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.

Air pressure regulators

🔹 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:

Ventilek advises: Folks, saving on air treatment simply doesn't pay off! Compressed air straight from the compressor is like rainwater mixed with oil and sand. Imagine sending this into a brand-new pneumatic wrench or a plasma cutter worth tens of thousands. After a few months, your machine is ruined! Investing in a condensate dryer and a few smart filters is only a tiny fraction of what constant repairs of rusted pistons and clogged nozzles would cost you. And for peace of mind – choose filters with a differential pressure gauge, they will "tell" you themselves when it's time to replace the cartridge.

p2r 14 regulator tlaku uprava vzduchu jednotka

€26,50 –5 %

Pressure regulator up to 12 bar - 1/4"

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Code: P2R-14

Was: €26,50 (–5 %)

€25,17

(€20,80 excl. VAT)

B2R regulator tlaku 18 bar vzduch stlaceny

€31,58 –5 %

Pressure regulator metal B2 up to 18 bar - 1/4"

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Code: B2R-14

Was: €31,58 (–5 %)

€30

(€24,79 excl. VAT)

b2ur 1 uhlenik montaz regulator tlaku uprava vzduchu jednotka

€3,64 –4 %

Fixing bracket B2UR - 1/4"

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Code: B2UR-1

Was: €3,64 (–4 %)

€3,46

(€2,86 excl. VAT)

regulator tlaku stlacenoho vzduchu filtr (1) (1)

€35,09 –4 %

Pressure regulator up to 13 bar - 1/8"

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Code: DM18P

Was: €35,09 (–4 %)

€33,34

(€27,55 excl. VAT)

p2s 14 regulator filtr tlaku uprava vzduchu jednotka

€46,39 –5 %

Pressure regulator with filter up to 12 bar - 1/4"

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Code: P2S-14

Was: €46,39 (–5 %)

€44,07

(€36,42 excl. VAT)

€225,55 –3 %

Filter insert PFI20 010V

Code: PFI20-010V

Was: €225,55 (–3 %)

€218,79

(€180,82 excl. VAT)

€25,82 –5 %

Pressure regulator A2R-14

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Code: A2R-14

Was: €25,82 (–5 %)

€24,53

(€20,27 excl. VAT)

€52,69 –4 %

Pressure regulator metal B2 up to 18 bar - 1/2"

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Code: B2R-12

Was: €52,69 (–4 %)

€50,06

(€41,37 excl. VAT)

€175,97 –10 %

AWL Silencer - 2"

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Code: AWL-20

Was: €175,97 (–10 %)

€158,37

(€130,88 excl. VAT)

€38,39 –5 %

Air filter 5 um A2F-12

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Code: A2F-12

Was: €38,39 (–5 %)

€36,47

(€30,14 excl. VAT)

83 items total

Proportional regulator 1/4" - (0 - 10 V) - 0 - 1 bar

+ Free gift

€1 989,81 –5 %

Proportional regulator 1/4" - (0 - 10 V) - 0 - 1 bar

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€1 562,25 excl. VAT

€1 890,32 / pcs

Proportional pressure regulator with flow rate 530 l/min, 0 - 1 bar control, controlled by 0-10 V electrical signal. Integrated transducer to convert the electrical quantity to...

Code: DRPE14-1I

Proportional regulator 1/4" - (4 - 20 mA) - 0 - 1 bar

+ Free gift

€1 989,81 –5 %

Proportional regulator 1/4" - (4 - 20 mA) - 0 - 1 bar

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€1 562,25 excl. VAT

€1 890,32 / pcs

Proportional pressure regulator with flow rate 530 l/min, 0 - 1 bar control, controlled by 4-20 mA electrical signal. Integrated transducer to convert the electrical quantity to...

Code: DRPE14-1A

€167,02 –3 %

Vacuum prefilter PVACP G3/8"

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€133,89 excl. VAT

€162,01 / pcs

Vacuum pre-filter PVACP with G3/8" connection thread for protection of vacuum pumps and vacuum pumps against solid impurities. Filtration capacity up to 3 um. Working pressure...

Code: PVACP-0056

€579,67 –3 %

Vacuum filter MVAC G1 1/2"

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€464,69 excl. VAT

€562,28 / pcs

MVAC medical vacuum filter with G1 1/2" connection thread designed for effective removal of solid and liquid impurities and bacteria from the suction side of vacuum pumps....

Code: MVAC-0706

€34,81 –2 %

Filter cartridge MVAC-0006V

€27,91 excl. VAT

€33,77 / pcs

Filter cartridge for medical vacuum filter MVAC-0006. Applications mainly in medical devices. Working pressure 20 to 2000 mbar, maximum flow up to 60 l/min.

Code: MVAC-0006V

Filtration, regulation and treatment of compressed air

Basic pillars of compressed air treatment

🔹 1. Drying (Moisture Removal)

🔹 2. Filtration (Removal of solid particles)

🔹 3. Pressure regulation

🔹 4. Condensate and oil separation

ISO 8573-1 Standard: What Quality Do You Need?

Step-by-step air treatment

Further expert articles from our advice center:

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