What is an air compressor and how does it work?
How air compressors work: flow, pressure and power. An introduction to screw, piston, oil-lubricated and oil-free compressors.
Read guideLEARN / KNOWLEDGE BASECompressed air.
Discuss your project ↗Compressed air.
Clear and practical.
From choosing a compressor to drying, operation and total cost of ownership. Independent of brand.
01 / SelectBuild an installation and save a PDF →02 / CalculateAccount for site conditions →03 / Compare costsEstimate total cost of ownership →
What is compressed air? Applications, moisture and treatment
Why compressed air is used, where condensate comes from, and what receivers, dryers and filters do in an industrial air system.
Read guideChoosing an air compressor: from application to specification
Flow, pressure, duty and air quality: the inputs needed for brand-independent compressor selection.
Read guideCompressor flow: m³/min, l/s, FAD and Normal
Converting l/s and m³/min, and why identical units do not imply identical reference conditions.
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Refrigerated or adsorption dryer: dew point and regeneration
Selecting a dryer by pressure dew point, operating conditions and regeneration air demand.
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Compressed air filters and oil-free compression: defining air quality
Particles, water and oil: specify air treatment without confusing a filter designation with system air quality.
Read guideVSD or FixSpeed: comparing compressor control
Choose variable or fixed speed using demand profiles, control range and station operation.
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Compressed air leaks: find losses and verify repairs
Log leaks, inspect connections and assess lost-air costs without assuming universal savings.
Read guideReceivers and pressure drop: why air fails to reach the tool
Check mains, filters and peak demand before raising compressor pressure or power.
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Compressor ownership cost: electricity, parts and service labour
A transparent TCO: purchase, average power, tariff, operating hours, parts and person-hours.
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Compressed air applications: workshops, painting, industry and construction
Turn an everyday task into compressor, flow and air-treatment requirements before choosing a brand.
Read guidePractical DAUCORE guides include inputs, limitations and primary technical references. Examples are illustrative; verify each installation against its operating point and datasheet.