Filtration, regulation and treatment of compressed air
Compressed air treatment is an indispensable part of the compressor system. You need to treat compressed air because it naturally has dust particles, oil and, last but not least, condensate. This combination is very damaging to any device you connect to the compressor. Corrosion, clogging and sticking of moving parts shorten the life of valves, pneumatic tools and automated line components. That's why we bring you a comprehensive air treatment program that includes air dryers, filters, pressure regulators, separators and cyclone separators. With our air treatment program , you can extend the life of your entire compressor system many times over and avoid expensive service or line downtime. More on how to filter and condition air in the sequel.
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Basic principles of air treatment:
- drying - air dryers(condensation dryers, adsorption dryers, membrane dryers)
- filtration - air filters according to ISO 8573(air filtration, high pressure filters, process filters, vacuum filters)
- regulation - air pressure regulators on the distribution lines before the application itself
- getting rid of condensate and oil(cyclone separators, water-oil separation)
What to follow - Compressed air quality classes according to ISO 8573-1
How do you know what quality of compressed air to have for your application? The ISO 8573-1 standard is the guideline. The quality of the produced air is described in the standard by seven classes, from 0 to 6. Each class has a prescribed maximum content of solids, water and oil. Different purity classes are therefore required for different applications and flow rates. For example, for workshop air, the standard prescribes a quality of 4-4-5. The three numbers indicate the three prescribed quality classes in the order - solids quality class, water quality class, oil quality class. The highest demands are of course in the pharmaceutical, chemical and food industries.
We talk in detail about the quality classes in our article from the advisory board: How to filter compressed air
Step-by-step air treatment
It is best to use an air dryerbehind the compressor to ensure that the condensate is removed. It is recommended to use a pre-filter between the air dryer and the compressor. There are different requirements for artisans and different requirements in a medical environment. Therefore, the purity of the air in microns needs to be determined. This filtration is then placed behind the dryer. Finally, we can regulate the compressed air to the desired pressure (atmospheres). All the accessories that we use to treat the air will wear out over time and the filter cartridges or granulate will need to be replaced. We use clogging indicators or differential pressure gauges to measure filter wear. This accessory can only be found on better filters for compressed air treatment.
More articles about air conditioning from our advice section:
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Product sorting
List of products
Accessories and spare parts for METAL WORK air treatment units. Replacement filter insert 20 um for filter size 1/4" as replacement insert for FDM and FWA air filters.
Accessories and spare parts for METAL WORK air treatment units. Replacement filter insert 20 um for filter size 3/8"-1/2" as replacement insert for FDM and FWA air filters.
The filter cartridge with filtering capability is suitable for the exchange of A1 air treatment units. The 5 um - 1/4" version can filter 750 l/min of air compressed to a...
Replacement diaphragm for A2 - A2MR-38 pressure regulators. Simple diaphragm exchange for re-adjusting the air pressure from 0.5 - 8 bar. Suitable for the following units :...
Accessories and spare parts for METAL WORK air treatment units. Mounting angle for mounting 1/4" size units.
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...
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" with air...
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...
Accessories and spare parts for METAL WORK air treatment units. Replacement container for METAL WORK filters size 3/8"-1/2".
Accessories and spare parts for METAL WORK air treatment units. Replacement container for METAL WORK lubricators size 3/8"-1/2".
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,...
Replacement oil seal for METAL WORK compact filters size 1/8" - 1/4".
Air treatment units A1. Simple air filtration at 5 um. Filter design 1/2" with air flow of 5,000 l/min. Semi-automatic condensate discharge in the flask.
Accessories and spare parts for METAL WORK air treatment units. Replacement filter insert 5 um for filter size 3/4"-1" as replacement insert for FDM and FWA air filters.
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.
Accessories and spare parts for METAL WORK air treatment units. Replacement filter insert 20 um for filter size 3/4"-1" as replacement insert for FDM and FWA air filters.
Mounting angle for air handling units A2F-38, A2L-38. Attachment of filters and lubricator of A2F units to the unit body.
Accessories and spare parts for METAL WORK air treatment units. Mounting angle for mounting units in sizes 3/8"-1/2".
AAFC cyclone separator in 1/2" design with a flow rate of 1,300 l/min for partial removal of condensate from compressed air. Here the flow changes to rotational and due to the...
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,...
Accessories and spare parts for METAL WORK air treatment units. Replacement filter insert 5 um for filter size 1/4" as replacement insert for FDM and FWA air filters.
High-flow silencer with external pipe thread G 1/2" designed especially for compressed air expansion during regeneration and ventilation of adsorption dryer production columns....
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 -...
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...
Accessories and spare parts for METAL WORK air treatment units. Replacement filter insert 5 um for filter size 3/8"-1/2" as replacement insert for FDM and FWA air filters.
Replacement diaphragm for A2 - A2MR-12 pressure regulators. Simple diaphragm exchange for re-adjusting the air pressure from 0.5 - 8 bar. Suitable for the following units :...
Mounting bracket with size 1 lock nut for FUTURA air handling units. Installation for pressure regulator or pressure regulator with filter. Simple attachment with a bracket. The...
Replacement container for filter unit A2 - A2NF-14. Simple container change with lock on the following units: A2F-14, A2S-14, A2U-14.
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...
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"...
Accessories and spare parts for METAL WORK air treatment units. Replacement container for METAL WORK lubricators size 3/4"-1"
Mounting angle for mounting 1/4" size units. Accessories and spare parts for METAL WORK air treatment units.
Metal filter up to 18 bar with 20 µm cartridge for a flow rate of 4 300 l/min in size 2 with 1/2" thread. Application mainly in industry, laboratory, measuring and control...
Condensation dryer for compressed air to +3°C dew point. Maximum inlet pressure is 14 bar with a flow rate of up to 35 m³/hr (583 l/min) and connection via external G3/4"...
Standard connection set for FUTURA size 2 air handling units without wall bracket. The kit can be used to connect any 2 modules of a given size together without the need for...
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...
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 950 m³/h (15,833 l/min) and connection via external thread...
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.