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. 250-864
Mfr. Part No.RV40-18/12H
Brandebm-papst
kr 423,25
Each
Units
12 V dc Centrifugal DC 24m³/h RV40 77.3mm 102.44mm 58.8mm 77.3 x 102.44 x 58.85mm 4800rpm 50dB Ball - Electronic
RS Stock No. 223-095
Mfr. Part No.G2E140-AB17-50
Brandebm-papst
kr 3 560,21
Each
Units
240 V ac Centrifugal AC 230m³/h G2E140 261mm 226mm 130mm 261 x 226 x 130mm 1400rpm 58dB Ball 105 x 115mm -
RS Stock No. 514-2979
Mfr. Part No.RG130/0800-3612 010201
Brandebm-papst
kr 2 120,52
Each
Units
230 V ac Hot Gas AC 115m³/h RG130 176mm 178mm 98mm 176 x 178 x 98mm 8000rpm 55dB Ball - Electronic
RS Stock No. 825-7614
Mfr. Part No.R1G220-AB35-52
Brandebm-papst
kr 2 445,34
Each
Units
24 V dc Centrifugal DC 1055m³/h R1G220 - 220.9mm 71mm 220.9 (Dia.) x 71 Dmm 3150rpm 76dB(A) Ball - Electronic
RS Stock No. 860-0204
Mfr. Part No.D2E133-DM47-01
Brandebm-papst
kr 2 858,88
Each
Units
230 V ac Centrifugal AC 495m³/h D2E133 213mm 204mm 270mm 213 x 204 x 270mm 2200rpm >70dB(A) Ball 126 x 254mm -
RS Stock No. 126-414
Mfr. Part No.GB1205PKV1-8AY.GN
BrandSunon
kr 146,23
Each
Units
12 V dc Blower DC 5.7cfm GB 50mm 50mm 20mm 50 x 50 x 20mm 5200rpm 35dB(A) Vapo 43 x 40mm Brushless
RS Stock No. 217-4248
Mfr. Part No.R2S133-AE17-05
Brandebm-papst
kr 1 153,21
Each
Units
230 V ac Centrifugal AC 280m³/h R2S133 - 133mm 91mm - 2780rpm 55dB Ball - -
RS Stock No. 825-7594
Mfr. Part No.R1G175-AB75-24
Brandebm-papst
kr 2 047,84
Each
Units
12 V dc Centrifugal DC 565 m³/h, 695 m³/h R1G175 - 175mm - - 3100 rpm, 4000 rpm 65 dB(A), 72 dB(A) Ball - Electronic
RS Stock No. 332-5728
Mfr. Part No.QLZ06/2400A74-3030LH-170
Brandebm-papst
kr 757,86
Each
Units
230 V ac Tangential AC 170m³/h QLZ 96mm 324mm 83mm 96 x 324 x 83mm 2100rpm 47dB Sleeve - -
RS Stock No. 617-4501
Mfr. Part No.FE1Q230-060-04
Brandebm-papst
kr 2 508,66
Each
Units
230 V ac Tangential AC 340m³/h FE1Q 169mm 483mm 88mm 169 x 483 x 88mm 2390rpm 54dB Ball 76.2 x 465.1mm -
RS Stock No. 332-5683
Mfr. Part No.QLZ06/1800 A297-2518L-93UK
Brandebm-papst
kr 679,80
Each
Units
230 V ac Tangential AC 130m³/h QLZ 96mm 251mm 83mm 96 x 251 x 83mm 1400rpm 40dB Sleeve 154 x 16.5mm -
RS Stock No. 468-4725
Mfr. Part No.RL90-18/56
Brandebm-papst
kr 813,89
Each
Units
230 V ac Centrifugal AC 40m³/h RL90 120.6mm 120.6mm 37mm 120.6 x 120.6 x 37mm 2450rpm 56dB Ball 104.8 x 100.8mm -
RS Stock No. 243-6439
Mfr. Part No.G2G085-AB04-10
Brandebm-papst
kr 2 685,03
Each
Units
12 V dc Centrifugal DC 80m³/h G2G085 117mm 127mm 76mm 117 x 127 x 76mm 2300rpm 52dB Ball 58 x 66mm Electronic
RS Stock No. 332-5699
Mfr. Part No.QLZ06/1800-A304-2524LH-72
Brandebm-papst
kr 731,84
Each
Units
230 V ac Tangential AC 150m³/h QLZ 96mm 257mm 83mm 96 x 257 x 83mm 1700rpm 48dB Sleeve - -
RS Stock No. 825-7803
Mfr. Part No.R4E225-AI01-10
Brandebm-papst
kr 2 059,20
Each
Units
230 V ac Centrifugal AC 450m³/h R4E225 - 225mm - - 1430rpm 61dB(A) Ball - -
RS Stock No. 825-7718
Mfr. Part No.R2E225-BD92-37
Brandebm-papst
kr 2 864,86
Each
Units
230 V ac Centrifugal AC 1340m³/h R2E225 - 225mm 99mm 225 (Dia.) x 99 Dmm 2950rpm 71dB(A) Ball - -
RS Stock No. 482-077
Mfr. Part No.RL90-18/50
Brandebm-papst
kr 665,15
Each
Units
230 V ac Centrifugal AC 40m³/h RL90 120.6mm 120.6mm 37mm 120.6 x 120.6 x 37mm 2450rpm 56dB Sleeve 104.8 x 100.8mm -
RS Stock No. 263-7828
Mfr. Part No.RL90-18/14N
Brandebm-papst
kr 656,67
Each
Units
24 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. 841-4886
Mfr. Part No.D2E146-HT59-02
Brandebm-papst
kr 2 675,74
Each
Units
230 V Centrifugal AC 910m³/h D2E 146 216mm 220mm 199mm 216 x 220 x 199mm 1600rpm - Ball 138 x 110mm Electronic
RS Stock No. 771-9114
Mfr. Part No.QG030-148/14
Brandebm-papst
kr 901,79
Each
Units
24 V dc Tangential DC 75m³/h QG030 47.5mm 50mm 201mm 47.5 x 50 x 201mm - 49dB(A) Ball - Electronic
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