



CNX Series
Comet Fans CNX Fan Series for Power Generation and Energy Applications
Comet Fans CNX fans ensure reliable cooling and ventilation in power generation plants, even under demanding operating conditions. Designed with robust materials and aerodynamic optimisation, they offer energy efficiency, reduced noise levels and maximum reliability.
Available in direct-drive or belt-drive configurations, they are ideal for critical applications such as turbines, generators and transformers.
High-efficiency, low-noise impellers
- Carbon steel
- Stainless steel AISI 304 / AISI 316
Balancing in accordance with ISO 21940
Fabrications with manual and robotic welding in accordance with ASME Section IX
- Carbon steel
- Stainless steel (AISI 316/AISI 304)
Painting
- Specific cycle for offshore environments ISO 12944 (Environment C3 to CX)
- Hot-dip galvanising ISO 1461
- Anodising (aluminium DIN 8580)
- Pickling and passivation (stainless steel)
Three-phase AC and DC motors
- IP56, IP66 or higher protection classes to withstand dust, water and salt
- Compliant with IEC and NEMA standards to optimise energy consumption and reduce operating costs.
- Available in certified versions for classified areas Zone 1 and Zone 2 (gas) and Zone 21 and Zone 22 (dust).
- TEFC (Totally Enclosed Fan Cooled) cooling options or increased-safety ATEX to ensure safe operation.
Standards and Certifications:
IEC 60034 – Standard for rotating electrical machines
NEMA MG-1 – Specifications for industrial motors
API 541 / API 547 – Requirements for motors in Oil & Gas plants
ATEX 2014/34/EU – Certification for explosive atmospheres
IECEx – International certification for hazardous environments
Accessories:
- Pressure, Temperature and Vibration Sensors
- Guards
- Connectors
- External junction boxes
- Certified cables
- Cable glands
- Silencers
- AV mounts
- Insulation
- Flexible joints
Certifications
- ATEX 2014/34/EU – Safety in explosive atmospheres
- IECEx – Certification for hazardous environments
- Cooling of electrical machinery (motors, generators, transformers).
- Ventilation of switchgear rooms and technical spaces.
- Air exchange management in engine rooms and industrial environments with a high density of equipment.
- Cooling of traction converters and auxiliaries (energy conversion and control systems).
- Support for ventilation of power generation plants (thermoelectric, hydroelectric, wind and photovoltaic).
- Cooling in transformer stations and electrical distribution substations.
Diameters: from 400mm to 2155mm
Power: from 0.55kW to 200kW
Pressure: up to 4000Pa
Airflow: up to 350.000m3/h





