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GT-Series centrifugal compressor for air and process gas applications

Atlas Copco GT-Series integrally geared centrifugal compressors feature innovative gearbox and impeller designs for air and process gas applications up to 205 bar.

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Integrally geared compressor

As the industry’s most efficient and compact gear design, integral gear technology delivers multiple-speed capability that allows each compression stage to run at the optimum speed, giving the best efficiency possible.

State-of-the-art gearbox design

Utilizing multi-stage compression with as many as eight stages on a single gearbox, our centrifugal GT-Series compressors can be configured to handle combined processes in one cycle.

Full API compliance

The GT Series is manufactured according to the rigorous standards of the American Petroleum Institute (API), namely API 617, Chapter 3 (gas); oil systems according to API 614.

Learn more about API

Technical description GT-Series centrifugal compressor

Atlas Copco Gas and Process has designed and commissioned thousands of centrifugal compressors worldwide. From air separation to oil and gas processes our compressors are built to boost efficiency and productivity. Designed in a compact package with minimum installation time, GT Series compressors handle flow volumes up to 480 000 m3/h and pressure of up to 205 bar. Our GT-Series compressor are configured up to eight stages, with required driver powers up to 37 MW. Driven by integral gear technology, GT Series centrifugal compressors increase your productivity with the industry’s most efficient and compact mechanical drive design. Add to that our highly-efficient and expertly tailored impellers, and you get an optimum solution for your specific application and process requirements. Boosting the compressors’ flexibility, options such as Variable Inlet Guide Vanes (IGVs) and Variable Diffuser Guide Vanes (DGVs) give greater process control and higher performance when conditions such discharge pressure, flow volume change. Central for many application scenarios, the GT Series centrifugal compressors are fully API compliant, built for a long service life, and backed by our global Aftermarket Services network.

Technical product specifications

Performance data

Effective inlet flow range

250 m³/h - 480,000 m³/h

Maximum discharge pressure

200 bar(a)

Maximum suction pressure

0.98 bar(a)

Power requirement HP

45,000 HP

Seal Types

labyrinth, carbon ring, dry-gas seal

Stages (min./max)

1 - 8

Suction temperature

-165 °C - 400 °C