Smoke Fans ZerAx AZL

The ZerAx® HT AZL smoke exhaust fans with integrated inlet cones are for conventional ventilation and operation during fires in car parks, tunnels and all types of buildings. The design is tested and approved to meet requirements for smoke exhaust in combination with frequency converters.

Product facts


  • Integrated inlet cone
  • Outlet duct installation
  • 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 3100 Pa
  • Efficiencies up to 89%
  • Adjustable blade angles
  • F300 certified according EN 12101 part 3 in combination with variable speed drive (VSD)
  • Air over motor (cooling)
  • 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 and internal guide vanes of aluminium
  • Accessories for mounting, connection, sound attenuation, safety and regulation
  • Also available as smoke fan type ZerAx® AZN HT for duct installation
  • Also available in standard temperature
  • Product configuration with AirBox™

Work areas


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



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NOVENCO Building & Industry
Oeverup Erhvervsvej 50-52
4700 Naestved

Tel. +45 70 77 88 99
DK 16 92 66 47