Centrifugal Fans

Centrifugal fans are also known as blowers and normally constructed as a fixed drum shape composed with a number of fan blades (impellers), the impellers rotate and blow air or gas from one place to another. Centrifugal fans are used wherever airflow is needed for aspirating, cooling, ventilating and conveying. Centrifugal fans can be single or multi-stage blowers: Single stage blowers are ideal when a uniform airflow is required, Multi-stage is more suited when a varying airflow is required at a fixed pressure.


Features and Benefits


Various IP ratings are available, including IP68, if it needs to be placed in a harsh environment. A choice of different fan speeds from 780 rpm all the up to 11500 rpm. Both backward and forward facing fan blades


Factors to consider when choosing:


  • Pressure requirements

  • Flow requirements

  • Gas consumption

  • Inlet temperature

  • Ambient Temperature

  • Operating altitude of the blower

Where are blowers used?


Blowers are widely used in all manner of everyday items, such as:


  • HVAC systems

  • Dust control

  • Pressure Blowers

  • Air Conditioners

  • Vacuum cleaners

  • Air conveyor systems

What is the difference between a centrifugal fan and an axial fan?


Axial fans are used for high flow rates and low pressures with flow rate parallel to the axis of the fan. The blades of these fans are available in different shapes such as aerofoil, sickle paddle, and various pitch. They are commonly used for cooling and ventilation.


In Centrifugal fans the airflow changes direction twice, once when it enters the fan and secondly when it leaves the fan, These fans have paddle blades forward curved blades, backward curved blades and radial blades. Centrifugal fans move air radially. The airflow created passes through a system of tubes or ducts which creates a higher pressure airflow, making them ideal for high-pressure applications such as cooling and heating systems, dust control, transporting materials and air conveyor systems.


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Description Price Supply Voltage Blower Type AC or DC Operation Air Flow Series Height Width Depth Dimensions Fan Speed Noise Level Bearing Type Mounting Hole Spacing Commutation Type
RS Stock No. 892-3415
Mfr. Part No.119152-52
BrandAmetek
£952.42
Each
Units
- Blower DC 306m³/h IntelliGen - 150 (Dia.)mm 130.3mm 150 (Dia.) x 130.3mm - - - - Brushless
RS Stock No. 180-3032
Mfr. Part No.TF037E-2000-F
£118.31
Each
Units
24 V dc Blower DC - TF037E 52mm 80.2mm 60mm 52 x 80.2 x 60mm - 65dB(A) - - -
RS Stock No. 892-1879
Mfr. Part No.DR909BB72W/081738
BrandAmetek
£9,507.13
Each
Units
230 V ac, 460 V ac Regenerative AC - - 482mm 514.4mm 593.8mm 482 x 514.4 x 593.8mm - - Ball - -
RS Stock No. 825-7715
Mfr. Part No.R2E225-BD92-36
Brandebm-papst
£239.17
Each
Units
230 V ac Centrifugal AC 1340m³/h R2E225 - 225mm 99mm 225 (Dia.) x 99 Dmm 2950rpm 71dB(A) Ball - -
RS Stock No. 892-1740
Mfr. Part No.DR454R86M/080482
BrandAmetek
£2,726.61
Each
Units
575 V ac Regenerative AC - - 343mm 318mm - - - - Ball - -
RS Stock No. 892-3835
Mfr. Part No.516515
BrandAmetek
£582.27
Each
Units
- Blower - - - - 482.6mm - - - - - - -
New
RS Stock No. 191-9312
Mfr. Part No.9BMB24P2H01
£22.92
Each
Units
24 V dc Blower DC 39.2cfm 9BMB - 96.5 Dia.mm 33mm 96.5 Dia. x 33mm - 66dB(A) Ball 71 x 84mm -
RS Stock No. 892-3392
Mfr. Part No.119103-01
BrandAmetek
£885.43
Each
Units
- Blower DC 222.7m³/h IntelliGen - 150 (Dia.)mm 176.3mm 150 (Dia.) x 176.3mm - - - - Brushless
RS Stock No. 892-3437
Mfr. Part No.119155-06
BrandAmetek
£1,404.91
Each
Units
- Blower DC 455.6m³/h IntelliGen - 150 (Dia.)mm 136.4mm 150 (Dia.) x 136.4mm - - - - Brushless
RS Stock No. 180-3031
Mfr. Part No.TF037C-2000-F
£118.31
Each
Units
24 V dc Blower DC - TF037C 50.5mm 40.4mm 37.3mm 50.5 x 40.4 x 37.3mm - 67dB(A) - - -
RS Stock No. 892-1804
Mfr. Part No.DR555K86/081101
BrandAmetek
£3,639.48
Each
Units
575 V ac Regenerative AC - - 383mm 379mm - - - - Ball - -
RS Stock No. 825-7709
Mfr. Part No.R2E225-BD40-28
Brandebm-papst
£194.90
Each
Units
- Centrifugal AC 1340m³/h R2E225 - 225mm - - 3000rpm 75dB(A) Ball - -
RS Stock No. 892-2084
Mfr. Part No.SL2P2/036000
BrandAmetek
£2,064.73
Each
Units
115 V ac Regenerative AC - - 253.2mm 309.1mm 199.1mm 253.2 x 309.1 x 199.1mm - - Ball 44.5 x 76.2mm -
RS Stock No. 180-3024
Mfr. Part No.TF029B-1000-F
£1,408.09
1 Box of 12
Box(es)
12 → 27 V dc Blower DC - TF029B 41.5mm 49.44mm 33.6mm 41.5 x 49.44 x 33.6mm - 65dB(A) - - -
RS Stock No. 892-1801
Mfr. Part No.DR633AY86M/081693
BrandAmetek
£6,474.73
Each
Units
575 V ac Regenerative AC - - 481.1mm 423.7mm 458.3mm 481.1 x 423.7 x 458.3mm - - Ball - -
RS Stock No. 2509574513
Mfr. Part No.OAB908AN-11-1/2
BrandOrion
£75.43
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 2508416513
Mfr. Part No.RER10136/14N/2HHA20184
Brandebm-papst
£97.00
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 2509569909
Mfr. Part No.116637-53
BrandAmetek
£659.57
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 2508127421
Mfr. Part No.OAB800AN-22-1WB
BrandOrion
£30.17
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 2509574428
Mfr. Part No.OAB800AN-11-1B
BrandOrion
£30.17
Each
Units
- - - - - - - - - - - - - -
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