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
New
RS Stock No. 191-9432
Mfr. Part No.9TM24P4H01
HK$760.17
Each
units
24 V dc Centrifugal DC 62.5cfm 9TN - 100 Dia.mm 25mm 100 Dia. x 25mm - 60dB(A) Ball - -
New
RS Stock No. 191-9306
Mfr. Part No.9BD12SC6-1
HK$194.33
Each
units
12 V dc Blower DC 10.2cfm 9BD - 77.5 Dia.mm 20mm 77.5 Dia. x 20mm - 43dB(A) Ball 57 x 57mm -
New
RS Stock No. 191-9310
Mfr. Part No.9BMB12P2K01
HK$292.09
Each
units
12 V dc Blower DC 56.8cfm 9BMB - 96.5 Dia.mm 33mm 96.5 Dia. x 33mm - 66dB(A) Ball 71 x 84mm -
New
RS Stock No. 191-9312
Mfr. Part No.9BMB24P2H01
HK$276.64
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 -
New
RS Stock No. 185-4551
Mfr. Part No.9BMC24P2G001
HK$533.01
Each
units
24 V Blower - - 9BMC 95mm 97.1mm 33mm 97.1 x 33 x 95mm - 69dB(A) - 71 x 84mm -
New
RS Stock No. 191-9307
Mfr. Part No.9BD24FC6-1
HK$194.33
Each
units
24 V dc Blower DC 8.8cfm 9BD - 77.5 Dia.mm 20mm 77.5 Dia. x 20mm - 39dB(A) Ball 57 x 57mm -
New
RS Stock No. 191-9308
Mfr. Part No.9BFB24P2H003
HK$670.13
Each
units
24 V dc Blower DC 56.5cfm 9BFB 120mm 120mm 32mm 120 x 32 x 120mm - 62dB(A) Ball 105 x 105mm -
New
RS Stock No. 191-9311
Mfr. Part No.9BMB24P2G01
HK$276.64
Each
units
24 V dc Blower DC 47.3cfm 9BMB - 96.5 Dia.mm 33mm 96.5 Dia. x 33mm - 61dB(A) Ball 71 x 84mm -
New
RS Stock No. 191-9433
Mfr. Part No.9TN24P1H01
HK$760.17
Each
units
24 V dc Centrifugal DC 135cfm 9TN - 150 Dia.mm 35mm 150 Dia. x 35mm - 59dB(A) Ball - -
New
RS Stock No. 185-4552
Mfr. Part No.9BMC12P2G001
HK$533.01
Each
units
12 V Blower - - 9BMC 95mm 97.1mm 33mm 97.1 x 33 x 95mm - 69dB(A) - 71 x 84mm -
New
RS Stock No. 191-9431
Mfr. Part No.9TG24P0G01
HK$1,197.59
Each
units
24 V dc Centrifugal DC 494.7cfm 9TN - 175 Dia.mm 69mm 175 Dia. x 69mm - 73dB(A) Ball - -
New
RS Stock No. 191-9434
Mfr. Part No.9TP48G0002
HK$2,434.52
Each
units
48 V dc Centrifugal DC 742cfm 9TN - 221 Dia.mm 71mm 221 Dia. x 71mm - 74dB(A) Ball - -
New
RS Stock No. 191-9314
Mfr. Part No.9BMB24S201
HK$261.19
Each
units
24 V dc Blower DC 43.1cfm 9BMB - 96.5 Dia.mm 33mm 96.5 Dia. x 33mm - 59dB(A) Ball 71 x 84mm -
New
RS Stock No. 191-9313
Mfr. Part No.9BMB24P2K01
HK$292.09
Each
units
24 V dc Blower DC 56.8cfm 9BMB - 96.5 Dia.mm 33mm 96.5 Dia. x 33mm - 57dB(A) Ball 71 x 84mm -