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Centrifugal oil-free air compressors ZH & ZH+

Industrial oil-free air compressor 2 to 13 bar

Contact our expert Read more about the new ZH 1000-3150

We care about your air quality

ZH and ZH+ oil-free air compressors provide clean air with ISO 8573-1 CLASS 0 (2010) certification. No external instrument air required for “Class 0” certification due to unique seal design

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Reduce your energy costs

Unique impellers provide the optimum combination of a high flow with low energy consumption

Maximizing energy efficiency

Combine the ZH+ centrifugal compressor advanced turbo technology with the regulating capabilities of the ZR VSD screw compressor to eliminate costly blow-off

Protect your production

Elektronikon® control ensures maximum operating efficiency. It protects your production with advanced warnings for service and operating parameters

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smart AIR solutions

Designed to work together with our dryers and ES controller to optimize your overall system performance

Keeping your production up and running

Built using strict codes of quality control. Designed and manufactured according to ISO 22000, ISO 9001, ISO 14001 and OHSAS 18001. Easy maintenance for reduced service cost

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Oil free centrifugal compressors designed for efficiency

The components of the oil-free centrifugal compressors have been carefully designed in house. This reduces losses and pressure drop to a minimum, resulting in the highest compressor package efficiency. Our oil less compressors are also class 0 certified, delivering the highest air purity at the lowest total cost of ownership. By using our state of the art centrifugal compressor technologies you're guaranteed to a reliable and efficient compressor.


Recover your energy

You can turn your centrifugal air compressors into an energy source. By adding an Energy Recovery unit you will be one step closer to achieving your goals in becoming carbon neutral. Up to 94% of the electrical energy is converted into compression heat.

Without energy recovery, this heat is lost in the atmosphere via the cooling system and radiation. Our energy recovery unit uses compression heat to heat up water. This warm water can be used for sanitary purposes, space heating, or process applications.


Save energy with smart technology

Our compressor monitoring system saves energy by using advanced control algorithms. The dual pressure band can lower the pressure in your system during e.g. weekends and night shifts. Our Elektronikon® controller is the brain of the compressor collecting data for optimal energy efficiency.


Monitor your system

It's important to know the status of your compressed air installation. With the Elektronikon® you can easily connect your controller with your mobile devices such as tablets and smartphones. Our SMARTLINK system allows mobile monitoring over a secure network. Monitoring your system not only saves you money but also avoids breakdowns and production losses.


ZH and ZH+ centrifugal oil-free air compressors features

ZH and ZH + centrifugal oil-free air compressors include
  • core compressor 
  • main drive motor energy saving inlet guide vanes 
  • easily accessible gearbox 
  • AGMA Class A4 gears 
  • high efficiency stainless steel intercoolers and after-coolers 
  • controller for maximum reliability

ZH+ centrifugal oil-free air compressor as complete packaged solution

The centrifugal oil-free air compressor ZH+ comes as a complete packaged solution with

  •  efficient inlet silencer and filter  
  • integrated blow-off valve and silencer  
  • mounted cooling water manifold  
  • sound attenuating canopy

Technical specifications

Capacity FAD l/s

1,272 l/s - 9,790 l/s

Capacity FAD

4,579 m³/h - 35,244 m³/h

Working pressure

2.5 bar(e) - 13 bar(e)

Installed motor power

355 kW - 3,150 kW

Capacity FAD m³/min

76.32 m³/min - 587.4 m³/min

Download our centrifugal oil-free air compressor brochure

Centrifugal oil-free air compressors applications in industries

Centrifugal oil-free air compressors are mainly used in applications for

  • the food and beverage industry 
  • the chemical and petrochemical industry
  • the pulp and paper industry
  • the textile industry
  • electric car batteries production

ZH oil-free air centrifugal compressors customer stories

Total customer care

Service technician standing in front of compressors.

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Centrifugal oil-free air compressors ZH & ZH+

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