Industrial Fans vs. General Purpose Fans
Popular Centrifugal Models
Complete Centrifugal Fan Listing
Popular Axial Models
Complete Axial Fan Listing
Many fans and blowers fall under the classifications of Industrial Fans, Industrial Blowers, Industrial Exhausters, Exhaust Blowers, Industrial Cooling Fans, Industrial Exhaust Fans, Industrial Ventilation Fans, Industrial Centrifugal Fans, and Impeller Fans. They are all one of two basic types of industrial fans: Centrifugal or Axial.
The term "industrial" fan does not have a clear definition, but the term is intended to mean a fan of heavier construction to meet the demands of industrial operations. This may include the use of thicker material gauges, larger shafts, bearings with increased bearing life, high temperature features, corrosion resistant materials, etc. compared to commercial or HVAC fans.
Centrifugal fans or blowers use one of seven types of wheels that are enclosed in a scroll shaped housing. The air enters the fan wheel through the housing inlet, turns 90 degrees and is accelerated radially and exits the fan housing.
Axial fans use a propeller, having two or more blades, to move air in an axial direction through a cylindrical housing or formed orifice panel.
The term “fan” is used to describe either a fan or blower. To make the proper fan selection, you must consider the following conditions the fan will be subjected to:
An Axial fan can be used for all the above parameters, except if you will be using the fan to convey material (#6 above). Most Centrifugal fans can be used for any of the above parameters. However, if conveying material, a fan with a forward curve (squirrel cage) wheel is not suitable. The best centrifugal wheel type for conveying material is a radial bladed wheel. If the material you will be conveying is long and stringy, like paper trim or fibers, only an open radial bladed wheel should be used.
While a list of all the applications industrial fans and blowers are used for would be extremely long, the most common are:
Centrifugal Fans & Blowers:
Industrial Axial Fans:
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