CAGI Data Sheets: An Apples To Apples Performance Comparison

Thu, 04/18/2013 - 3:58pm
Werner Rauer, Compressors Product Manager, Kaeser Compressors, Inc.


Comparing compressor performances across different manufacturers has long been a difficult task. For a many years, it was all too easy to present data that, although accurate, was potentially misleading. Manufacturers were selective about what information they published as well as what conditions they chose to specify performance. The result was a numbers game that the buyer frequently lost.

Fortunately, the Compressed Air and Gas Institute (CAGI), in cooperation with its members, has developed a tool for a fair comparison between compressors. CAGI is a non-profit organization of competitive companies that manufacture air and gas compressors and related equipment. CAGI seeks to educate end-users to promote effective, safe, and energy efficient uses of compressed air and gases.

Performance Verification and Data Sheets
CAGI members have worked closely with several standards development bodies such as PNEUROP (CAGI’s European counterpart) and the International Organization for Standardization (ISO) to develop key standards for compressed air and gas systems equipment.

Under the Rotary Compressor Performance Verification Program, rotary compressors are tested according to ISO 1217 (Annex C for fixed speed compressors and Annex E for variable speed compressors). There is a standard form for participating members to publish their compressor performance information and the values published on the form are then subject to third party testing and verification.

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