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Why buy nitrogen when you can generate and store your own?

Produce your own nitrogen on-site

It is time to abandon the N2 bottle

Do you regularly consume nitrogen in your company? If so you are more than aware of what an ordeal nitrogen tank rental and delivery can be. The rental and delivery service is very expensive, replacing tanks regularly causes unnecessary downtime and added labour costs, the gas company’s contracts can be hard to get out of. The bulky nitrogen cylinders take up a lot of floor space in your facility, having vessels of gas under high pressure, is an ever-present health and safety risk. … and the list goes on.

Start saving money by generating your own nitrogen

Why switch to on-site nitrogen?

Switch and save today and stop relying on third party suppliers! We offer a range of generators that allow you to produce nitrogen at your own facility to whatever purity level your application requires! On-site nitrogen allows you to reduce the waste, control the purity, and have nitrogen gas available at your fingertips 24/7. Our nitrogen generators are available in both PSA and membrane technologies.

With all this in mind, why stick with bottled N2?

Example of a nitrogen generator installation


With Pneumatech you can produce all of the nitrogen for all of your production processes yourself. This offers numerous advantage


Membrane Nitrogen Gas Generators

Pneumatech’s PMNG range of nitrogen generators utilizes proprietary membrane separation technology. Membrane generators are an excellent choice in low (90%) to medium (99,5%) purity applications such as tire inflation, fire prevention, tank blanketing and pipeline drying. Nitrogen pressures can go up to 12 bar (g) without the need for an additional booster.

Engineered for simplicity, durability and ease of use make the PMNG what we believe to be the most user friendly unit in the market. All pre-filters and controls are included inside the canopy.

PSA Nitrogen Gas Generators

The PPNG series is Pneumatech’s premium on-site nitrogen solution for low to high flows, with best-in-class performance and the most complete scope of supply.

The generator has outstanding air factors at full load thanks to the use of highly efficient Carbon Molecular Sieves (CMS) and back-flow pressurization.
The air consumption is also optimized at reduced nitrogen flow or pressure demands, thanks to the advanced energy saving algorithm, which automatically adjusts the cycle times of the generator.
The control and monitoring capabilities of the PPNG series are truly impressive.

Let's switch! Find out how much you could save today! Let's switch! Find out how much you could save today!


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!

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:

Talk to the team today:  CONTACT US CONTACT US


Congratulations to the new owner of a #chicagopneumatic 2.5HP #aircompressor, from South Auckland. Erikk from Ultra Laser Cutting was thrilled to have walked away with a brand new compressor for his workshop after visiting us at the EMEX 2022 trade show and scanning his details with our team for more information.

The team at Ash Air are passionate about supporting the continuity of your business 24/7; supporting all aspects of your compressed air and vacuum systems, with second-to-none service for all brands. Consistently working towards providing absolute compressed air performance for your operations, we couldn't achieve this without an intregal part of the formula: our ever-important Service Planners!

In Ash Air we encourage curiosity and creativity and believe that everyone has the opportunity to learn, every day. To celebrate our culture of continuous learning. This year, we were proud to be involved with the #NeverStopLearning Festival, aimed to give inspiration and learning opportunities in various forms., 

And that's a wrap! Ash Air attended EMEX 2022, recently held on Tuesday 31st May - Thursday 2nd June, situated in Hall 2, stand #2020. It was an epic three days, with a team of regional sales engineers answering questions and meeting many new prospective and current customers...

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