Making quality industrial gases requires quality air

High efficiency centrifugal air compressors. Engineered using innovative in-house technology, the ZH centrifugal air compressor is the result of years of experience in the design of oil-free air compressors
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

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

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

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

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
Downloads
Industries

ZH oil-free air centrifugal compressors customer stories

Swiss EMS-Chemie improves energy and water usage

Swiss chemical company EMS-Chemie saves 10% in electricity consumption and 75% in water usage with our ZH 15000 turbo compressor
Henan Wanji Aluminum Co in China goes oil-free

Major Chinese aluminum plant choses energy-efficient and oil-free air compressors to reduce production costs and improve end-product quality
Solvay in Portugal prevents 280 hours of downtime

How we completed a critical ZH compressor overhaul successfully in 9 days instead of 21 at the Solvay factory in Portugal

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Services

Complete compressor care with our Total Responsibility Plan

We take care of all your compressor maintenance, upgrades, repairs and even breakdowns for an all-inclusive price
Optimize your air flow with central controllers

Stabilize your system and and lower your energy costs with a tighter pressure band.
Monitor your compressed air installation with SMARTLINK

Knowing the status of your compressed air equipment at all times is the surest way to achieve optimal efficiency and maximum availability
Audit your compressed air installation with AIRScan

AIRScan offers a reliable analysis and well-founded recommendations to improve your energy efficiency.