Nitrogen & Oxygen Gas Generators

Since 1966, Pneumatech has provided industry-leading compressed air treatment and on-site gas generation solutions to customers across the globe. Our on-site nitrogen and oxygen generators provide you with premium, industrial gas without the cumbersome handling of bottles, cost-efficient, easy and at the purity level required by you.


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Onsite gas generation tailored to your needs

Experience top-notch on-site nitrogen and oxygen generation in New Zealand with our advanced Pneumatech N2 and O2 gas systems. Say goodbye to the hassle of handling gas bottles, enjoy cost-effective solutions, and ensure the purity levels tailored to your specific needs in the industrial sector.

Talk to our team today about nitrogen and oxygen gas generators Talk to our team today about nitrogen and oxygen gas generators

Nitrogen Generators:

 Empower your operations with the intelligent choice of producing nitrogen on-site. Opting for an on-site nitrogen generator in New Zealand is a superior, cost-efficient, and sustainable alternative to traditional gas deliveries. Switch from Liquid Nitrogen to On-Site Generation and Cut Your Operating Cost Down.

Oxygen Generators:

Experience the cutting-edge on-site oxygen generation offered by Pneumatech, a leading air treatment and gas generation expert, proudly presented by Ash Air in New Zealand. Utilizing advanced zeolite technology, our oxygen generators efficiently separate gases, ensuring purity levels of up to 95%. From compressed air applications to critical environments like veterinary clinics and medical facilities, our machines deliver unparalleled performance. Elevate your business with a dependable O2 supply, reduce costs, and enhance operational excellence through Pneumatech's expertise, products, and services. Discover the seamless synergy of cutting-edge oxygen solutions for optimal reliability and efficiency, exclusively offered by Ash Air in New Zealand.

Explore our Industrial Gases Selection

Browse our online catalogue and discover Pneumatech Nitrogen and Oxygen Generators  for sale in New Zealand. We're excited to offer only the best on the market in NZ. Get in touch today and learn why Ash Air have over 40 years in the business, with thousands of happy customers throughout the country.

Online Shop

Shop online for quality air compressors, fittings, air tools, air regulators, pressure switches, and maintenance kits for NZ businesses and DIYers. Hassle-free, secure payment with Afterpay, nationwide delivery.

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Air Compressors & Treatment

From powerful rotary screw compressors to reliable piston air compressors, we offer a comprehensive range. Explore top-quality air compressors and treatment solutions in New Zealand with Alup and Chicago Pneumatic. Enhance your compressed air system with our refrigerated and desiccant air dryers. Trust us for sales and service of premium air compressors in NZ.

Sub Categories

Vacuum Pumps & Blowers

The team at Ash Air has an extensive range of top quality vacuum pumps and equipment, including rotary vane pumps, liquid ring pumps, claw pumps and screw pumps that are low maintenance, energy-efficient, reliable, affordable and hard working.

Sub Categories

Nitrogen & Oxygen Gas Generators

Our nitrogen gas generators offer excellent all-in-one solutions, with technologically-advanced systems, are very convenient, space saving and easy to install. Our nitrogen generators have impressive control and monitoring capabilities with very reliable purity settings and long-lasting membrane technology.

Sub Categories

Brass Fitting 1/2 EQUAL TEE | PN: 20308

Brass Fitting 1/2 EQUAL TEE | PN: 20308

$40.30 NZD exc.
$46.34 NZD inc.

IN STOCK

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3 in 1 Tyre Inflator 1/4 " | 3 Function Tyre Pressure Gauge | PN: AA-6000A

3 in 1 Tyre Inflator 1/4 " | 3 Function Tyre Pressure Gauge | PN: AA-6000A

$37.23 NZD exc.
$42.81 NZD inc.

IN STOCK

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CP7111 Chisel for Air Hammer

CP7111 Chisel for Air Hammer

From $34.38 NZD exc.
$39.54 NZD inc.

IN STOCK

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EMAX Spiral Hose 1/4" BSP Ends (5X8 MM, 6 MTR) | PN: AA-5806

EMAX Spiral Hose 1/4" BSP Ends (5X8 MM, 6 MTR) | PN: AA-5806

$32.51 NZD exc.
$37.39 NZD inc.

IN STOCK

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Brass Fitting 3/8 BSP FEMALE TEE | PN: 370006

Brass Fitting 3/8 BSP FEMALE TEE | PN: 370006

$28.52 NZD exc.
$32.80 NZD inc.

IN STOCK

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Push In Fitting BFC 6 1/8 6MM X 1/8M BSP BANJO FLOW CONTROL | PN: AS2201F-01-06SA

Push In Fitting BFC 6 1/8 6MM X 1/8M BSP BANJO FLOW CONTROL | PN: AS2201F-01-06SA

$27.92 NZD exc.
$32.11 NZD inc.

IN STOCK

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PIT Tools Air Blower Duster Gun 30cm | PN: HBB-30

PIT Tools Air Blower Duster Gun 30cm | PN: HBB-30

$26.28 NZD exc.
$30.22 NZD inc.

IN STOCK

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Brass Fitting 3/4 HOSE JOINER | PN: 20512

Brass Fitting 3/4 HOSE JOINER | PN: 20512

$25.19 NZD exc.
$28.97 NZD inc.

IN STOCK

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EMAX Air Blow Gun Kit | PN: AA-3020K

EMAX Air Blow Gun Kit | PN: AA-3020K

$21.41 NZD exc.
$24.62 NZD inc.

IN STOCK

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PIT Tools Air Blower Duster Gun | PN: HBB-12

PIT Tools Air Blower Duster Gun | PN: HBB-12

$21.41 NZD exc.
$24.62 NZD inc.

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Brass Fitting 3/4 - 1/4 REDUCING NIPPLE | PN: 332401204

Brass Fitting 3/4 - 1/4 REDUCING NIPPLE | PN: 332401204

$20.92 NZD exc.
$24.06 NZD inc.

IN STOCK

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Brass Fitting 3/4 - 1/2 REDUCING NIPPLE | PN: 332401208

Brass Fitting 3/4 - 1/2 REDUCING NIPPLE | PN: 332401208

$17.00 NZD exc.
$19.55 NZD inc.

IN STOCK

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Brass Fitting 3/4 - 3/8 REDUCING NIPPLE | PN: 332401206

Brass Fitting 3/4 - 3/8 REDUCING NIPPLE | PN: 332401206

$17.00 NZD exc.
$19.55 NZD inc.

IN STOCK

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Brass Fitting 3/4 BSPT HEX NIPPLE | PN: 332512

Brass Fitting 3/4 BSPT HEX NIPPLE | PN: 332512

$17.00 NZD exc.
$19.55 NZD inc.

IN STOCK

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Fitting FEMALE ARO COUPLING NITO STYLE 1/4" BSP FEMALE THREAD | PN: SF20SC

Fitting FEMALE ARO COUPLING NITO STYLE 1/4" BSP FEMALE THREAD | PN: SF20SC

$16.20 NZD exc.
$18.63 NZD inc.

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Fitting 1/2 BSP HIGH FLOW MALE ARO COUPLER | PN: A118

Fitting 1/2 BSP HIGH FLOW MALE ARO COUPLER | PN: A118

$14.21 NZD exc.
$16.34 NZD inc.

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Fitting 1/2 BSP HIGH FLOW MALE ARO COUPLER | PN: A119

Fitting 1/2 BSP HIGH FLOW MALE ARO COUPLER | PN: A119

$14.21 NZD exc.
$16.34 NZD inc.

IN STOCK

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PIT Tools Air Dust Gun (DG-4) | PN: MAT890052

PIT Tools Air Dust Gun (DG-4) | PN: MAT890052

$13.14 NZD exc.
$15.11 NZD inc.

IN STOCK

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Fitting 1/2 HOSE HIGH FLOW MALE ARO COUPLER | PN: A120

Fitting 1/2 HOSE HIGH FLOW MALE ARO COUPLER | PN: A120

$13.10 NZD exc.
$15.06 NZD inc.

IN STOCK

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Fitting 1/2 BSP X 1/2 HOSE MALE HOSE TAIL | PN: A121

Fitting 1/2 BSP X 1/2 HOSE MALE HOSE TAIL | PN: A121

$11.97 NZD exc.
$13.77 NZD inc.

IN STOCK

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Brass Fitting 3/4 3/8 REDUCING BUSH | PN: 32241206

Brass Fitting 3/4 3/8 REDUCING BUSH | PN: 32241206

$11.30 NZD exc.
$12.99 NZD inc.

IN STOCK

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Brass Fitting 3/4 BSPT HEX PLUG | PN: 3152012

Brass Fitting 3/4 BSPT HEX PLUG | PN: 3152012

$11.30 NZD exc.
$12.99 NZD inc.

IN STOCK

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Brass Fitting 1/2 - 1/2 BSP SOCKET | PN: 330008

Brass Fitting 1/2 - 1/2 BSP SOCKET | PN: 330008

$11.19 NZD exc.
$12.87 NZD inc.

IN STOCK

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Brass Fitting 1/4 X 3 BARREL NIPPLE | PN: 33270403

Brass Fitting 1/4 X 3 BARREL NIPPLE | PN: 33270403

$11.19 NZD exc.
$12.87 NZD inc.

IN STOCK

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Brass Fitting 3/4 1/2 REDUCING BUSH | PN: 32241208

Brass Fitting 3/4 1/2 REDUCING BUSH | PN: 32241208

$11.19 NZD exc.
$12.87 NZD inc.

IN STOCK

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Brass Fitting 3/4 1/4 REDUCING BUSH | PN: 32241204

Brass Fitting 3/4 1/4 REDUCING BUSH | PN: 32241204

$11.19 NZD exc.
$12.87 NZD inc.

IN STOCK

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Fitting NITO STYLE MALE 3/8 HOSE TAIL | PN: A115

Fitting NITO STYLE MALE 3/8 HOSE TAIL | PN: A115

$10.73 NZD exc.
$12.34 NZD inc.

IN STOCK

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Push In Fitting - PM1206E 6MM BULKHEAD UNION | PN: KQ2E06-00N

Push In Fitting - PM1206E 6MM BULKHEAD UNION | PN: KQ2E06-00N

$10.68 NZD exc.
$12.28 NZD inc.

IN STOCK

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Fitting 3/8 BSP NITO STYLE MALE | PN: A113

Fitting 3/8 BSP NITO STYLE MALE | PN: A113

$9.50 NZD exc.
$10.92 NZD inc.

IN STOCK

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Fitting 3/8 F BSP NITO STYLE MALE | PN: A114

Fitting 3/8 F BSP NITO STYLE MALE | PN: A114

$9.50 NZD exc.
$10.92 NZD inc.

IN STOCK

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Brass Fitting 1/2 - 3/8 REDUCING NIPPLE | PN: 33240806

Brass Fitting 1/2 - 3/8 REDUCING NIPPLE | PN: 33240806

$9.31 NZD exc.
$10.71 NZD inc.

IN STOCK

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Brass Fitting 1/4 x 1/2 BARREL NIPPLE | PN: 33270402.5

Brass Fitting 1/4 x 1/2 BARREL NIPPLE | PN: 33270402.5

$9.31 NZD exc.
$10.71 NZD inc.

IN STOCK

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Brass Fitting 3/8 BSP 3/8 TUBE FEMALE HOSE TAIL | PN: 2070606

Brass Fitting 3/8 BSP 3/8 TUBE FEMALE HOSE TAIL | PN: 2070606

$9.31 NZD exc.
$10.71 NZD inc.

IN STOCK

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Push In Fitting RPM2308 8MM Y UNION | PN: KQ2U08-00A

Push In Fitting RPM2308 8MM Y UNION | PN: KQ2U08-00A

$8.71 NZD exc.
$10.02 NZD inc.

IN STOCK

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Brass Fitting 1/2 1/8 REDUCING BUSH | PN: 32240802

Brass Fitting 1/2 1/8 REDUCING BUSH | PN: 32240802

$8.22 NZD exc.
$9.45 NZD inc.

IN STOCK

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Brass Fitting 1/4 BSP 1/2 TUBE FEMALE HOSE TAIL | PN: 2070804

Brass Fitting 1/4 BSP 1/2 TUBE FEMALE HOSE TAIL | PN: 2070804

$8.22 NZD exc.
$9.45 NZD inc.

IN STOCK

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Brass Fitting 1/4 x 2 BARREL NIPPLE | PN: 33270402

Brass Fitting 1/4 x 2 BARREL NIPPLE | PN: 33270402

$8.22 NZD exc.
$9.45 NZD inc.

IN STOCK

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Brass Fitting 1/8 X 1/2 BARREL NIPPLE | PN: 33270202

Brass Fitting 1/8 X 1/2 BARREL NIPPLE | PN: 33270202

$8.22 NZD exc.
$9.45 NZD inc.

IN STOCK

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Brass Fitting 1/8 X 2.1/2 BARREL NIPPLE | PN: 33270202.5

Brass Fitting 1/8 X 2.1/2 BARREL NIPPLE | PN: 33270202.5

$8.22 NZD exc.
$9.45 NZD inc.

IN STOCK

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Brass Fitting 3/8 - 3/8 BSP SOCKET | PN: 330006

Brass Fitting 3/8 - 3/8 BSP SOCKET | PN: 330006

$8.22 NZD exc.
$9.45 NZD inc.

IN STOCK

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Brass Fitting 1/2 - 1/4 REDUCING NIPPLE | PN: 33240804

Brass Fitting 1/2 - 1/4 REDUCING NIPPLE | PN: 33240804

$8.21 NZD exc.
$9.44 NZD inc.

IN STOCK

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Brass Fitting 1/2 HOSE JOINER | PN: 20508

Brass Fitting 1/2 HOSE JOINER | PN: 20508

$8.21 NZD exc.
$9.44 NZD inc.

IN STOCK

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Brass Fitting 5/8 HOSE JOINER | PN: 20510

Brass Fitting 5/8 HOSE JOINER | PN: 20510

$8.21 NZD exc.
$9.44 NZD inc.

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Push In Fitting RM091013 10MM X 3/8 BSP MALE ELBOW | PN: KQ2L10-03NS

Push In Fitting RM091013 10MM X 3/8 BSP MALE ELBOW | PN: KQ2L10-03NS

$8.16 NZD exc.
$9.38 NZD inc.

IN STOCK

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Push In Fitting RM091014 10MM X 1/2 BSP MALE ELBOW | PN: KQ2L10-04NS

Push In Fitting RM091014 10MM X 1/2 BSP MALE ELBOW | PN: KQ2L10-04NS

$8.16 NZD exc.
$9.38 NZD inc.

IN STOCK

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Brass Fitting 1/2 BSPT HEX NIPPLE | PN: 332508

Brass Fitting 1/2 BSPT HEX NIPPLE | PN: 332508

$7.71 NZD exc.
$8.87 NZD inc.

IN STOCK

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Brass Fitting 1/8 X 3 Brass Fitting 1/8 X 1-1/2 BARREL NIPPLE  | PN: 33270203

Brass Fitting 1/8 X 3 Brass Fitting 1/8 X 1-1/2 BARREL NIPPLE | PN: 33270203

$7.67 NZD exc.
$8.82 NZD inc.

IN STOCK

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Push In Fitting RM0410 10MM STRAIGHT UNION | PN: KQ2H10-00A

Push In Fitting RM0410 10MM STRAIGHT UNION | PN: KQ2H10-00A

$7.61 NZD exc.
$8.75 NZD inc.

IN STOCK

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Push In Fitting RM090813 8MM X 3/8 BSP MALE ELBOW | PN: KQ2L08-03NS

Push In Fitting RM090813 8MM X 3/8 BSP MALE ELBOW | PN: KQ2L08-03NS

$7.61 NZD exc.
$8.75 NZD inc.

IN STOCK

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Push In Fitting RM091012N 10MM X 1/4 BSP MALE ELBOW | PN: KQ2L10-02NS

Push In Fitting RM091012N 10MM X 1/4 BSP MALE ELBOW | PN: KQ2L10-02NS

$7.61 NZD exc.
$8.75 NZD inc.

IN STOCK

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Push In Fitting RPM2306E 6MM Y UNION | PN: KQ2U06-00A

Push In Fitting RPM2306E 6MM Y UNION | PN: KQ2U06-00A

$7.61 NZD exc.
$8.75 NZD inc.

IN STOCK

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Push In Fitting RM0206E 6MM UNION TEE | PN: KQ2T06-00A

Push In Fitting RM0206E 6MM UNION TEE | PN: KQ2T06-00A

$7.45 NZD exc.
$8.57 NZD inc.

IN STOCK

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Fitting 1/4 F BSP NITO STYLE MALE | PN: A112B

Fitting 1/4 F BSP NITO STYLE MALE | PN: A112B

$7.14 NZD exc.
$8.21 NZD inc.

IN STOCK

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Brass Fitting 1/2 - 1/8 REDUCING NIPPLE | PN: 33240802

Brass Fitting 1/2 - 1/8 REDUCING NIPPLE | PN: 33240802

$7.00 NZD exc.
$8.05 NZD inc.

IN STOCK

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Brass Fitting 1/4 x 1/2 BARREL NIPPLE | PN: 33270401.5

Brass Fitting 1/4 x 1/2 BARREL NIPPLE | PN: 33270401.5

$7.00 NZD exc.
$8.05 NZD inc.

IN STOCK

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Push In Fitting RM011014 10MM 1/2 BSP MALE CONNECTOR | PN: KQ2H10-04NS

Push In Fitting RM011014 10MM 1/2 BSP MALE CONNECTOR | PN: KQ2H10-04NS

$6.73 NZD exc.
$7.74 NZD inc.

IN STOCK

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Push In Fitting RM0308 8MM UNION ELBOW | PN: KQ2L08-00A

Push In Fitting RM0308 8MM UNION ELBOW | PN: KQ2L08-00A

$6.73 NZD exc.
$7.74 NZD inc.

IN STOCK

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Brass Fitting 1/2 1/4 REDUCING BUSH | PN: 32240804

Brass Fitting 1/2 1/4 REDUCING BUSH | PN: 32240804

$6.03 NZD exc.
$6.93 NZD inc.

IN STOCK

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Brass Fitting 1/2 3/8 REDUCING BUSH | PN: 32240806

Brass Fitting 1/2 3/8 REDUCING BUSH | PN: 32240806

$6.03 NZD exc.
$6.93 NZD inc.

IN STOCK

Add to Cart Add to Cart
Brass Fitting 1/2 BSPT HEX PLUG | PN: 315208

Brass Fitting 1/2 BSPT HEX PLUG | PN: 315208

$6.03 NZD exc.
$6.93 NZD inc.

IN STOCK

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Our Resources

We're committed to offering our customers an extensive range of knowledge-based resources to support you at every stage of your journey. Whether you're just starting your research or making your final purchasing decision, Ash Air is here to support you. 


Contact Us Contact Us Ash Air Expert Corner Blog Ash Air Expert Corner Blog Our News and Stories Our News and Stories

Read our blog


Choosing the right assist gas in laser cutting: nitrogen or oxygen


Controlling your nitrogen purity made easy


How is Nitrogen Used in the Coffee Industry?


Our customers say...



"At Fisher & Paykel Appliances, compressed air and vacuum systems are an important part of our operations. Ash Air understands our needs and can solve our problems very swiftly. They have maintained our systems to a high standard. The service and support from Ash Air over the years has proven to be reliable, professional and genuine. They are highly skilled real people and we are happy to be working with them."

Shane Farrington Engineering Manager, Fisher & Paykel Appliances



"Ash Air has been pivotal in assisting Air New Zealand Engineering in our energy saving efforts. They provide us with constant improvement programs that include high quality equipment & service, Air Quality Testing, Leak Detection & Repairs and point of use improvements. Air New Zealand Engineering do our best in servicing large jet airframes and Ash Air has always been there to support our compressed air efficiency requirements." 
Harvey Roberts Senior Facilities Manager Property & Infrastructure, Auckland Jet Base, Air New Zealand Engineering

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