Compressed air is accurately known as the phantom utility. Unlike gas, water and electricity, compressed air is not supplied from outside sources and charged to you by a meter. You can't buy compressed air; you have to produce it yourself. The challenge is to produce this important utility as effectively and efficiently as possible, despite the fact that compressed air is not your primary business.
Compressed air deserves special attention. When properly applied, compressed air is a labor-saving utility that increases production output. About 10% of all electricity in industry is used to drive compressors, and with ever-rising utility rates and the trend toward lower levels of manpower in maintenance, selecting an efficient, reliable air compressor is paramount.
The majority of industrial air applications require a pressure level between 100 and 175 PSIG.
The volume or amount of compressed air per unit of time that a compressor can produce is measured in cubic feet of air per minute (CFM).
The capacity of an air compressor is its ability to deliver a volume of air at an absolute pressure.
A 15 HP Compressor can deliver approximately 60 CFM of air at 100 PSIG.
A 100 HP Compressor can deliver approximately 475 to 500 CFM of air at 100 PSIG.
When comparing compressor performance, be certain the volume of air is expressed in similar terms.
The volume of air a compressor delivers depends upon the actual temperature and pressure of the inlet air.
When comparing the air delivery of compressors, know the temperature and pressure of the inlet air.
Compressed air is stored energy that does work when it is released. You are familiar with several forms of compressed air.
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Determining volume requirements will help narrow down the number of potential compressor choices.