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Onsite Supply

Fully integrated systems

Air Liquide supplies a range of customizable onsite production solutions to meet the diverse needs of many industries.

We can supply bulk volumes of nitrogen directly from gas generators installed directly on customer premises. Our on-site nitrogen production system helps ensure continuous and reliable supply as demand fluctuates. We install, operate and maintain the on-site supply system.  Our expertise in reliable and energy efficient supply of industrial gases allows our customers to focus on their core business.


  • Continuous, reliable gas supply of consistent quality
  • Flexible modular design for easy upgrading when necessary
  • Guaranteed performance – energy and flow rate
  • Remotely managed by a TELEFLO tele-monitoring system
  • Liquid backup helps ensure uninterrupted gas supply
  • Carbon footprint is significantly reduced compared to delivered gases
  • Fully unmanned operations
  • Dedicated onsite maintenance team

Air Liquide supplies a range of on-site nitrogen generation technologies:

  • FLOXAL™ APSA™ cryogenic distillation technology
  • SPI membrane-based generators
Our FLOXAL™ Nitrogen Supply Systems can be adapted to your specific process requirements.

FLOXAL™ APSA™ cryogenic distillation technology

Our APSA™ product line offers a full range of on-site generators that provide optimally sized, customized solutions for your specific nitrogen requirements. It offers a low cost, reliable, flexible and efficient method to deliver consistent high purity gaseous nitrogen with 99.999% purity.

We will work with you to identify the optimal nitrogen supply solution for your facility by:

  • Determining the accurate nitrogen usage patterns
  • Evaluating opportunities to optimize nitrogen consumption
  • Considering growth potential and the impact on future nitrogen requirements
  • Identifying potential cost savings

Upon completion of the evaluation, our specialists will work with you to select a properly sized APSA supply system.

SPI membrane-based generators

Membrane based nitrogen generators are well suited for low flow nitrogen requirements typically required in laboratory applications. Laboratory uses of nitrogen include chromatographs, ICP and LCMS equipment. Feed air may be supplied by a compressor or existing instrument air network within the laboratory to feed the nitrogen generator.

Based on hollow fiber membrane owned technology, our nitrogen membrane generator, SPI, can produce at rates from 5 to 100 l/min, and purities of 95 to 99.95% at pressures reaching 11 barg.

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