Squirrel Cage Blower Wheel with Forward Curved Blades

What some may call a squirrel cage blower wheel is also what we call a forward-curved centrifugal fan. Either way, it gets its name based on the many small blades that make up this fan wheel causing it to look like a squirrel cage or hamster wheel! The result is a blower that moves higher volumes of air and gasses at low pressures for various industrial operations.

How the Squirrel Cage Blower Wheel Works

The squirrel cage blower wheel is often used in our plug fan arrangement (also known as Arrangement 2), requiring no ductwork as it mounts directly to an enclosure to circulate the air. The fan wheel rotates clockwise or counter-clockwise, with the small forward-curved blades scooping the airflow and slinging it out as the wheel rotates.

It is designed to move high-volume airflow with very little static pressure. That makes this design optimal for applications like furnaces or ovens that use convection heat, and need to maintain the same temperature within the space.

See our Forward Curved Fan for High Temperatures Product Page for performance and design specifications and other details.

Hear it from the Application Engineer

Senior Application Engineer Chet White demonstrates the squirrel cage blower wheel in this 1-minute video.

When you’re ready to start your project, reach out and connect with one of our application engineers to discuss the details of your specification.

Related Content on Industrial Fan Applications and High-Temperature Blowers

There are many factors to consider in every industrial fan application. We’ve seen it all. Here are related pages and posts that might be of interest as you think about your application:

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