ERM-EX enhanced safety mixed flow fans

The ERM-EX series are the only mixed flow in-line fans with an increased anti-explosion safety construction currently available on the market. They are ATEX Directive 2014/34/UE and EN14986/2017 certified.  The unique design allows the fan to operate in hazardous environments, such as: battery rooms, dyeing-plants, garages, etc. These fans can convey clean air, between -20°C and +50°C, with no speed regulation available.



  • Housing and impeller made out of sparkproof plastic material, resistant to impacts.
  • Single-phase electric motor, with IP54 grade ingress protection, class B insulation, and integrated thermal protection. Suitable for continuous operation at constant load.
  • Available in execution II 2G Ex cb h,  or  IIB+H2 T4 Gb (ERM-EX 18),  or   T3 Gb (ERM-EX 22 and 25), all  in compliance with the following international standards: EN 60079- 0:2012 + A11:2013, EN 60079-7:2015, EN 14986:2017, EN ISO 80079-36:2016, EN ISO 80079-37:2016.
  • Electrical connections are enclosed in an external terminal box, resistant to atmospheric agents, with IP54 protection.


The motor protection type must be selected according to the zones of danger, and classesof hazardous areas, in which the fan will be installed. The classes and zones are determined by the pertaining authorities.


  • Reduction cone
  • Protection guard
  • Mounting bracket