Axial Flow Fans ZerAx AZN ATEX and AZN AZW EX

The ZerAx AZN ATEX are unidirectional axial flow fans that comply with the ATEX directive 2014/34/EU for equipment in explosive atmospheres and environments. The fans are suited for removal of hot smoke in connection with fires as well as transport of polluted air and of hazardous gases.

Product facts


  • For duct installation
  • Impeller diameters
    • AZN: 13 sizes from Ø250 to Ø1250 mm
    • AZW: 9 sizes from Ø500 to Ø1250 mm
  • Hub sizes
    • AZN: Ø160 or Ø350 mm
    • AZW: Ø350 mm
  • Fan casing thicknesses
    • AZN: 2 or 4 mm
    • AZW: 10 mm
  • Airflow rates from 0.1 to 42 m3/s
  • Pressures up to 3300 Pa
  • Efficiencies up to 92%
  • Adjustable blade angles
  • Fan casing of AluZink (light motors) or galvanised steel (heavy motors)
  • Impeller, guide vanes and motor mount of aluminium
  • Classifications
    • ATEX: Category 2G/D according to EU directive 2014/34/EU
    • EX: Non-sparking fans according to guideline IACS F29/2005
  • Accessories for mounting, connection, sound attenuation, safety and regulation
  • Optional: execution as standard temperature fan (AZN or AZW)
  • Product configuration with AirBox™


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