Axial fans are the most commonly used type of fan, characterized by their straightforward design. They feature an impeller positioned at the core of the frame, which draws in air and expels it along the same axis as the rotating shaft. This type of fan is likely the one that comes to mind when you think of a "fan." Found in many everyday applications, axial fans are known for their high airflow and low noise levels.

There are several variations of axial fans:

• Counter-Rotating Fans: These fans consist of two impellers connected in series, rotating in opposite directions. This configuration increases static pressure and improves airflow straightness.
• Durability Fans: Built to endure extreme environments, these fans are ideal for conditions that are either very hot or very cold.
• Reversible Flow Fans: These fans allow for reversible blade rotation, enabling airflow in both directions.

Each of these types can be selected based on your specific needs.

Blowers and Centrifugal Fans: A Different Approach

In contrast to axial fans, blowers and centrifugal fans pull air in from the inlet and then change the direction of airflow by 90 degrees before expelling it.

Blowers and centrifugal fans are ideal when space constraints prevent the exhaust from going in a straight line. Blowers are especially suited for localized cooling, where high static pressure ensures precise airflow for internal cooling of densely packed components. Similarly, centrifugal fans are perfect for exhausting air from equipment with high-density component configurations.