What Is An Axial Fan? Features And Applications Explained

What Is An Axial Fan? 

An axial fan is a core component in many ventilation systems. This device uses the linear rotatory motion of the blades to draw in air and expel it parallel to the shaft. As a result, airflow is streamlined across the blades, allowing the system to handle large volumes of air in a low pressure context. 

The operational efficiency of an axial fan hinges on their ability to be installed in many different settings ranging from small electronic devices to large industrial facilities. Furthermore, thanks to their minimalist design, they are extremely easy to clean, reducing maintenance costs, and enhancing their durability. 

What Are The Main Technical Features Of An Axial Fan?

Delving deeper into the specifics of axial fans, it is important to underline some technical aspects that make them perfect for certain applications. 

• Airflow Direction: these tools are engineered to displace air along their axis, ensuring a linear movement, and enabling them to manage large volumes of air with minimal resistance. 

• Blades: their design is a key feature. In fact, they are designed to facilitate air displacement and efficiency. When it comes to blades, however, many aspects need to be considered, such as the number of blades, their angle, and their profile to adapt to multiple requirements. 

• Low Pressure: axial fans can operate under low-pressure conditions. 

• Installation: these devices can be mounted in many locations, in order to place the fan in the most suitable position to obtain the desired airflow patterns.

Are you interested in a CBI Group axial fan? 

The Mechanics Behind An Axial Fan

The working principle of an axial fan is fundamental to its performance. At the heart of its functioning, there is the concept of forcing air movement while blades rotate. From the parallel displacement of air to the shaft, derives the term “axial”. 

Another feature to take into account is that the motor driving the blades transforms electrical energy into kinetic energy, which is the one generated by a mechanical motion. Whilst blades revolve, they pull air in and push it forward following a straight line along the axis. 

This linearity in air movement is reached thanks to the specific design of the blades which feature a certain angle and geometry maximising airflow and efficiency. It is the angle of the blades that contributes significantly to the volume of air that can be moved and itsrotational speed. 

Applications of Axial Fans

Here are the primary applications of axial fans in various industries.

Industrial Cooling and Ventilation

In industrial cooling and ventilation, axial fans can deal with large volumes of air across wide areas. They are ideal for applications requiring massive air movement. 

They can effectively cool down large machinery, warehouses, and manufacturing facilities with stable environmental conditions.

Electronics Cooling

From server rooms to telecommunications equipment, axial fans are the perfect solution for cooling electrical devices. They are suitable for maintaining a steady flow across heat-generating electronic configurations.

Tunnel & Metro

Each axial fan is engineered for optimal aerodynamic efficiency and constructed to the highest quality standards, ensuring reliable operation over the years and suitability for smoke extraction in the event of a fire.

The fans undergo rigorous testing and certification to the strictest international fire safety standards, EN 12101-3, to ensure they can operate at temperatures up to 400°C for 2 hours. Their performance is certified by No-Bo, with aeraulic tests conducted in compliance with international regulations (AMCA and ISO) to meet or exceed all technical project specifications.

Nuclear Sector

Our industrial fans, both axial and centrifugal, are specifically designed to meet the stringent requirements of the nuclear sector, providing exceptional performance and unwavering reliability. Our products guarantee efficient heat dissipation and optimal air quality control, ensuring a safe working environment that complies with international standards.

The CBI Group Axial Fan Selection

CBI Group stands out for its broad range of axial blowers, designed and manufactured to cater to the highest standards of performance for both civil and industrial settings. 

Each model is crafted with the utmost precision to ensure perfect reliability with any condition. 

• GAT Series: this belt-driven fan features airfoil blades. It has a pressure capability up to 600 Pa and a flow rate reaching 50.000 m3/h. 

• GAV/GAX Series: this model is direct-driven, equipped with airfoil blades. It matches the GA Series in pressure and flow rate, offering another robust option for those in need of reliable air movement solutions.

• AXL Series: its airfoil blades and direct coupling are designed for a higher pressure capacity up to 5,000 Pa and an impressive flow rate of 830,000 m3/h. It can also serve as an emergency fan for evacuation.

• CBJET Series: tailored for Tunnel & Metro applications, the CBJET model features reversible blades, and it is direct-driven. With a thrust range between 500 and 3,000 N and a flow rate of up to 260,000 m3/h, this series is adept at providing effective ventilation in tunnel environments, including serving as an emergency evacuation fan.

• EFA Series: this model offers direct-driven axial fans with airfoil blades. It stands out with a pressure capacity of 1,800 Pa and a flow rate of 480,000 m3/h, making it a powerful option for larger scale ventilation requirements.

Are you interested in a CBI Group axial fan?