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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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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


ZH oil-free air centrifugal compressors customer stories

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