Why does a screw compressor need oil?

Screw compressor oil is essential for the compressor operation

An oil injected screw compressor requires oil for several key functions:

The use of generic lubricants and irregular maintenance will have negative consequences to the lifetime, overall performance and energy efficiency of the machine.

When do I need to change my screw compressor oil?

To determine when your screw compressor oil needs replacing, there are several factors that need to be taken into account. 


Element outlet < 95°C (203°F)
or
Ambient < 30°C (86°F)
 N
 N
 Mild
Y
 N
 Mild
N
 Y
 Mild
Y
 Y
 Demanding
95°C (203°F) < Element outlet < 105°C (221°F)
or
30°C (86°F) < Ambient < 40°C (104°F)
 N
 N
 Demanding
Y
 N
 Demanding
N
 Y
 Demanding
Y
 Y
 Extreme
Element Outlet > 105°C (221°F)     or     Ambient > 40°C (104°F)
 -
 -
 Extreme


You should always check your maintenance history and service manual for the recommendations of the manufacturer before working on a compressor. In case of doubt, contact your Ash Air representative.


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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!

  • Rotary Screw and Piston Air Compressors
  • Vacuum Pumps and Blowers
  • Nitrogen Generation
  • An extensive line of Air Treatment components
  • AIRnet Piping System and  Filtration
  • Mobile Compressors, Generators, and Light Towers

Ash Air's range of Chicago Pneumatic, ALUP, Pneumatech, and Atlas Copco products 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 with nationwide coverage, Ash Air offers one of the widest selections of compressed air, vacuum pump, and industrial gas equipment and parts available today in New Zealand.

Reliability and Efficiency

With Ash Air, 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 and meeting our sustainability goals
  • Improving the cleanliness of compressed air


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