To evaluate a compressed air system, you must begin at the end: what are your air requirements at the point of use? Once you determine exactly what type and how much air you need, you can begin to factor in design considerations, costs, and efficiencies.
Technical article covers evaluating a compressed air system, types of air compressors, selecting an air compressor, maintenance, troubleshooting, glossary and reference data...click here for the complete article in PDF format.