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
Lubricator in metal design up to 18 bar with a flow rate of 16,000 l/min in size 3 with 3/4" thread designed for efficient oil mist doses for lubricating pneumatic tools or...
Complete unit in metal design up to 18 bar. Regulation, filtration, lubrication of compressed air with a flow rate of 4,600 l/min in size 3 with 3/4" thread. Regulation range 0...
Air pressure regulator with metal filter up to 18 bar. Compressed air control with a flow rate of 4,600 l/min in size 3 3/4" thread. Regulation range 0 - 12 bar. Filtration...
Regulator for pressure reduction of compressed air and other non-volatile and non-toxic gases with inlet G 3/4" and outlet pressure regulation 0,5 - 25 Bar. Maximum inlet...
Regulator for pressure reduction of compressed air and other non-volatile and non-toxic gases with inlet G 3/4" and outlet pressure regulation 0,5 - 3 Bar. Maximum inlet...
Metal filter up to 18 bar with 20 µm cartridge and flow rate of 11,000 l/min in size 3 with 3/4" thread. Application mainly in industry, laboratory, measuring and control...
Compressed air treatment units in metal design with inlet up to 18 bar. Compressed air control 0 - 12 bar with a flow rate of 4,500 l/min in 3/4" size. Application mainly in...
Compressed air treatment units in metal design with inlet up to 18 bar. Compressed air control 0 - 12 bar with a flow rate of 4,500 l/min in 1" size. Application mainly in...
Compressed air treatment units in metal design up to 18 bar. Lubricating grease gun in 3/4" size with a flow rate of up to 16,000 l/min for compressed air lubrication of e.g....
Metal filter for filtration of compressed air from a compressor at 20 um to 18 bar with a maximum flow rate of 9,100 l/min. Connection 3/4" pipe thread. Possibility to change...
Compressed air microfilter 0,01 um with 3/4" connection for compressed air and for neutral gases with flow rate 1 400 l/min. Design according to ATEX II 2G2D. Maximum inlet...
Air pressure regulator in metal design up to 18 bar. Compressed air control with a flow rate of 4,600 l/min in size 3 3/4" thread. Regulation range 0 - 12 bar. Application...
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 3/4" 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...
High flow silencer with external pipe thread G 3/4" designed especially for compressed air expansion during regeneration and ventilation of adsorption dryer production columns....
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...
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...
Regulator with inlet up to 25 bar 3/4" 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...
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 for pressure reduction of compressed air and other non-volatile and non-toxic gases with inlet G 3/4" and outlet pressure regulation 0,5 - 10 Bar. Maximum inlet...
Regulator for pressure reduction of compressed air and other non-volatile and non-toxic gases with inlet G 3/4" and outlet pressure regulation 0,5 - 16 Bar. Maximum inlet...
Switching valve with 230 VAC in 3/4" version with flow rate up to 12 500 l/min FUTURA series up to 16 bar. Designed for compressed air and for neutral gases complying with ATEX...
Treatment units consisting of pressure regulator, filter and oiler with a maximum possible flow rate of 6000 l/min in 3/4" size and inlet pressure up to 16 bar. Designed for...
Basic 5 um air filter with 3/4" connection for compressed air and neutral gases with a flow rate of 8,000 l/min. Design according to ATEX II 2G2D. Maximum inlet pressure 1,5 -...
Switching valve with 230 VAC in 3/4" version with flow rate up to 12 500 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 3/4" 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...
Regulator for pressure reduction of compressed air and other non-volatile and non-toxic gases with inlet G 3/4" and outlet pressure regulation 0,5 - 6 Bar. Maximum inlet...
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...
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 3/4" 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 1/4" 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...
Combibloc air treatment units. Unique solution of integrating pressure regulator, filter and oiler in a minimal footprint. Two bay sizes with different threaded connections....
Treatment units consisting of pressure regulator, filter and oiler with a maximum possible flow rate of 6000 l/min in 3/4" size and inlet pressure up to 25 bar. Designed for...
Combibloc air treatment units. Unique solution of integrating pressure regulator, filter and oiler in a minimal footprint. Two bay sizes with different threaded connections....
Combibloc air treatment units. Unique solution of integrating pressure regulator, filter and oiler in a minimal footprint. Two bay sizes with different threaded connections....
Treatment units FUTURA, Shut-off, switching, filling, check valves, Designed for compressed air and for neutral gases, Design ATEX II 2G2D, Operating temperature -10°C to +50°C,...
Absorption filter with 0.005 um activated carbon, 3/4" connection, for compressed air and neutral gases with a flow rate of 3,500 l/min. Design according to ATEX II 2G2D....
Lubricating grease gun in 3/4" design with compressed air flow up to 15 800 l/min. Design according to ATEX II 2G2D. Maximum inlet pressure 16 bar. Operating temperature -10°C...
0.3 um air pre-filter with 3/4" connection for compressed air and for neutral gases with a flow rate of 2,000 l/min. Design according to ATEX II 2G2D. Maximum inlet pressure 1,5...