A Guide to Selecting Industrial Fans for High-Performance Plants
A Guide to Selecting Industrial Fans for High-Performance Plants
When talking about industrial fans, there is a tendency to view them as simple mechanical components. In reality, in high-performance plants, they represent a central technical hub: they impact production continuity, energy consumption, and the regulatory compliance of the entire system.
Today, companies are not just looking for a device that moves air, but for a solution capable of ensuring energy efficiency, operational stability, and process integration. In this scenario, the production of industrial fans takes on a design value, not just a manufacturing one.
To help navigate the available technologies and solutions, we have created a selection guide for industrial fans. We will discuss in detail API 673 and 560 industrial centrifugal fans, turbofans, industrial axial fans, and API 672 and 617 centrifugal compressors.
Let’s begin.
The Differences Between Standard and Custom-Made Industrial Fans
The difference between a standard fan and a custom-designed one is not just about size or power, but the design methodology itself.
Standard solutions meet generic needs and guarantee quick delivery times. However, in complex process plants—where abrasive dust, aggressive gases, oil mists, or high temperatures are handled—a one-size-fits-all approach can lead to inefficiencies or critical issues over time.
A custom-made industrial fan, on the other hand, is dimensioned based on concrete data:
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Actual required flow rate
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Necessary static pressure
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Type and characteristics of the fluid
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System pressure drops
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Installation constraints
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Regulatory requirements
The choice of materials—such as special steels, protective coatings, or surface treatments—also directly affects durability and reliability. In this way, design is not limited to making the system “work,” but focuses on optimizing performance over the long term.
This mindset naturally leads to evaluating which technologies are best suited based on operational needs.
Industrial Centrifugal Fans and Turbofans for High Flow, Pressure, and Emission Control
Among the most common technologies are industrial centrifugal fans, which are particularly suitable when significant pressure drops must be overcome: long ducts, high-efficiency filters, flue gas treatment systems, and process equipment.
Thanks to their ability to generate high static pressure, they are used in applications such as:
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Fume extraction
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Process gas handling
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Dust transport
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Combustion air for boilers and furnaces
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Oil mist treatment
When the priority is managing low flow rates and high head with a good energy balance, turbofans come into play. This technology allows for the optimization of the flow-to-pressure ratio, contributing to the improvement of overall plant performance, including emissions.
The choice between industrial centrifugal fans and turbofans is not just technical, but strategic. The system must communicate with filters, scrubbers, heat recovery units, and monitoring devices, creating a coherent architecture.
This integration becomes even more delicate when the plant involves pressure equipment.
How to Coordinate Fans and Pressure Vessels in Air and Gas Plants
In air and gas plants, industrial fans often operate alongside pressure vessels, tanks, and distribution lines. In these cases, the design must consider the entire system.
The reference regulatory framework (from DM 329/04 to the PED Directive) imposes precise criteria for the design and verification of pressure equipment. Once certain thresholds are exceeded, every component must be integrated in a compliant manner.
From a technical standpoint, this means coordinating the fan with:
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Safety valves
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Pressure switches
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Control systems
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Monitoring devices
Correct sizing prevents phenomena such as overpressure, abnormal vibrations, or mechanical overloads. In complex plants, even small deviations from optimal parameters can affect the general balance of the system.
Alongside industrial centrifugal fans and turbofans, it is therefore useful to consider other complementary technologies.
The Role of Centrifugal Compressors and Axial Fans in Industrial Plants
Centrifugal compressors are used when high flow rates and moderate pressures are required, with continuous operation and operational stability. They are found in industrial gas plants, cryogenic processes, and energy recovery systems.
Compared to other solutions, they offer a good balance between performance and maintenance, making them particularly suitable for intensive production cycles.
Industrial axial fans, conversely, are designed to ensure very high flow rates with low resistance. They find application in cooling towers, heat exchangers, and large HVAC systems. They can be manufactured in ATEX versions for potentially explosive environments or with corrosion-resistant materials for petrochemical and energy contexts.
Understanding the differences between centrifugal compressors, industrial axial fans, turbofans, and industrial centrifugal fans allows for the identification of the configuration most consistent with process needs, avoiding oversizing or inefficiencies.
At this point, it becomes clear how much the choice of a technical partner affects the final result.
Why Choose Baglioni as a Strategic Partner in Industrial Ventilation
In our experience, the quality of a plant starts with the initial analysis. This is why at Baglioni we always start from the industrial process: we study the fluid, the operating conditions, the regulatory constraints, and the long-term goals.
Our expertise in the production of industrial fans was born with the integration of Aeromeccanica Stranich into Baglioni Group—a historic leader in the sector and an internationally recognized name. This synergy allows us to combine consolidated experience with advanced design capabilities, expanding the solutions available for high-performance plants.
Every project is developed with an integrated engineering approach, with a focus on energy efficiency, operational life, and regulatory compliance. The goal is to provide systems that fit seamlessly into the existing plant architecture, improving performance over time.
Industrial ventilation requires technical competence, the ability to interpret the process, and a clear design vision. These are the elements upon which we build our daily work.
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