Aerotech Fans
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AeroTech's Tube Axial Fan features a cylindrical casing designed for high airflow in ducted systems, available in both V-belt drive and direct drive variants. The V-belt drive arrangement keeps the motor isolated from the airstream, making it ideal for high-temperature applications up to 85°C continuous, corrosive environments, contaminated air handling, and process exhaust in paint booths and welding areas. The fan is constructed with a heavy-gauge rolled galvanized steel housing with continuous welded seam and epoxy coating.
Aluminium/PP-GL impellers are selected for maximum airflow and low sound, with adjustable pitch angles for exact performance matching. Available in sizes 315mm to 2000mm diameter with 4, 6, 7, 8, or 11 blade configurations, delivering up to 1,30,000 CMH at up to 450 Pa static pressure. The belt drive system provides variable speed control via pulley adjustment for precise airflow matching.
Standard motors are 415V ±10%, 50Hz, IE2/IE3 TEFC conforming to IS:325/1996 & IS 12615:2011. Suitable for factories, warehouses, lift wells, stair wells, and commercial buildings.
Diameter
Sizes 300 mm to 1600 mm
Max Airflow
Up to 1,30,000 CMH
Impeller Type
4/6/7/8/11 blade
Drive Type
Belt / Direct
Variable Speed Control
Adjustable via pulley system for precise airflow matching
Motor Isolation
Motor kept out of airstream for protection in high-temp or corrosive environments
Ducted Systems
Cylindrical casing ideal for inline duct installation in factories and HVAC
Wide Size Range
315mm to 2000mm diameter covering 2,000 to 25,000 CFM
Industrial
Building Services
Process
Cylindrical casing with high airflow capacity suitable for ducted systems.
V-Belt drive provides variable speed control via pulley adjustment.
Motor isolated from airstream — ideal for contaminated or high-temperature air.
Aluminium/PP-GL impellers for maximum airflow and low sound. MS & SS on request.
Motors: 415V ±10%, 50Hz, IE2/IE3 TEFC conforming to IS:325/1996 & IS 12615:2011.
Gravity Louver
Self-acting damper that opens on fan operation and closes on shutdown. Prevents backdraft and weather ingress.
Rain Cowl with Bird Mesh
Wire guard at inlet/outlet preventing birds and animals from entering ductwork.
Sound Attenuator
Duct silencer reducing noise transmission from fan into occupied spaces.
| Model | Air Volume (CFM) | Static Pressure (in.wg) | RPM (Max) | Motor (HP) |
|---|---|---|---|---|
| TAF-500 | 16,000 | 140 | 1,440 | 5 |
| TAF-900 | 48,000 | 250 | 960 | 15 |
| TAF-1400 | 100,000 | 380 | 720 | 40 |
Marine engine room tube axial fans require a minimum IP56 or IP66 motor rating to survive continuous salt-spray and moisture ingress. The motors must be Totally Enclosed (TEFC or TENV) and the casings should be hot-dip galvanized or marine-grade aluminum.
Blade Pass Frequency (BPF) is calculated by multiplying the fan's RPM by the number of impeller blades, then dividing by 60. Identifying the BPF is critical for acoustic engineers to design perfectly tuned cylindrical silencers that attenuate the exact tonal noise generated by the fan.
While 304 stainless steel resists general oxidation, it is highly susceptible to chloride pitting in salt-spray environments. 316L Stainless Steel contains molybdenum, which drastically increases its resistance to chloride corrosion, making it mandatory for marine and offshore ventilation systems.
