Roof-CM Atex line has been designed for installations where it is necessary to guarantee the correct air extraction avoiding risks of explosion due to flammable gas. For instance, battery rooms, chemical premises, laboratories etc.. For direct or ducted installation on the roof.

This line consists of 8 sizes with impeller diameter from 310 to 800 mm, and 4, 6, 8 pole motors.

Roof-CM Atex line is characterized by particular materials and design to avoid as much as possible the risk of explosion, according to Atex directive Atex 2014/34/UE. Different constructions are foreseen for fans in category 2G, 2D or 3G, 3D.

• High efficiency backward curved blade impeller in galvanized steel sheet; balancing according to UNI ISO 21940-11
  
• Installation base with inlet cone in metal sheet protected against the atmospheric agents
  
• Outer protection guard in steel rod protected against the atmospheric agents
  
• Motor cap in steel sheet protected against the atmospheric agents
  
• Asynchronous three-phase or mono-phase electric motor, outside the airflow, protection IP 55, insulation class F, S1 service, construction according to IEC/EEC/UNEL MEC. Explosion proof Atex Approved for Explosive Atmosphere G or D group II
  
• Arrangement 5; impeller directly flanged on motor shaft
  

Accessories: Counter base to be walled up (CB) - Corrugated bases (SBm - SBl) - Inlet guard (FPG) (Mandatory for use in free air)- Inlet silencer (SIL-RO).