Atlas Copco Obtains ISO Oil-Free Air Certification

The Belgium-based Oil-free Air Division of Atlas Copco AB, Sweden, has received ISO 8573-1 Class
0 certification for its Z series of oil-free rotary screw air compressors. The compressors — which
were tested by the independent German Technical Monitoring Association — are the first in the world
to receive the certification, according to Atlas Copco, which reported the compressors exhibited no
traces of oil deposits under all test conditions.

The ISO 8573-1 compressed air standard sets procedures for evaluating air purity with respect
to oil, particles and water, as well as identifying gaseous and microbiological contaminants. Class
0 is the most stringent of six purity classes under the standard.

September/October 2006

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