Powder and Bulk Engineering
Monday, September 01, 2014
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Powder and Bulk Engineering is a technical publication devoted to readers in the bulk solids market, worldwide.
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Publication Date: 09/1990
Pages: 2
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How air density affects vacuum pump performance

Perhaps you use a vacuum pump to power process equipment, such as a pneumatic conveyor. If so, then you should be aware that air density -- the number of air molecules per volume of air -- affects the vacuum level your pump can generate. But what factors influence air density? And how can you select a vacuum pump that performs well in the air density at your site?

To answer these questions, this article first explains how a vacuum pump works and then discusses how two factors -- atmospheric pressure and temperature -- affect air density and, in turn, vacuum pump performance.

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