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. Simple compressed air control with AFR pressure regulators with 1/4" air filtration and 750 l/min air flow. Included in the delivery is a pressure gauge...
Complete air treatment units are used wherever compressed air needs to be regulated, filtered and lubricated. With the complete units, we get treated compressed air that can be...
Air treatment units A1. Simple compressed air regulation with AR pressure regulators in 1/4" design with 55 l/min air flow. Included in the delivery is a pressure gauge and...
Air treatment units A1. Simple air filtration at 5 um. Filter design 1/4" with air flow 800 l/min. Semi-automatic condensate discharge in the flask.
Air treatment units A1. Air lubrication for pneumatic tools and automation technology. Oil in the air extends the life of pneumatic components. Lubricator design 1/4" with air...
Miniature complete compressed air treatment unit with 20 um filter, pressure regulator and oiler in plastic design up to 12 bar. Compressed air regulation from 0 to 10...
Miniature compressed air filter with 20 um filtration in plastic design up to 12 bar with a maximum flow rate of 1,200 l/min. Connection via 1/4" female pipe thread.
Miniature compressed air regulator in plastic design up to 12 bar. Compressed air regulation from 0 to 10 atmospheres with a maximum flow rate of 600 l/min. Connection via 1/4"...
Metal grease gun up to 18 bar with a flow rate of 1,700 l/min in size 1 with 1/4" thread for efficient oil mist doses for lubricating pneumatic tools or drives on production...
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 for pressure reduction of compressed air and other non-volatile and non-toxic gases. Inlet pressure up to 200 bar. Pressure regulation 0,5 - 50 bar. Operating...
Compressed air treatment units in metal design up to 18 bar. Comprehensive treatment in one 1/4" device with flow rates up to 800 l/min. All the benefits of separate parts....
Air pressure regulator with metal filter up to 18 bar. Compressed air control with 850 l/min flow rate in 1 thread 1/4" size. Regulation range 0 - 12 bar. Filtration capacity 20...
Compressed air treatment units in metal design up to 18 bar. Compressed air control with a flow rate of 650 l/min in 1/4" size. Application mainly in industry, laboratory,...
Miniature compressed air lubricator in plastic design up to 12 bar with a maximum flow rate of 710 l/min. Connection via 1/4" female pipe thread.
Compressed air treatment units in metal design up to 18 bar. Compressed air control with 700 l/min flow rate in 1/4" size. Application mainly in industry, laboratory, measuring...
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...
Metal filter for filtration of compressed air from a compressor at 20 um to 18 bar with a maximum flow of 1,300 l/min. Connection 1/4" pipe thread. Possibility to change the...
Compact filter for filtration of compressed air from a 20 um compressor up to 13 bar with a maximum flow rate of 1,200 l/min. Connection 1/4" pipe thread. Possibility to change...
Compressed air treatment unit in metal design up to 18 bar. Lubricator in 1/4" size with a flow rate of up to 1100 l/min for compressed air lubrication of e.g. pneumatic tools....
Compressed air treatment units in plastic design up to 13 bar. Compressed air regulation from 0 to 8 atmospheres with a maximum flow rate of 600 l/min. Connection via 1/4" pipe...
Metal filter up to 18 bar with 20 µm cartridge and flow rate of 1 750 l/min in size 1 with 1/4" thread. Application mainly in industry, laboratory, measuring and control...
Regulator with inlet up to 25 bar 1/4" 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...
Compact regulator with 20 um filtration for compressed air treatment up to 13 bar. Compressed air control from 0 to 8 bar with a maximum flow rate of 600 l/min. Connection...
precision compressed air pressure regulator DRF31-3GS with a flow rate of 540 l/min. Control range 0.1 to 3 bar. Inlet pressure up to 16 bar and connection via 1/4" thread....
Compact lubricator for compressed air treatment up to 13 bar with a flow rate of up to 710 l/min. Connection internal thread 1/4". Compressed air lubrication for pneumatic...
Complete unit in metal design up to 18 bar. Regulation, filtration, lubrication of compressed air with a flow rate of 700 l/min in size 1 with 1/4" thread. Regulation range 0 -...
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...
Complete unit 2-piece pressure regulator assembly with filter and oiler in one unit. Designed for compressed air and neutral gases. 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...
Compact unit for compressed air treatment up to 13 bar. Compressed air regulation from 0 to 8 bar with a maximum flow rate of 300 l/min. Connection internal thread 1/4"....
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...
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...
Absorption filter with 0.005 um activated carbon, 1/4" connection, for compressed air and neutral gases with a flow rate of 700 l/min. Design according to ATEX II 2G2D. Maximum...
Air pre-filter 0,3 um with 1/4" connection for compressed air and for neutral gases with a flow rate of 500 l/min. Design according to ATEX II 2G2D. Maximum inlet pressure 1,5 -...
Miniature compressed air regulator with 20 um filter in plastic design up to 12 bar. Compressed air regulation from 0 to 10 atmospheres with a maximum flow rate of 600 l/min....
Microfilter in metal version up to 18 bar with 0,01 µm liner, flow rate 1 750 l/min in size 1 with 1/4" thread atdesigned for very gentle removal of solid dirt, water and oil...
Air pressure regulator in metal design up to 18 bar. Compressed air control with 850 l/min flow rate in 1 thread 1/4" size. Regulation range 0 - 12 bar. Application mainly in...
High flow silencer with external pipe thread G 1/4" designed especially for compressed air expansion during regeneration and ventilation of adsorption dryer production columns....
High pressure regulator 1/4" for pressure reduction of compressed air and other non-volatile and non-toxic gases. Maximum inlet pressure 60 bar with a control range of 2.0 - 35...