The time period oil-free compressed air is commonly used to describe compressed air that is generated by oil-free compressors. This category of compressor consists of centrifugal, oil-free rotary screws and non-lubricated reciprocating compressors. These machines are designated as oil-free as a result of they don't use lubricants within the compression chamber - reliable industrial air screw compressors . Industrial air compressors are used mostly for industrial purposes, as they are the kings of the its world. These industrial compressors have much more power than their more compact counterparts and can be used for a wider variety of tasks. For all practical functions screw compressors, particularly inexpensive ones, have a finite life, by industrial requirements a fairly brief one too, after which repair turns into economically impossible. If you are planning to buy air compressor then there are various reputed manufacturers which are available in the market and ca...