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How much air pressure do I need for my application

There are many areas to consider during the selection process of an air compressor for your business. Most important, determining the proper size of the compressor to match your operational needs. Then secondly, making sure you have the correct installation to adequately support the compressor. The goal, purchasing a compressor sized large enough to have an ample supply of air without overloading the compressor. 

Keep in mind, your operational requirements could have various minimum supply air pressure needs. It is important to take the highest rating of the minimum pressures needed and what application the air compressor will be used for. Figuring out your cubic feet per minute (CFM) of air and pounds per square inch (PSI) for the operational demands of your facility will assist in helping you align with the right compressor. For example, if you will be using it to power air tools, then you need to determine the CFM of each tool and typical frequency of use.

Good news , Ash Air can help to make it easy to figure out the CFM and PSI to align you with the correct compressor. If you need help deciding which size is best for you, please contact us for any assistance.



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Who we are and how Ash Air can help your business!

Ash Air has been around in New Zealand since 1979, and we’ve grown into a nationwide company with international support and a reputation for quality and reliability.We look after all things compressed air for your business!

  • Reciprocating, Screw, air compressors
  • Vacuum pumps
  • Nitrogen
  • An extensive line of air treatment components

Ash Air's range of Chicago Pneumatic, Alup, Pneumatech, and Quincy compressors are used extensively around the world in industries ranging from oil and gas to food, automotive and farming, and we bring you these world class compressors here in the land of the long white cloud.Our technicians are compressed air equipment experts and are dedicated to addressing customer needs. Supported by a 13 locations nationwide, Ash Air offers one of the widest selections of compressed air equipment and parts available today in New Zealand.

Reliability and Efficiency

With Ash Air compressors, you can count on reliability and high performance for even the most demanding applications. We focus our efforts on the following:

  • Increasing uptime
  • Reducing unexpected repairs
  • Reducing energy consumption
  • Improving the cleanliness of compressed air


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Air is always contaminated with solid particles such as dust, sand, soot, salt crystals and water as it leaves the compressor. An effective compressed air treatment system lowers the dew point of the air and takes out the elements that may harm equipment downstream of the compressor and dryer

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