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. 860-0254
Mfr. Part No.R2E225-RA92-20
Brandebm-papst
$255.82
Each (In a Pack of 5)
units
230 V Centrifugal AC 705m³/h R2E225 - - - 225 (Dia.) x 101mm 2600rpm - Ball - -
RS Stock No. 825-7642
Mfr. Part No.R2E180-AH05-15
Brandebm-papst
$833.77
Each
units
230 V ac Centrifugal AC - R2E180 - 180mm - - - - Ball - -
RS Stock No. 825-7598
Mfr. Part No.R1G190-AB25-02
Brandebm-papst
$385.66
Each
units
48 V dc Centrifugal DC 620m³/h R1G190 - 190mm 68.5mm 190 (Dia.) x 68.5 Dmm 2950rpm 68dB(A) Ball - Electronic
RS Stock No. 825-7888
Mfr. Part No.RG125-19/06
Brandebm-papst
$136.80
Each
units
115 V ac Centrifugal AC 94m³/h RG125 180mm 180mm 40mm 180 x 180 x 40mm 2750rpm 60dB Ball 165 x 165mm -
RS Stock No. 826-1111
Mfr. Part No.D2E133-AM47-A3
Brandebm-papst
$560.90
Each
units
230 V Centrifugal AC 700m³/h D2E 133 180mm 254mm 171.5mm 180 x 254 x 171.5mm 2100rpm 59dB Ball 92 x 238mm Electronic
RS Stock No. 191-9311
Mfr. Part No.9BMB24P2G01
$49.08
Each
units
24 V dc Blower DC 47.3cfm San Ace B97 97mm 97mm 33mm 97 x 97 x 33mm 5750rpm 61dB(A) - 71 x 71mm -
RS Stock No. 825-7611
Mfr. Part No.R1G225-AF11-52
Brandebm-papst
$555.08
Each
units
48 V dc Centrifugal DC 1130m³/h R1G225 - 225.3mm 99mm 225.3 (Dia.) x 99 Dmm 2700rpm 67dB(A) Ball - Electronic
RS Stock No. 825-7699
Mfr. Part No.R2E225-AK01-05
Brandebm-papst
$484.782
Each (In a Pack of 10)
units
230 V ac Centrifugal AC 1340m³/h R2E225 - 225mm - - 3000rpm 75dB(A) Ball - -
RS Stock No. 826-1155
Mfr. Part No.D4E225-BC01-23
Brandebm-papst
$1,797.17
Each
units
230 V Centrifugal AC - D4E 225 - - - - - - - - -
RS Stock No. 825-7838
Mfr. Part No.R4E310-AQ29-11
Brandebm-papst
$504.02
Each
units
115 V ac Centrifugal AC 2380m³/h R4E310 - 310mm - - 1650rpm 66dB(A) Ball - -
RS Stock No. 825-7847
Mfr. Part No.R4E400-AP15-10
Brandebm-papst
$1,193.65
Each
units
115 V ac Centrifugal AC 3150m³/h R4E400 - 400mm - - 1300 rpm, 1480 rpm, 1500 rpm 68dB(A) Ball - -
RS Stock No. 825-7774
Mfr. Part No.R3G220-AE70-01
Brandebm-papst
$1,162.30
Each
units
230 V ac Centrifugal AC - R3G220 - 220.9mm 107.5mm 220.9 (Dia.) x 107.5 Dmm 3590rpm - Ball - -
RS Stock No. 826-1307
Mfr. Part No.G3G140-AW21-12
Brandebm-papst
$1,071.17
Each
units
115 V Centrifugal AC - G3G 140 - - - - - - - - -
RS Stock No. 180-3034
Mfr. Part No.TF029B-1000-F
$478.73
Each
units
12 → 27 V dc Blower DC 1.6L/s TF029B 41.5mm 49.44mm 33.6mm 49.44 x 41.5 x 33.6mm 36000rpm 65dB(A) Ball - Brushless
RS Stock No. 826-1127
Mfr. Part No.D2E133-DM67-78
Brandebm-papst
$748.37
Each
units
115 V Centrifugal AC - D2E 133 - - - - - - - - -
RS Stock No. 860-0311
Mfr. Part No.R2E140-AL40-05
Brandebm-papst
$279.22
Each
units
230 V ac Centrifugal AC 385 (M2E 068-CF) m³/h, 485 (M2E 068-DF) m³/h R2E140 - - 74mm 140 (Dia.) x 74mm 1700 rpm, 2400 rpm 63 dB(A), 72 dB(A) Ball - -
RS Stock No. 825-7844
Mfr. Part No.R4E355-AN09-12
Brandebm-papst
$1,033.23
Each
units
115 V ac Centrifugal AC 2740 m³/h, 3190 m³/h R4E355 - 355mm - - 1630rpm 68 dB(A), 70 dB(A) Ball - -
RS Stock No. 180-3021
Mfr. Part No.TF037C-2000-F
$3,040.50
1 Box of 12
Box(es)
24 V dc Blower DC 1.6L/s TF037C 50.5mm 40.4mm 37.3mm 40.4 x 50.5 x 37.3mm 40000rpm 67dB(A) Ball - Brushless
RS Stock No. 263-7834
Mfr. Part No.RL90-18/12N
Brandebm-papst
$150.82
Each
units
12 V dc Centrifugal DC 40m³/h RL90 120.6mm 120.6mm 37.3mm 120.6 x 120.6 x 37.3mm 2500rpm 58dB Ball 104.8 x 100.8mm Electronic
RS Stock No. 860-0302
Mfr. Part No.R4E355-AK05-09
Brandebm-papst
$936.42
Each
units
- Centrifugal AC - R4E355 - - - - - - Ball - -
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