AIR COMPRESSORS / CENTRIFUGAL COMPRESSORS

Centrifugal compressors for high flow and reliable 24/7 operation

Ingersoll Rand centrifugal compressors are designed for industries where energy efficiency, stable pressure, and oil-free air quality are essential. They are ideal for large production facilities and demanding central compressed air systems.

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TECHNOLOGY

Dynamic compression

High-speed impeller and diffuser for efficient velocity-to-pressure conversion.

AIR QUALITY

100% oil-free

ISO Class 0 air for processes where purity is mission-critical.

APPLICATION

Large systems

Ideal for central compressor stations with high volumetric flow rates.

SUPPORT

KOMP-R service

From selection and sizing to commissioning and long-term optimization.

How a centrifugal compressor is engineered

Overview of key assemblies that influence efficiency, service accessibility, and reliable long-term operation of centrifugal compressors.

Horizontally split gearbox of a centrifugal compressor
#01

01 / Service accessibility

Horizontally split gearbox

TURBO-AIR NX centrifugal compressors use a horizontally split gearbox design that simplifies service access and reduces maintenance time. This approach minimizes downtime and enables easier inspection of critical assemblies.

  • Horizontally split design for easier service access
  • Faster inspections and maintenance interventions
  • Less downtime during routine servicing
Inlet guide vanes of a centrifugal compressor
#02

02 / Operating efficiency

Inlet guide vanes (IGV)

Inlet guide vanes help optimize compressor operation and improve specific power performance. Combined with aerodynamic compression-stage design, they support high system efficiency.

  • IGV for lower energy consumption
  • Contribution to better specific power
  • Optimized operation across varying conditions
Cooling system of a centrifugal compressor
#03

03 / Cooling

Cooling system with simplified maintenance

The cooling system is designed in line with ASME requirements, and cooler bundles allow in-place cleaning. This supports efficient heat rejection, easier maintenance, and higher compressor availability.

  • Cooling system designed to ASME standards
  • Cooler bundles suitable for in-place cleaning
  • Simpler maintenance and fewer system outages
Lubrication and bearing assembly of a centrifugal compressor
#04

04 / Reliability and maintenance

Lubrication and bearing assembly

The compressor design focuses on high mechanical reliability and low maintenance costs, with long service life of bearings and other key components.

  • Bearings engineered for long service life
  • Easy-to-replace oil filter elements
  • Lower maintenance costs and higher availability

Explore the centrifugal compressor in 3D

The interactive view gives a clearer insight into the design of the Ingersoll Rand TURBO-AIR NX centrifugal compressor. You can rotate, zoom, and inspect the model from different angles.

Interactive rotation

Inspect the compressor from all sides.

Detail zoom

Easier inspection of key system components.

Better presentation

Great for a realistic visual understanding of the unit.

NX 5000 3D model
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For best experience, use a mouse or trackpad to rotate and zoom the model.

TURBO-AIR NX centrifugal compressors – models for large systems

Select the right model based on required flow, pressure, and continuous-duty operating profile:

Ingersoll Rand MSG TURBO-AIR NX 1500 centrifugal compressor (ISO Class 0)

NX 1500

110–260 kW | 20–50 m³/min

The entry model in the NX range for medium-sized compressed air systems where high efficiency and 100% oil-free air (ISO Class 0) are essential.

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Ingersoll Rand MSG TURBO-AIR NX 2500 centrifugal compressor (ISO Class 0)

NX 2500

335–670 kW | 65–137 m³/min

Suitable for larger production lines and central systems where higher volumetric flow and stable pressure are required.

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Ingersoll Rand MSG TURBO-AIR NX 5000 centrifugal compressor (ISO Class 0)

NX 5000

600–1,050 kW | 125–210 m³/min

Designed for central compressor stations with multiple users and continuous 24/7 operation.

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Ingersoll Rand MSG TURBO-AIR NX 8000 centrifugal compressor (ISO Class 0)

NX 8000

750–2,700 kW | 135–310 m³/min

Industrial configuration for very high flow rates and a wide pressure range in demanding process applications.

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Ingersoll Rand MSG TURBO-AIR NX 12000 centrifugal compressor (ISO Class 0)

NX 12000

1,100–4,200 kW | 210–525 m³/min

The most powerful NX model for large industrial complexes and critical applications with extreme flow demand.

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