Oil-free screw

ZS: Oil-free positive displacement screw blowers, 18-355 kW, 10-215 hp

Atlas Copco’s ZS blowers provide a continuous and reliable supply of 100% oil-free air – certified according to ISO 8573-1 CLASS 0 (2010). Integrating the proven benefits of screw technology, the ZS range will cut your energy costs by an average of 30% when compared to lobe technology.


Customer benefits

  • Reliability – Incorporating our proven screw technology and long-standing internal engineering practices, and designed, manufactured and tested in accordance with ISO 9001, the ZS gives you 24/7 reliability over its long lifetime.
  • High efficiency – Integrating the proven benefits of screw technology, the ZS range reduces energy costs by an average of 30% when compared to lobe technology.
  • Certified 100% oil-free – ZS blowers provide you with 100% pure, clean air that complies with ISO 8573-1 CLASS 0 (2010) certification. CLASS 0 means zero risk of contamination; zero risk of damaged or unsafe products; zero risk of losses from operational downtime; and zero risk of damaging your company’s hard-won professional reputation. In 2006 Atlas Copco was the first manufacturer in the world to receive such certification on an oil-free compressor.
  • Easy installation – Built for smooth integration in your existing compressed air network, ZS blowers are up and running in no time.

Technical data

  • Units: Imperial
Technical Specifications
Capacity FAD (l/s) 75 - 1292 l/s
Capacity FAD (m³/h, cfm) 48 - 2731 cfm
Working pressure 4 - 17.4 psig
Installed motor power 25 - 200 HP
  • Units: Metric
Technical Specifications
Capacity FAD (l/s) 75 - 1292 l/s
Capacity FAD (m³/h, cfm) 271 - 4651 m³/h
Working pressure 0.3 - 1.2 bar(e)
Installed motor power 18.5 - 160 kW

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