Dynair QCM-ATX Plate mounted axial fans

The QCM-ATX fans are the ATEX certified versions of the QCM series. Compliant with ATEX directive 2014/34/EU, these fans can convey clean air between -20°C and +40°C. Suitable for installation in zone 1/21, areas which require high security against explosions and fire due to the presence of flammable gases (II2G) or dust (II2D).




  • Mounting frame made from drawn steel sheet, with a wide radius inlet cone.
  • Impeller with aerofoil blades made from fiberglass-reinforced plastic, featuring a die-cast aluminium hub, all balanced according to ISO 1940 standards.
  • Impeller coupled directly to the motor, with airflow from motor to impeller.
  • Inlet protection guard made from steel rods, covered in a weatherproof coating, all according to UNI 12499 regulations.
  • Single-, or three-phase asynchronous motors, with IP55 grade protection and class F insulation, CE marked, compliant with the following standards: IEC 60034, IEC 60072, EMC 2004/108/Ce, LVD 2006/95/CE.  ATEX certification for explosive environments cat.G group II, thermal class T4, flame protection EX D. Suitable for continuous S1 service at constant load.


  • Gravity shutter (S).
  • Spacer manufactured from steel sheet, painted in epoxy (D).
  • Impeller side protection guard, manufactured according to UNI ISO 12499 regulations, and protected against atmospheric agents (R).
  • ATEX service switch.

Available upon request:

  • Airflow from impeller to motor.
  • Versions for different temperature ranges.
  • Motors suited for different atmospheres.
  • Motors suitable for speed regulation.
  • Double polarity motors.