The Basics

The most basic answer to the question, “What does a centrifugal fan do?”, is that it moves gas (air), drawing it into the inlet, turning it 90 degrees, and blowing it through the outlet to exit the fan. It moves a higher static pressure than an axial fan, which moves air and gas straight, in one direction. Without air movement inside buildings – whether a room (like in Chet’s example in the video), a house, or an industrial manufacturing facility – things would get dicey. If you were to be trapped in a small room with no ventilation, only breathing in your own exhaled air, you could only survive for so long. Imagine what would happen in a manufacturing facility where there are many other gases and particles at play! If that is all the information on centrifugal fans you were looking for, feel free to stop reading now. For a little more on how they work, carry on.

Fan selection software helps engineers select and specify a fan that will deliver the performance needed in the process application.

Waiting on fan manufacturers to get quotes back to you can be stressful. Frequently, you do not have the time — days or even hours — to wait for a quote. Fan buyers have another option though: Most industrial fan/blower companies offer fan selection software, available via the Internet on company websites, or offered as a program to be installed on your computer. No matter the source though, it is important to do two things before using the selection software to find the appropriate fan for your application.