Aerotech Fans
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AeroTech's High Volume Limit Load Blower in SISW (Single Inlet Single Width) configuration is a direct-driven centrifugal blower where the heavy-duty impeller is mounted directly on the motor shaft, eliminating belts, pulleys, or couplings entirely. This design provides compact installation, low maintenance, and high mechanical efficiency. The blower housing is fabricated from high-quality steel with precision-welded construction, and the rigid, vibration-free design ensures stable long-term operation.
Impellers are available in backward-curved, forward-curved, or radial blade types as per application requirements, and all impellers are dynamically balanced for smooth, reliable performance. Delivers up to 2,50,000 CMH airflow at up to 1200 mm w. g.
static pressure. Handles temperatures up to 380°C with cooling disc arrangement. Available in MS, SS, Aluminium, and FRP with special coatings for corrosive or high-temperature environments.
Established in 1997, AEPPL has over 25 years of expertise serving power, petrochemicals, fertilizers, cement, mining, and automotive sectors. ISO 9001:2015 certified with rigorous dynamic balancing to international standards.
Max Airflow
Up to 2,50,000 CMH
Max Pressure
Up to 1200 mm w.g.
Temp Range
Up to 380 C with cooling disc
Material
MS / SS / Aluminium / FRP
Direct Power Transmission
No belts, no slippage — higher efficiency and reliability
Compact Design
Requires less floor space and provides easy installation
Low Maintenance
No belt adjustments or replacements; fewer wear parts
High Efficiency
Dynamically balanced impellers and precision-engineered housings ensure optimal airflow with minimal vibration
HVAC & Ventilation
Industrial Process
Power & Heavy Industry
Heavy-duty impeller mounted directly on motor shaft — no belts, pulleys, or couplings.
Blower housing fabricated from high-quality steel with precision-welded construction.
Impellers available in backward-curved, forward-curved, or radial blade types.
All impellers dynamically balanced for smooth, reliable performance.
Available in MS, SS, Aluminium, FRP with special coatings for corrosive/high-temp environments.
Rigid and vibration-free design ensures stable, long-term operation.
| Model | Air Volume (CFM) | Static Pressure (in.wg) | RPM (Max) | Motor (HP) |
|---|---|---|---|---|
| SISW-710 | 35,000 | 650 | 1,800 | 60 |
| SISW-900 | 75,000 | 900 | 1,600 | 125 |
| SISW-1120 | 120,000 | 1200 | 1,450 | 250 |
Standard carbon steel impellers begin to lose their structural yield strength at approximately 300°C (572°F). For continuous operation above this threshold, the impeller must be fabricated from specialized high-temperature alloys like Corten steel or Inconel to prevent high-RPM centrifugal creep and catastrophic failure.
For blowers utilizing a flexible coupling (DriveArrangement.COUPLING), precision laser alignment between the motor shaft and the fan shaft is mandatory during commissioning. Even a misalignment of a few thousandths of an inch induces severe radial and axial loads, destroying the bearings and coupling elastomer within weeks.
To ensure proper atmospheric dispersion and prevent hazardous plumes from re-entering the building's fresh air intakes, industrial exhaust stacks must maintain a minimum discharge velocity of 2,500 to 3,000 FPM. This high momentum shoots the plume high above the aerodynamic wake of the roofline.
A heavy-duty centrifugal blower must be mechanically decoupled from the rigid ductwork using flexible fire-rated canvas or neoprene connections. Without this isolation, the inherent harmonic vibration of the blower will transmit directly into the sheet metal, turning the entire duct network into a massive acoustic amplifier.
A Double Inlet Double Width (DIDW) blower should be chosen when you require massive volumetric airflow (CFM) in a clean-air environment with restricted installation space, such as an HVAC Air Handling Unit. For high-pressure or material handling, an SISW blower is required.
