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The load on any compressed air system — and the flow that must be produced to maintain pressure — contributes to the cost of operation.  A good strategy to follow in trying to reduce compressed air costs is to examine the end users of the system and determine if they are classed as “appropriate” or […]

A compressor that had reached near the end of its useful life was retained as a spare compressor. The unit sat on standby but rarely ran, except during maintenance periods. Years ago, a compressed air auditor placed thermal mass flow meters on each of the facilities four compressors. The flow on the standby compressor did […]

An important part of any energy efficiency project is verification of the project post installation. Checking out the baseline of the new system and comparing it with the old consumption proves the savings … and gives you the confidence that everything is working okay. The chart shown at right shows a real system with a […]

Duct Tape (also called duck tape) has been around since the 1940s, when it was designed to be easily used to make quick repairs on things (see Wikipedia). Over the years, it seems many strange and wonderful uses have been found for this handy adhesive tape, including its incorrect use on compressed air systems. The […]

Leakage is usually a significant add-on to the cost of operating a compressed air system.  Almost every factory employee knows there are air leaks, and often can identify where the big ones are, but follow through on this knowledge is often a problem. This is where a good system of leakage detection and repair comes […]

A common problem in tracking inventory in a business is shrinkage. Products or merchandize will disappear before being sold.  This could be by theft or some sort of accounting problem, but the effect is the same, the effort, energy or money spent in making the product is wasted, with no real return on this effort.  In […]

A large trade school replaced their older reciprocating compressor with a newer lubricated screw compressor. The staff was tired of the noise of the piston compressor, hammering away during daytime activities. The newer and quieter screw compressor was an easy replacement — just drop it in and turn it on! It purred like a kitten. […]

Question: In a manufacturing facility, and especially with a VFD (which I understand likes cleaner air), how important is it to vent the intake and exhaust of the compressor to outside? I can’t see air up on the roof being much cooler than inside the plant in the hot summer and in the winter you would […]