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Centrifugal Fans

Centrifugal fans, also called centrifugal blowers or radial fans, are versatile mechanical devices widely used for moving air or other gases in various applications. Their design and working principle set them apart from other fan types, like axial fans. A centrifugal fan operates by using the kinetic energy of a rotating impeller to increase the pressure of an airstream. The basic components of a centrifugal fan include an impeller, a fan housing, an inlet and outlet duct, a drive mechanism, and sometimes additional elements like dampers or vanes for flow control. Centrifugal fans find versatile applications across various domains due to their robust reliability, low noise, and high energy efficiency. These compact fans can ensure air quality and temperature control––handling a range of conditions, including dirty or humid air, gases, and particulate matter.

Popular Types of Centrifugal Fans

Centrifugal fans can be classified based on their impeller design, pressure generation capability, and airflow direction. The most common types include:

  • Forward Curved Centrifugal Fans – These fans feature blades that curve in the same direction as the wheel's rotation. They deliver a high volume of air at low pressure and are typically used in HVAC or filtration systems.
  • Backward Curved Centrifugal Fans – In these fans, the blades curve against the direction of rotation of the wheel. They are more efficient than a forward-curved fan and are used in situations requiring higher pressures.
  • Radial Centrifugal Fans – These have blades that extend straight out from the hub. They are robust and suitable for industrial processes involving dust and particulate matter.
  • Inline Centrifugal Fans – Also called inline duct fans, are mechanical devices used in ventilation and HVAC systems. They are typically compact yet powerful and designed to move air through a duct or pipe by using centrifugal force.
  • Industrial Centrifugal Fans: Industrial centrifugal fans are used in a variety of industries and applications to move air or gases through ducts, pipes, or other ventilation systems. 

Centrifugal Fans Vs. Axial Fans: The Key Differences

Centrifugal and axial fans are both mechanical devices used for moving air or gases; however, they differ in terms of their operation and design. Centrifugal fans create a centrifugal force, accelerating the air radially outward from the fan wheel's center. This design results in a change in air direction and an increase in air pressure, making these fans well-suited for applications where higher pressure is needed.

On the other hand, axial fans operate by drawing air parallel to the fan axis and then expelling it in the same direction. These fans are designed to move a large volume of air at lower pressures. Overall, centrifugal fans are better for high-pressure applications with limited airflow, while axial fans excel in moving large volumes of air with lower pressure requirements.

Typical Applications of Centrifugal Fans

Centrifugal fans are versatile devices used in multiple applications across various industries and settings, such as: 

  • HVAC Systems
  • Industrial Ventilation
  • Process Air Handling
  • Dust Collection Systems
  • Boiler and Furnace Systems
  • Material Handling
  • Air Pollution Control
  • Agricultural Applications
  • Automotive Industry
  • Aerospace
  • Mining and Tunnel Ventilation
  • Pharmaceutical and Cleanroom Applications
  • Oil and Gas Industry
  • Marine Applications
  • Food Processing.

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PMB1212PLB2-A(2).GN, Sunon
453 In Stock
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£ 40.42
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D3G146-HQ13-34, ebm-papst
1 In Stock
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£ 253.15
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£ 221.51
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£ 202.53
RS Pro
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787-4029, RS Pro
304 In Stock
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£ 34.84
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£ 33.34
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£ 31.84
Sanyo Denki
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109BJ24HC2, Sanyo Denki
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£ 59.04
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£ 55.49
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£ 51.96
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9W1BM12P2H001, Sanyo Denki
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£ 111.19
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£ 105.62
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£ 102.29
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R3G220-RC05-03, ebm-papst
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£ 256.98
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£ 224.86
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£ 205.59
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9TN24P1H01, Sanyo Denki
185 In Stock
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£ 64.93
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£ 63.11
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£ 61.43
ebm-papst
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RL90-18/14N, ebm-papst
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£ 72.00
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£ 63.00
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£ 57.60
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R3G220-RD53-03, ebm-papst
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£ 318.35
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£ 278.56
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£ 254.67
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109BD24HC2, Sanyo Denki
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£ 42.14
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£ 40.55
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£ 39.02
ebm-papst
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K3G133RA0103, ebm-papst
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£ 340.40
ebm-papst
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QL42500-2118, ebm-papst
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£ 77.54
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QLK45/2400A32-2524L-58, ebm-papst
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£ 61.45
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£ 53.78
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£ 49.16
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G4E180-GS11-01, ebm-papst
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£ 462.89
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£ 405.03
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£ 370.31
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9TD12P6G001, Sanyo Denki
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£ 46.96
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£ 45.48
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9BD12SC6-1, Sanyo Denki
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£ 19.78
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£ 19.01
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9BMB24P2G01, Sanyo Denki
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£ 26.17
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9TP48G0002, Sanyo Denki
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£ 280.49
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£ 246.83
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G3G146-FK07-02, ebm-papst
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£ 391.91
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£ 377.41
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£ 364.09
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D4E146-LV19-14, ebm-papst
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£ 141.13
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£ 128.57
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£ 124.06
COMAIR ROTRON
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WT12B3 19031101A, COMAIR ROTRON
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£ 14.84
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U97EM-012KK-3, Micronel
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£ 213.30
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£ 206.05
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£ 195.17
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D2E146-HT59-02, ebm-papst
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£ 259.26
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£ 226.85
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£ 207.41
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R3G250-RE07-07, ebm-papst
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£ 355.68
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£ 311.22
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£ 284.54
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9TG24P0G01, Sanyo Denki
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£ 141.08
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£ 135.72
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£ 130.64
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