Integrally geared compressor with radial inflow turbine

Our Compander (TM) boasts a compact, highly efficient design. Without redundant components such as base frame, gear and oil system. CAPEX-friendly solution

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A close-up look at our Compander (TM)

Highly efficient and reliable Atlas Copco Compander (TM)

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Vast compressor and expander experience

We combine long-standing experience with integrally-geared compressors and radial inflow expanders into one productive solution

Meeting API standards

Our companders meet all critical industry standards, including API 617

See how we meet API compliance

Top energy efficiency

Gain maximum efficiency from energy recovery on the turboexpander side of the machine. Use this energy for driving the compressor side

Technical description Compander (TM)

Our Compander (TM) handles all gases and delivers volume flows of up to 480 000 m3/h over 8 stages, operating at a rated power of up to 30 MW. It’s a solution that meets key needs in many of today’s industrial processes, where energy efficiency is the name of the game. Utilizing the full energy recovery potential for combined compression and expansion processes, the compander merges our long standing know-how in integral gear technology and turbo expanders into one solution. It’s unique in that compressor and expander stages are housed in one gear box. You can use the energy recovered on the turboexpander side to power the compressor’s energy cycle, significantly reducing the compressor’s energy consumption (rotor drive).

Our nitrogen and methane companders can be used in different LNG and chemical applications, respectively:

  • nitric acid
  • HPPO
  • caprolactam
  • phenol
  • boil off gas reliquefaction
  • nitrous oxide

  • Centrifugal Compressor Brochure 3.5 MB, PDF
  • Driving turboexpander technology brochure 971.9 kB, PDF
  • Adding value through Aftermarket services brochure 649.3 kB, PDF

Technical product specifications

Performance data

Maximum suction pressure

0 bar(a)

Maximum discharge pressure

0 bar(a)

Suction temperature

0 °C - 0 °C

Effective inlet flow range

0 m³/h - 480,000 m³/h

Stages (min./max)

1 - 8

Seal Types

dry-gas

Power requirement HP

40,230 HP