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Oil-Free Scroll Compressors for Fuel Cell
Scroll Technology for PEM Fuel Cell Air Supply

Orbital Series scroll compressors from Air Squared are used in a range of polymer electrolyte membrane (PEM) fuel cell applications, delivering an efficient positive displacement solution for cathode air supply.

In 1999, Air Squared demonstrated the first scroll compressor designed specifically for fuel cell. Twenty years later, our scroll compressors have been commercialized in class-1 through class-3 forklifts for material handling, hydrogen-powered city bus fleets, and other mobile applications ranging in output power from 3 kW up to 40 kW. Orbital Series scroll compressors provide fuel cell OEMs a field-tested, durable, efficient compressor solution that’s capable of high-pressure ratios than centrifugal compressors.

Products for PEM Fuel Cell Air Supply

100% Oil-Free
Maintain the purity of your system with oil-free scroll technology
Efficient Performance
Continuous compression process – no re-expansion or throttling losses
Quiet and Smooth Operation
Dynamically balanced, valve-less, and nearly pulsation-free
Reliable and Durable Solution
Long product life and simple field maintenance
Variable Speed
Ideal performance over a range of duty cycles – 100% continuous to intermittent

PEM Fuel Cell Air Supply
Product Lines

Orbital Series Scroll Technology Badge


Orbital Series™ scroll compressors provide low sound levels, efficient performance, and 100% oil-free operation in a reliable and durable design.

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Flow50 to 1,850 lpmv
Pressure0 to 7 barg
Volumetric EfficiencyUp to 97%

PEM Fuel Cell Air Supply
Technology Compared

Oil-free scroll technology uses a simple and elegant design with two primary components to efficiently generate pressure and deliver continuous flow.

  • Flow*
  • Pressure*
  • Noise
  • Size
  • Weight
  • Efficiency
  • Oil-Free
  • Oil-Free

* Table assumes generally representative products that accommodate relatively similar pressures and flow rates.

The information presented in this table is based on technical documentation and benchmark testing conducted at Air Squared from generally representative products of compared technologies. Air Squared makes no claim regarding specific models or brands of compressors or vacuum pumps.

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