Centrifugal fans are very efficient and versatile piece of air moving equipment. Centrifugal fans contain centrifugal fan blower with a centrifugal fan impeller and scroll housing and that housing accelerate the air and changes the direction of airflow two times, a full 90 degree before leaving the house. They are reliable and made in a way so that they can operate in a variety of environments and applications.

Centrifugal fan blade:

1. Radial:

The pressure of these fans is high and medium airflow. These fans are used when there is gas or moisture in the air.

2. Forward curve:

The pressure is medium and airflow is high and they are used in the cleaning of air, ventilation, and exhaust applications.

3. Backward curve:

These fans have high pressure, high efficiency, and high flow, and when power is reduced the flow rate will increase.

4. Airfoil:

These fans are used for cleaning the air and the efficiency of these fans are high.

Centrifugal fan theory:

To choose the correct fan we should have complete knowledge about the pressure requirement. When we have a more complicated and lengthy duct system then its power requirements are also high. Usually, we have two drive system in centrifugal fan which are:

Direct Drive: direct drive system mainly used for smaller blowers and also offer lower cost with reduced maintenance and greater reliability.

Belt Drive: belt drive has uses in the application of large blowers when they are equipped with a variable frequency drive.

Centrifugal fan efficiency:

Centrifugal fan efficiency is the ratio between power transferred to airflow and the power used by the fan.

Motor efficiency used:

• Motor 1.337 hp.
• Motor 13.41 hp.
• Motor 134.10 hp.

Centrifugal fan impeller wheels

Mainly we have 8 types of impeller wheels which are:

1) Shrouded radial wheel

2) Open radial blade

3) Open paddle wheel

4) Backward inclined

5) Airfoil blade

6) Forward curved multi-vane

7) Backward curved radial

Centrifugal fan application:

• Used in Dust Collectors
• In Paint Booths
• In air conditioning
• For high pressure applications

Centrifugal fan advantages:

• Energy efficient
• Durable
• Can restrict overloading
• Versatility is high
• Maintenance is easy

Centrifugal vs. Axial fan:

About our company:

Blast Rooms are the manufacturer of all kind of Sand Blasting machine and Blasting cabinet. we also manufacture different blasting machine-like Shot Blasting Machine and Grit Blasting Machine. Rather than blasting machines we also manufacture coating equipment such as Thermal Spray Gun on-demand. we also supply all types of Abrasive Media at the best price and with great quality assurance.