Axial Flow Fans ZerAx AZL

The ZerAx AZL are unidirectional axial flow fans for installation in air handling units (AHUs). The primary application is for new installations. Depending on the kind, layout and construction, the fans can be used for retrofitting existing installations.

Optionally the NovAx AZL fans are available as smoke fans. The ZerAx AZL smoke exhaust fans are for conventional operation and operation during fires in carparks, commercial and industrial buildings, tunnels and more. The design is tested and approved to meet requirements for smoke exhaust.

Product facts


  • For installation in AHUs and retrofitting
  • 13 sizes with impeller diameters from Ø250 to Ø1000 mm
  • Two hub sizes – Ø160 or Ø350 mm
  • Fan casing thicknesses of 2 or 3 mm
  • Airflow rates
    • 0.1 to 33 m3/s
    • 350 to 119.000 m3/h
  • Pressures up to 3300 Pa
  • Efficiencies up to 92%
  • Adjustable blade angles
  • Reversible for shorter periods
  • Integrated inlet cone
  • Fan casing materials
    for light motors: pre-coated sheet metal with AZ185 or ZM310 coating according to EN10346:2015
    for heavy motors: hot-dip galvanised steel
  • Corrosion categories according EN-ISO 12944-2:2017
    Standard: C3
    Optional: C4 or C5
  • Impeller, guide vanes and motor mount of aluminium
  • Accessories for mounting, connection, sound attenuation, safety and regulation
  • Product configuration with AirBox™
  • ZerAx fans are designed for optimal operation with variable speed-controlled frequency converters (VSDs)
  • Also available as type ZerAx® AZN for duct installation
  • Part of fan range available as Standard Range fans

Work areas


The curves cover fans with frequency drives and variable blade angles.



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NOVENCO Building & Industry
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