bar with a flow rate of up to 300 m³/hour (5,000 l/min) and connection via external thread...
Condensation dryer for compressed air to +3°C dew point. Maximum input pressure is 14 bar with a flow rate of up to 480 m³/hr (8,000 l/min) and connection via external thread G1...
Removes mechanical contaminants up to 3 um in size according to ISO 8573-1 class 6. Connection with internal pipe threads 1 1/2". Designed to allow flow rates up to 6667 l/min....
Removes mechanical contaminants up to 3 um in size according to ISO 8573-1 class 6. Connection with internal pipe threads 1 1/2". The design allows flow rates up to 4700 l/min....
CHP1P basic filter with G1 1/2" connection thread designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 3 um. Maximum...
CHP2P basic filter with G1 1/2" connection thread designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 3 um. Maximum...
CHP4P basic filter with G1 1/2" connection thread designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 3 um. Maximum...