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. 841-4902
Mfr. Part No.D4E225-CC01-54
Brandebm-papst
kr 8 885,72
Each
Units
230 V Centrifugal AC 2615m³/h D4E 225 370mm 327mm 341mm 370 x 327 x 341mm 1090rpm - Ball 284 x 321mm Electronic
RS Stock No. 826-1225
Mfr. Part No.FE1Q-115-060-01
Brandebm-papst
kr 1 971,28
Each
Units
115 V ac Tangential AC - FE1Q - - - - - - - - -
RS Stock No. 892-1801
Mfr. Part No.DR633AY86M/081693
BrandAmetek
kr 90 847,32
Each
Units
575 V ac Regenerative AC 236.99m³/h DR633 481.1mm 423.7mm 458.3mm 423.7 x 481.1 x 458.3mm - - Ball - -
RS Stock No. 892-3614
Mfr. Part No.150531-50
BrandAmetek
kr 22 717,22
Each
Units
120 V ac Blower ac - Nautilair 12.3" 314.73mm 332.83mm 222.25mm 332.83 x 314.73 x 222.25mm - - - - Brushless
RS Stock No. 217-4254
Mfr. Part No.R2S175-AB56-01
Brandebm-papst
kr 1 288,64
Each
Units
230 V ac Centrifugal AC 445m³/h R2S175 - 175mm 69mm - 2350rpm 61dB Ball - -
RS Stock No. 892-3471
Mfr. Part No.119379-05
BrandAmetek
kr 8 072,16
Each
Units
24 V dc Blower DC 64.24m³/h Minijammer 5.0" 127mm 127mm 71.6mm 127 x 127 x 71.6mm - - - - Brushless
RS Stock No. 892-1747
Mfr. Part No.DR454R72M/080480
BrandAmetek
kr 29 109,81
Each
Units
230 V ac, 460 V ac Regenerative AC 200.28m³/h DR454 343mm 318mm 338mm 318 x 343 x 338mm - - Ball - -
RS Stock No. 892-3497
Mfr. Part No.119385-52
BrandAmetek
kr 5 607,20
Each
Units
24 V dc Blower DC 58.28m³/h Minijammer 5.0" 127mm 127mm 71.6mm 127 x 127 x 71.6mm - - - - Brushless
RS Stock No. 892-1790
Mfr. Part No.DR555K58/081098
BrandAmetek
kr 54 562,19
Each
Units
115 V ac, 230 V ac Regenerative AC 317.11m³/h DR555 383mm 379mm 441mm 379 x 383 x 441mm - - Ball - -
RS Stock No. 825-7670
Mfr. Part No.R2E220-AA40-80
Brandebm-papst
kr 2 036,59
Each
Units
230 V ac Centrifugal AC - R2E220 - 221.4mm 71mm 221.4 (Dia.) x 71 Dmm 2700rpm >70dB(A) Ball - -
RS Stock No. 892-1914
Mfr. Part No.EN858BD72WL/038744
BrandAmetek
kr 89 826,62
Each
Units
230 V ac, 460 V ac Regenerative AC 634.22m³/h EN858 660.4mm 472.4mm 622.3mm 472.4 x 660.4 x 622.3mm - - Ball - -
RS Stock No. 892-1895
Mfr. Part No.EN656M72XL (080059)
BrandAmetek
kr 47 905,40
Each
Units
230 V ac, 460 V ac Regenerative AC 353.82m³/h EN656 492mm 391.7mm 382.5mm 391.7 x 492 x 382.5mm - - Ball - -
RS Stock No. 826-1326
Mfr. Part No.K3G355-AI56-01
Brandebm-papst
kr 30 683,827
Each (In a Pack of 10)
Units
230 V Centrifugal AC - K3G 355 - - - - - - - - -
RS Stock No. 825-7841
Mfr. Part No.RER100-25/12
Brandebm-papst
kr 329,48
Each
Units
12 V dc Centrifugal DC - RER100 - 100mm 32mm 100 (Dia.) x 32 Dmm 5400rpm - Ball - -
RS Stock No. 250-971
Mfr. Part No.RL65-21/14H
Brandebm-papst
kr 437,55
Each
Units
24 V dc Centrifugal DC 61m³/h RL65 93.5mm 97mm 33mm 93.5 x 97 x 33mm 4900rpm 66dB Ball 71 x 71mm Electronic
RS Stock No. 787-8960
Mfr. Part No.FW2451-A1051C2AL
BrandARX
kr 135,46
Each
Units
24 V dc Blower DC 6.97m³/h CeraDyna 51mm 51mm 15mm 51 x 51 x 15mm 5500rpm 37dB(A) Sleeve - -
RS Stock No. 825-7588
Mfr. Part No.R1G133-AA65-02
Brandebm-papst
kr 1 429,59
Each
Units
48 V dc Centrifugal DC 360m³/h R1G133 - 133mm 91mm 133 (Dia.) x 91 Dmm 3900rpm 63dB(A) Ball - Electronic
RS Stock No. 825-7771
Mfr. Part No.R2S175-AB56-30
Brandebm-papst
kr 1 295,802
Each (In a Pack of 6)
Units
230 V ac Centrifugal AC 440m³/h R2S175 - 175mm 69mm 175 (Dia.) x 69 Dmm 2350rpm 61dB(A) Ball - -
RS Stock No. 217-4181
Mfr. Part No.R2E133-BH66-05
Brandebm-papst
kr 1 184,34
Each
Units
230 V ac Centrifugal AC 290m³/h R2E - 133mm 91mm - 2800rpm 56dB Ball - -
RS Stock No. 802-9444
Mfr. Part No.R3G220-RD53-03
Brandebm-papst
kr 2 653,81
Each
Units
230 V ac Centrifugal AC 1290m³/h RadiCal - 220 (Dia.)mm 92mm 220 (Dia.) x 90mm 3230rpm - Ball - Electronic
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