The fans of the DUCT-M-HT line have been designed to be employed in all the plants where it is prescribed the necessity to guarantee the smoke extraction in environments as car parks, commercial centers, hospitals, theatres, museums, buildings etc.

DUCT-M-HT fans have been designed and manufactured according to the European Directive EN 12101-3 obtaining the certification from an authorized autonomous certification body. This line is suitable to work in continuous at the temperature of 40°C and in case of emergency (fire) at the temperature of:

• 200°C for 120 minutes (F200)
  
• 300°C for 60 minutes (F300) - per 120 minuti (F300/120)
  
• 400°C for 120 minutes (F400)
  

This concept of double operation is exactly translated by the term “dual purpose” introduced in the specific by the EN 12101-3 norm.

This line consists of 15 sizes with impeller diameter from 310 up to 1600 mm.

DUCT-M-HT line is characterized by the use of special components (motor, impeller and casing), different from the standard production, suitable to guarantee the heavy and essential service for which they are designed: to withstand to the high temperatures to guarantee the possibility of salvation for the people involved in a fire.