There are just two types of industrial fans: axial fans and centrifugal fans.

The other many fans and blowers, as well as intake blowers, exhaust blowers, industrial exhaust vents, HVAC ventilators and blowers, and numerous others, are terms to define centrifugal fan or axial fan.

It can be quite confusing, but in general, the two main types of industrial fans are centrifugal fans and axial fans.

Here is a quick rundown of each type:

What is an Axial Fan?

An axial fan is a type of fan that uses the blades to draw air into the center of the wheel and expel it out the sides.

The blades are set at a right angle to the shaft that the wheel turns on.

This type of fan is used in a wide range of applications, from cooling electronic equipment to moving air in HVAC systems.

Types of Axial Flow Fans:

Ceiling fans, table fans, compact fans, computer cooling fans, and automobile cooling fans are all axial fans, depending on the brand

Axial Fan Advantages And Disadvantages

Axial Fan Advantages

  • Compact Convenient installation Useful as free-standing units or as part of ductwork.
  • Larger models can be used for industrial purposes.

Axial Fan Disadvantages

  • Not as efficient as centrifugal fans at moving large volumes of air.
  • Not as good at moving air against resistance.
  • Can be noisy.

The following are some examples of applications in which axial fans may be utilized:

  • Air conditioners in systems and equipment are used to help keep it cool.
  • Transformers, generators, and industrial equipment may all overheat if they are not cooled properly.
  • In warehouses, factories, foundries, laundries, garages, equipment rooms, and engines, ventilation is important.

What is a Centrifugal Fan?

A centrifugal fan is a type of fan that uses the blades to draw air into the center of the wheel and expel it out the sides.

The blades are set at a right angle to the shaft that the wheel turns on.

This type of fan is used in a wide range of applications, from cooling electronic equipment to moving air in HVAC systems.

Types of Centrifugal Fans:

  • Forward curved centrifugal fans.
  • Backward curved centrifugal fans.
  • Crossflow / tangential fans.
  • Radial-bladed fans.

Centrifugal Fan Advantages And Disadvantages

Advantages of centrifugal fans

  • Excellent for moving large volumes of air.
  • Can move air against resistance.
  • Good for industrial applications.
  • Very efficient.

Disadvantages of centrifugal fans

  • Not as compact as axial fans.
  • Installation can be more difficult.
  • Can be noisy.

Axial Fan Vs Centrifugal Fan

So which one is the best type of industrial fan?

The answer, as with most things, is it depends.

Each type of fan has its own advantages and disadvantages that make it better suited for certain applications.

FAQs

What is an axial fan used for?

An axial-flow fan is more suited to higher flow rates with a lesser pressure increase, whereas a centrifugal fan is better for smaller quantities of air at a faster speed. They are used to deliver fresh air, remove air from return air trenches, feed rotary filters, and exhaust air from the house.

What part of an Axial Fan moves the air?

The blades are set at a right angle to the shaft that the wheel turns on, which moves the air.

Is an Axial fan belt driven?

No, an axial fan is not belt-driven. It is driven by an electrical motor.

What part of the ductwork is an axial fan located in?

The axial fan is located in the center of the ductwork.

How much power does an axial fan use?

The power consumption of an axial fan depends on the size and type of axial fan. Generally, however, they are less power-hungry than centrifugal fans.

Do the fan blades on an axial fan face the front or the back?

The blades on an axial fan face the front. This is so that they can draw air into the center of the wheel and expel it out the sides.

About the Author

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