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Airdistributor company offers one of the widest range of sizes, horsepower and performance levels of tube axial and inline duct fans on the market today. We offer direct drive and belt drive tube axial fans rated from 390 to 59,800 CFM with static pressure capability up to 1-1/4". One of the key advantages of tube axial duct fans is their ability to move air over long distances, making them ideal for applications where large volumes of air need to be circulated throughout a building or facility. They are also relatively easy to install and maintain, and can be used in a wide range of settings, including factories, warehouses, and commercial buildings.
Direct Drive Tube Axial Duct Fans are best used for exhausting or supplying relatively clean ambient temperature air. One of the key advantages of direct drive tube axial duct fans is their efficiency. Because they do not use a belt and pulley system to transfer power from the motor to the fan blades, they are able to operate at a higher level of efficiency than belt drive fans. This can result in lower energy costs over the lifetime of the fan. However, direct drive tube axial duct fans may not be the best option for all applications. They may not be as versatile as belt drive fans, as the fan speed cannot be easily adjusted. They may also be louder than some other types of fans, which can be a consideration in certain settings. They are available in smaller sizes for areas with reduced airflow needs and require practically no maintenance. They are used for typical commercial and industrial applications as general building ventilation, enclosed garages, paint spray booths, heat and smoke ventilation systems and other applications where air is moved through a duct system against moderate static pressure.
Belt Drive Tube Axial Duct Fans have the motor and drives located outside of the exhaust airstream and are especially suited to handle fumes, vapors, steam, dust, smoke and contaminated or heated air to 200ยบ F. They are similar in design to direct drive tube axial fans, but use a belt and pulley system to transfer power from the motor to the fan blades. They are available in larger, higher capacity sizes and offer ease in adjustment of fan performance by reducing the fan RPM with adjustable motor sheaves. Belt drive tube axial fans also have some drawbacks. The belt and pulley system can require more maintenance than direct drive systems, and the belts themselves may need to be replaced periodically and the bearings greased. In addition, belt drive systems may be less efficient than direct drive systems, as some energy is lost in the transfer of power from the motor to the fan blades.
Inline Centrifugal Duct Fans are designed for commercial and industrial ventilation applications. Inline centrifugal fans typically have backward curve impellers. The backward curved impellers design is capable of operating in high pressure systems with a relatively clean air stream. Inline centrifugal duct fans are often used to boost the air flow flow through long or complex duct runs and for continuous operation.
Special coatings, spark/explosion proof construction, and custom options such as access panels, inlet/outlet guards, companion rings and support legs are available on most models and brands of our tube axial and inline duct fans.
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