



Serie AF
Comet Fans AF Fan Series for Rail Applications
The Comet Fans AF medium-performance fan series is designed to meet the specific cooling and ventilation requirements of rail applications, ensuring excellent performance even under demanding operating conditions.
These fans are designed to offer an optimal balance between reliability, versatility, performance, quality and environmental impact, effectively meeting the stringent regulations of the rail sector and cost requirements.
AF fans feature characteristics that make it easy to meet the technical specifications required by rail applications, while also offering extensive customisation options to suit the specific requirements of each project. Available with 2 to 8-pole motors, they optimise performance to promote energy efficiency and minimise noise levels.
The AF series is manufactured with aluminium blades and offers the option of using polypropylene or fibreglass blades, ensuring maximum versatility and quality. It is one of Comet Fans’ best-selling solutions, used in over 60 countries, including those with extreme climatic, environmental and temperature conditions, and in particularly demanding rail applications.
The selection of AF fans for rail applications is carried out using the dedicated “Comet Fans” software, based on an extensive range of tests.
- High-efficiency, low-noise aerofoil-profile impellers, with pitch adjustable while stationary:
- Carbon steel
- Stainless steel AISI 304 / AISI 316
- Aluminium alloys
- Glass fibre-reinforced polyester (FRP)
- Polypropylene (PP)
- Polyamide (PA)
- Balancing in accordance with ISO 21940
- Fabrications with manual and robotic welding in accordance with EN 15085 Class 1:
- Carbon steel
- Stainless steel (AISI 316/AISI 304)
- Painting:
- Rail powder coating cycle certified to ISO 9227 & EN 45545
- Rail liquid painting cycle to ISO 9227 & EN 45545
- Hot-dip galvanising ISO 1461
- Anodising (aluminium DIN 8580)
- Pickling and passivation (stainless steel)
- Three-phase AC motors IP65, Class F or H, 50/60Hz, 2-16 poles, IEC 60349, with winding impregnation suitable for inverter-duty operation, EN 45545 certified and tested in accordance with IEC 61373
Accessories:
- Hydraulic motors
- Pressure, Temperature and Vibration Sensors
- Guards
- Connectors
- External junction boxes
- Silencers
- AV mounts
- Insulation
- Flexible joints
- Traction converters
- Inductors
- Traction motors
- Braking resistors
- Filtrazione e depolverazione
- Radiators
- Driver’s cab ventilation
- AF 320 ÷ 1000 Up to 150.000m3/h Up to 1500Pa 0.37 ÷ 55





