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Oil-free water-injected screw compressors

The AQ water-injected screw compressors meet your need for pure oil-free air. They deliver best in class energy efficiency for applications that demand reliability and purity.

100% safe, high quality air

Enjoy lower operating and maintenance costs with an ISO-8573-1 CLASS 0 (2010) certified compressor. The AQ eliminates the risk of contamination with 100% oil-free air for applications that require the highest levels of purity like

  • medical
  • pharmaceutical production
  • food production
  • critical electronics

The water-injected screw compressors, water-cooled or air-cooled, meet your needs for quality air with high-pressure capability and energy efficiency.

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Technical specifications

AQ 15 - 55 VSD

Installed Moter Power : 15 - 55 kW , 20 - 75 hp

Inlet Pressure : Atmospheric

Working Pressure : 4 - 13 bar (e)

Capacity FAD : 22 - 155 l/s

Applications : Pharmaceutical, Food and Beverage, Electronics, Hospitals, Automotive.

Adaptable to your specifications

The Elektronikon® controller can be adapted to your specific needs with extra sensors, digital contacts, fieldbus, Internet and SMS communication functions. Optimize the operation of your complete compressor room by using the ES multiple compressor controller.

Core Feature


100% clean air , ISO 8573-1 CLASS 0 (2010). 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 reputation


SF scroll compressors are equipped with IE3 premium efficiency motors as standard. Unloaded power consumption is eliminated thanks to the simple start/stop control.


With sound levels as low as 53 dB(A), the SF and SF+ are the ideal choice for noise-sensitive working environments.


Moving parts have been reduced for a long operating life with minimal service interventions.