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
Bypass or bypass piping for Omega Air compressed air dryers RDP-300/RDT-300 and RDP-380/RDT-380 for easy maintenance and servicing of the machine.
The IHP1A stainless steel activated carbon filter with G1 1/4" connection thread is designed to effectively remove solid impurities, oil, water and other impurities from...
HFPA activated carbon filter with G1 1/4" connection thread for use in high corrosive environments. Filtration capacity up to 0.01 um. Maximum working pressure up to 50 bar,...
CHP1A activated carbon filter with G1 1/4" 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 1/4" 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 1/4" connection thread designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 0.005 um....
CHP1P basic filter with G1 1/4" 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 1/4" 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 1/4" connection thread designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 3 um. Maximum...
Basic stainless steel filter IHP1N5 with G1 1/4" connection thread designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 5...
Basic stainless steel filter IHP2N5 with G1 1/4" connection thread designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 5...
Basic stainless steel filter IHP4N5 with G1 1/4" connection thread designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 5...
Cyclone separator CHP1 with 1 1/4" threaded connection. It enables inexpensive and efficient removal of water and impurities from compressed air. Working pressure 100 bar,...
Cyclone separator CHP2 with 1 1/4" threaded connection. It enables inexpensive and efficient removal of water and impurities from compressed air. Working pressure 250 bar,...
Cyclone separator CHP4 with 1 1/4" threaded connection. It enables inexpensive and efficient removal of water and impurities from compressed air. Working pressure 400 bar,...
Dust filter CHP1R with G1 1/4" connection thread designed to effectively remove dust, oil, water and other impurities from compressed air up to 1 um. Maximum working pressure up...
Dust filter CHP2R with G1 1/4" connection thread designed to effectively remove dust, oil, water and other impurities from compressed air up to 1 um. Maximum working pressure up...
Dust filter CHP4R with G1 1/4" connection thread designed to effectively remove dust, oil, water and other impurities from compressed air up to 1 um. Maximum working pressure up...
The IHPA-030V replacement stainless steel filter cartridge with activated carbon is used to absorb residual oil vapours and aerosols from compressed air to a level of 0.005...
Replacement filter element CHPC-030V for cyclone separator CHP. It enables inexpensive and efficient removal of water and impurities from compressed air. Working pressure up to...
The replacement filter cartridge CHPA-030V with activated carbon is used to absorb residual oil vapours and aerosols from compressed air to a level of 0.005 mg/m³. The maximum...
Replacement filter cartridge CHPB-030V with sintered bronze is used for coarse filtration to a purity of 15 um from compressed air. The maximum compressed air flow rate of the...
The replacement filter cartridge CHPM-030V made of borosilicate microfibre is used for fine filtration to a purity of 0.1 um from compressed air. The maximum compressed air flow...
Replacement filter cartridge CHPP-030V made of acrylic fibre, cellulose is used for basic filtration to 3 um purity of compressed air. The maximum compressed air flow rate of...
Replacement filter cartridge CHPR-030V made of acrylic fibre, cellulose is used for dust filtration to a purity of 1 um from compressed air. The maximum compressed air flow rate...
Replacement filter cartridge CHPS-030V made of borosilicate microfibre is used for microfiltration to a purity of 0.01 um from compressed air. The maximum compressed air flow...
HFPA sterile cartridge filter with G1 1/4" connection thread for use in high corrosive environments. Filtration capacity up to 0.01 um. Maximum working pressure up to 50 bar,...
The CHP1S microfilter with G1 1/4" connection thread is designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 0.01 um....
CHP2S microfilter with G1 1/4" connection thread designed for effective removal of solid impurities, oil, water and other impurities from compressed air up to 0.01 um. Maximum...
The CHP4S microfilter with G1 1/4" connection thread is designed to effectively remove solid impurities, oil, water and other impurities from compressed air up to 0.01 um....
HFPM microfilter with G1 1/4" connection thread for use in areas with high corrosive environments. Filtration capacity up to 0.01 um. Maximum working pressure up to 50 bar,...
PFM microfilter with G1 1/4" connection thread for use in areas with high corrosive environments. Filtration capacity up to 0.1 um. Maximum working pressure is 16 bar, maximum...
PFS microfilter with G1 1/4" connection thread for use in areas with high corrosive environments. Filtration capacity up to 0.01 um. Maximum working pressure is 16 bar, maximum...
SPFM microfilter with G1 1/4" connection thread for high efficiency filtration of compressed air, process air and industrial gases. Filtration capacity up to 0.01 um. Maximum...
WFITM microfilter with G1 1/4" connection thread for use in areas with high corrosive environments. Filtration capacity up to 0.01 um. Maximum working pressure up to 16 bar,...
CHP1M pre-filter with G1 1/4" connection thread designed for effective removal of solid impurities, oil, water and other impurities from compressed air up to 0.1 um. Maximum...
CHP2M pre-filter with connection thread G 11/4" designed for effective removal of solid impurities, oil, water and other impurities from compressed air up to 0,1 um. Maximum...
CHP4M pre-filter with G1 1/4" connection thread designed for effective removal of solid impurities, oil, water and other impurities from compressed air up to 0.1 um. Maximum...
HFPI pre-filter with G1 1/4" connection thread for use in areas with high corrosive environments. Filtration capacity up to 20 um. Maximum working pressure up to 50 bar,...
PFI pre-filter with G1 1/4" connection thread for use in areas with high corrosive environments. Filtration capacity up to 1 um. Maximum working pressure is 16 bar, maximum flow...