A Guide to the Various Types of Industrial Air Compressors

There are many industries that require compressed air, and there are also many types of compressor, which can be a little confusing to some. Souring a suitable air compressor can be a little tricky, and a mistake could be costly, and with that in mind, here is a brief overview of the various types of air compressor used today.

  • Piston Compressor – The tried and trusted piston compressor has served many industries for many decades, and works by compressing the air inside the cylinder, and with two valves, one for intake and one for output, the air is systematically forced into one channel, thus creating a flow of compressed air. You would typically find these in car repair workshops and on small engineering floors, and they are popular because the machine is very simple in design and easy to repair and maintain. There is a system in place, where the pump only kicks in when the pressure drops to a certain PSI, and there is also an upper limit, which automatically turns off the compressor. If you are looking for industrial air compressors in Sydney, or anywhere else for that matter, an online search will soon have you on the right website.
  • Rotary Screw Compressor – This works on the principle of using two helical screws to compress air, with the rotors having very little clearance and turning in opposite directions, which forces the air out into a chamber at the forced end, while at the other end there is an air intake. There are two main types of rotary screw compressor, oil-injected and oil-free, with the oil-injected version being the most popular, as it is considerably cheaper, and the oil-free model would only be used when the environment demands oil-free air.
  • Scroll Compressor – An ingenious design allows for very quiet running with hardly any vibration, which is important for any machine. It compresses the air by using two spiral elements, one that moves and the other that remains fixed, and while the air is oil-free, this type of compressor does not produce high quantities, so is only suitable when small amounts of compressed air are needed.
  • Consider your Needs – When selecting the type of air compressor, one must look at what is required. Does the air need to be oil-free? If not, then perhaps an oil lubricated piston compressor would be ideal. Compressed air is measured in cubic feet per minute (cfm) and by checking all the power tools that use compressed air, you can calculate your cubic needs. If you need compressed air solutions, but are unsure about type, consult an established supplier, who can advise you accordingly, and with online solutions, locating the right company has never been easier.

Compressed air has long been a favoured power option for many tools, and with a wide range of industrial air compressors, it is possible to find the one that delivers what you require.

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