Aerotech Fans
Loading industrial-grade components...
AeroTech's Induced Draft Fan (ID Fan) is installed downstream of the combustion chamber to draw hot flue gases through the system. Designed for continuous operation at temperatures up to 400°C with cooling disc arrangement, these fans feature wear-resistant Ni-Hard impellers for dust-laden gas handling in power plants, cement kilns, and steel mills. The high-temperature alloy construction ensures long-term reliability in extreme conditions.
Water-cooled bearings provide longevity in extreme heat conditions. VFD compatible with online vibration monitoring capability for predictive maintenance and energy-efficient speed control. Delivers up to 3,00,000 CMH at up to 1500 mm WG static pressure.
Impeller types include backward curved and radial tip configurations. Available in MS, Alloy Steel, and Ni-Hard materials. Coupling and belt drive arrangements available.
Established in 1997, AEPPL has over 25 years of expertise in ID fan design and manufacture, serving power plants, cement kilns, steel mills, chemical processing plants, and petrochemical facilities. ISO 9001:2015 certified with rigorous dynamic balancing to international standards and comprehensive in-house testing before dispatch.
Max Airflow
Up to 3,00,000 CMH
Max Pressure
Up to 1500 mm WG
Max Temp
Up to 400°C (with cooling disc)
Impeller Type
Backward Curved / Radial Tip
High Temperature Operation
Continuous operation at temperatures up to 400°C with cooling disc arrangement
Wear-Resistant Impeller
Ni-Hard impeller handles dust-laden flue gases without erosion
Water-Cooled Bearings
Ensures bearing longevity in extreme heat conditions
Online Vibration Monitoring
VFD compatible with real-time vibration monitoring for predictive maintenance
Power & Energy
Heavy Industry
Chemical & Process
Installed downstream of combustion chamber to draw hot flue gases through the system.
High-temperature alloy construction for continuous operation up to 400°C.
Wear-resistant Ni-Hard impeller for dust-laden gas handling.
Water-cooled bearings for extreme heat conditions.
Coupling / belt drive arrangement.
VFD compatible with online vibration monitoring capability.
| Model | Air Volume (CFM) | Static Pressure (in.wg) | RPM (Max) | Motor (HP) |
|---|---|---|---|---|
| ID-800 | 45,000 | 600 | 1,800 | 75 |
| ID-1000 | 85,000 | 950 | 1,450 | 200 |
| ID-1250 | 150,000 | 1500 | 1,200 | 400 |
Standard Induced Draft (ID) fans are designed to handle continuous flue gas temperatures up to 250°C. For extreme high-temperature applications up to 400°C, the blower must be equipped with water-cooled journal bearings and a shaft cooling wheel to protect the drive arrangement.
A fluid coupling is a hydrodynamic transmission device used on massive ID fans to provide a soft start. It utilizes hydraulic fluid shear to smoothly accelerate the heavy impeller, eliminating the extreme mechanical shock and inrush current associated with Direct-On-Line (DOL) starting.
For heavy-duty ID fans operating in high-temperature environments, bearings should typically be greased every 2,000 to 4,000 operating hours using high-temperature lithium complex grease, though automated continuous lubrication systems are highly recommended to prevent premature failure.
If a 3-phase motor is wired incorrectly and an ID fan runs backwards, a backward-curved or radial impeller will still move air in the correct direction due to centrifugal force, but it will operate at a fraction of its design CFM and efficiency, causing severe system underperformance.
Rubber (neoprene) isolation pads are sufficient for high-RPM, low-mass fans. However, heavy-duty low-RPM blowers (like Induced Draft fans) require restrained spring isolators. Springs provide the high static deflection required to absorb low-frequency harmonic vibrations that rubber pads cannot dampen.
Explore the severe-duty engineering of ID blowers handling abrasive fly ash, corrosive sulfur, and extreme heat in power generation.
An engineering breakdown of using hydrodynamic fluid couplings to manage extreme starting torques in heavy induced draft blowers.
