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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Beskrivning Pris 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-artikelnummer 825-7847
Tillv. art.nrR4E400-AP15-10
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115 V ac Centrifugal AC 3150m³/h R4E400 - 400mm - - 1300 rpm, 1480 rpm, 1500 rpm 68dB(A) Ball - -
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Tillv. art.nrR2E175-AO77-14
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- Centrifugal AC 570m³/h R2E175 - 175mm - - 3100rpm 68dB(A) Ball - -
RS-artikelnummer 892-1772
Tillv. art.nrDR523K58/037211
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51 491,28 kr
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115 V ac, 230 V ac Regenerative AC 140.19m³/h DR523 409.5mm 358.1mm 490.5mm 358.1 x 409.5 x 490.5mm - - Ball - -
RS-artikelnummer 892-3386
Tillv. art.nr119003-01
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- - - - - - - - - 4228rpm - - - -
RS-artikelnummer 185-4551
Tillv. art.nr9BMC24P2G001
VarumärkeSanyo Denki
593,60 kr
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24 V dc Blower Dc 65.3cfm San Ace B97 97mm 97mm 33mm 97 x 97 x 33mm 8200rpm 69dB(A) - 71 x 71mm -
RS-artikelnummer 892-1700
Tillv. art.nrDR303AE9M/038841
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115 V ac, 230 V ac Regenerative AC 91.79m³/h DR303 254mm 244.6mm 301.2mm 244.6 x 254 x 301.2mm - - - - -
RS-artikelnummer 825-7869
Tillv. art.nrRER160-28/12N
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12 V dc Centrifugal DC 225m³/h RER160 - 165.1mm 51mm 165.1 (Dia.) x 51 Dmm 3000rpm 64dB Ball - -
RS-artikelnummer 892-1794
Tillv. art.nrDR555K72/081099
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43 423,77 kr
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230 V ac, 460 V ac Regenerative AC 317.11m³/h DR555 383mm 379mm 409mm 379 x 383 x 409mm - - Ball - -
RS-artikelnummer 332-5728
Tillv. art.nrQLZ06/2400A74-3030LH-170
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754,35 kr
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230 V ac Tangential AC 170m³/h QLZ 96mm 324mm 83mm 96 x 324 x 83mm 2100rpm 47dB Sleeve - -
RS-artikelnummer 830-3029
Tillv. art.nrR2E225-RA92-09
Varumärkeebm-papst
1 587,10 kr
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230 V ac Centrifugal AC 1195m³/h R2E225 - 225 (Dia.)mm 99mm 225 (Dia.) x 99mm 2500rpm - Ball - -
Nytt
RS-artikelnummer 191-9434
Tillv. art.nr9TP48G0002
VarumärkeSanyo Denki
2 711,25 kr
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48 V dc Centrifugal DC 742cfm San Ace C221 221mm 221mm 71mm 221 x 221 x 71mm 3650rpm 74dB(A) - 58mm -
RS-artikelnummer 892-1790
Tillv. art.nrDR555K58/081098
VarumärkeAmetek
55 477,53 kr
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115 V ac, 230 V ac Regenerative AC 317.11m³/h DR555 383mm 379mm 441mm 379 x 383 x 441mm - - Ball - -
RS-artikelnummer 825-7702
Tillv. art.nrR2E225-BD92-09
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2 139,42 kr
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230 V ac Centrifugal AC 1340m³/h R2E225 - 225mm 99mm 225 (Dia.) x 99 Dmm 2950rpm 71dB(A) Ball - -
RS-artikelnummer 892-3471
Tillv. art.nr119379-05
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8 207,57 kr
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24 V dc Blower DC 64.24m³/h Minijammer 5.0" 127mm 127mm 71.6mm 127 x 127 x 71.6mm - - - - Brushless
RS-artikelnummer 126-127
Tillv. art.nrPMB4897PYB1-AY(2).GN
VarumärkeSunon
277,32 kr
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48 V dc Blower DC 30.5cfm PMB 97.2mm 94.4mm 33mm 94.4 x 97.2 x 33mm 3600rpm 55.8dB(A) Ball 78 x 64mm Brushless
RS-artikelnummer 892-3541
Tillv. art.nr150166
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6 657,62 kr
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12 V dc Blower DC 64.22m³/h Minijammer 5.0" 127mm 127mm 71.6mm 127 x 127 x 71.6mm - - - - Brushless
RS-artikelnummer 892-3762
Tillv. art.nr515132
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1 579,69 kr
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- - - - - - - - - - - - - -
RS-artikelnummer 892-3835
Tillv. art.nr516515
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8 306,80 kr
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- - - - - - - - - - - - - -
RS-artikelnummer 892-1778
Tillv. art.nrDR513R72/037217
VarumärkeAmetek
40 362,63 kr
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230 V ac, 460 V ac Regenerative AC 130.18m³/h DR513 408mm 360mm 352.6mm 360 x 408 x 352.6mm - - Ball - -
RS-artikelnummer 892-2084
Tillv. art.nrSL2P2/036000
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115 V ac Regenerative SPA AC 100.14m³/h SPIRAL Simplex SL2 253.2mm 309.1mm 199.1mm 309.1 x 253.2 x 199.1mm - - Ball 44.5 x 76.2mm -
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