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
Air treatment units A1. Air lubrication for pneumatic tools and automation technology. Oil in the air extends the life of pneumatic components. 3/8" lubricator design with air...
Air treatment units A1. Simple compressed air regulation with AR pressure regulators in 3/8" design with air flow of 2 500Air pressure regulator AR14 l/min. Included in the...
Microfilter in metal design up to 18 bar with 0.01 µm liner, flow rate 4 300 l/min in size 2 with 3/8" thread atdesigned for very gentle removal of solid dirt, water and oil...
Complete unit in metal design up to 18 bar. Regulation, filtration, lubrication of compressed air with a flow rate of 2,500 l/min in size 2 with 3/8" thread. Regulation range 0...
Air treatment units A1. Simple air filtration at 5 um. Filter design 3/8" with air flow 1 700 l/min. Semi-automatic condensate discharge in the flask.
Air treatment units A1. Simple compressed air control with AFR air filtration pressure regulators in 3/8" design with 2000 l/min air flow. Included in the delivery is a pressure...
Lubricator in metal design up to 18 bar with a flow rate of 4,500 l/min in size 2 with 3/8" thread for efficient oil mist doses for lubricating pneumatic tools or drives on...
Complete air treatment units are used wherever compressed air needs to be regulated, filtered and lubricated. With the complete units, we can obtain compressed air treated to 5...
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...
Compressed air treatment units in metal design up to 18 bar. Compressed air control with a flow rate of 2,500 l/min in 3/8" size. Application mainly in industry, laboratory,...
Compressed air treatment units in metal design up to 18 bar. Compressed air control with a flow rate of 2,500 l/min in 3/8" size. Application mainly in industry, laboratory,...
Compressed air treatment unit in metal design up to 18 bar. Comprehensive treatment in one 3/8" unit with flow rates up to 2,500 l/min. All the benefits of separate parts....
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....
Air pressure regulator with metal filter up to 18 bar. Compressed air regulator with a flow rate of 2,600 l/min in size 2 thread 3/8". Regulation range 0 - 12 bar. Filtration...
Compressed air treatment unit in metal design up to 18 bar. 3/8" grease gun with a flow rate of up to 4,100 l/min for compressed air lubrication of e.g. pneumatic tools....
Metal filter for filtration of compressed air from a compressor at 20 um to 18 bar with a maximum flow of 3,100 l/min. Connection 3/8" pipe thread. Possibility to change the...
Air pressure regulator in metal design up to 18 bar. Compressed air regulator with a flow rate of 2,600 l/min in size 2 thread 3/8". Regulation range 0 - 12 bar. Application...
Shut-off valve in 3/8" design with flow rate up to 4 500 l/min FUTURA series up to 16 bar. Designed for compressed air and for neutral gases complying with ATEX II 2G2D....
Absorption filter with 0.005 um activated carbon, 3/8" connection, for compressed air and neutral gases with a flow rate of 700 l/min. Design according to ATEX II 2G2D. Maximum...
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...
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...
Metal filter up to 18 bar with 20 µm cartridge for a flow rate of 4 300 l/min in size 2 with 3/8" thread. Application mainly in industry, laboratory, measuring and control...
High-flow silencer with external pipe thread G 3/8" designed especially for compressed air expansion during regeneration and ventilation of adsorption dryer production columns....
Regulator with inlet up to 25 bar 3/8" thread for pressure reduction of compressed air and other non-volatile and non-toxic gases. Control range 0.5 to 16 bar up to a flow rate...
Regulator with inlet up to 25 bar 3/8" thread for pressure reduction of compressed air and other non-volatile and non-toxic gases. Control range 0.5 to 16 bar up to a flow rate...
FUTURA Treatment Units - Hub Modules, Designed for compressed air and neutral gases, Design ATEX II 2G2D, Operating temperature -10°C to +50°C, Materials : body - Grivory...
FUTURA Treatment Units - Hub Modules, Designed for compressed air and neutral gases, Design ATEX II 2G2D, Operating temperature -10°C to +50°C, Materials : body - Grivory...
Regulator with inlet up to 25 bar 3/8" thread for pressure reduction of compressed air and other non-volatile and non-toxic gases. Control range 0.5 to 10 bar up to a flow rate...
Regulator with inlet up to 25 bar 3/8" thread for pressure reduction of compressed air and other non-volatile and non-toxic gases. Control range 0.5 to 10 bar up to a flow rate...
High pressure regulator 3/8" for pressure reduction of compressed air and other non-volatile and non-toxic gases. Maximum inlet pressure 60 bar with a control range of 3.0 - 50...
Regulator with inlet up to 25 bar 3/8" thread for pressure reduction of compressed air and other non-volatile and non-toxic gases. Control range 0.6 to 6 bar up to a flow rate...
Regulator with inlet up to 25 bar 3/8" thread for pressure reduction of compressed air and other non-volatile and non-toxic gases. Control range 0.5 to 3 bar up to a flow rate...
Basic 5 um air filter with 3/8" connection for compressed air and neutral gases with a flow rate of 2,200 l/min. Design according to ATEX II 2G2D. Maximum inlet pressure 1,5 -...
Switching valve with 230 VAC in 3/8" version 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...
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...
Switching valve with 230 VAC in 3/8" version with flow rate up to 4 500 l/min FUTURA series up to 16 bar. Designed for compressed air and for neutral gases complying with ATEX...
Regulator with inlet up to 25 bar 3/8" thread for pressure reduction of compressed air and other non-volatile and non-toxic gases. Control range 0.5 to 3 bar up to a flow rate...
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...
Regulator with inlet up to 25 bar 3/8" thread for pressure reduction of compressed air and other non-volatile and non-toxic gases. Control range 0.6 to 6 bar up to a flow rate...
Switching valve with 230 VAC in 3/8" version 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...