Centrifugal Fans

Centrifugal fans are also known as blowers and normally constructed as a fixed drum shape 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. You can find out more in our centrifugal fans guide.

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 to 11500 rpm.

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.

Centrifugal fans 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, backwards 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. 892-3412
Mfr. Part No.119152-01
BrandAmetek
kr 18 134,47
Each
Units
240 V ac Blower Ac 305.82m³/h Windjammer - Bypass 5.7" 150mm 150mm - - - - - - Brushless
RS Stock No. 892-2087
Mfr. Part No.SE2B21A/080694
BrandAmetek
kr 7 120,55
Each
Units
110 V ac, 115 V ac Regenerative SPA AC 5.8m³/h Minispiral 105.66mm 104.4mm 45.72mm 104.4 x 105.66 x 45.72mm 2850 rpm, 3400rpm - Ball - -
RS Stock No. 892-3403
Mfr. Part No.119151-51
BrandAmetek
kr 15 329,11
Each
Units
240 V ac Blower Ac 305.82m³/h Windjammer - Bypass 5.7" 150mm 150mm - - - - - - Brushless
RS Stock No. 892-3493
Mfr. Part No.119384-52
BrandAmetek
kr 6 388,03
Each
Units
24 V dc Blower DC 57.77m³/h Minijammer 5.0" 127mm 127mm 71.6mm 127 x 127 x 71.6mm - - - - Brushless
RS Stock No. 892-3576
Mfr. Part No.150403-50
BrandAmetek
kr 9 473,34
Each
Units
24 V dc Blower DC 214.87m³/h Windjammer - Bypass 5.7" 149.4mm 149.4mm 131.1mm 149.4 x 149.4 x 131.1mm - - - - Brushless
RS Stock No. 892-1671
Mfr. Part No.DR101Y9M/038936
BrandAmetek
kr 23 256,32
Each
Units
115 V ac, 230 V ac Regenerative AC 51.73m³/h DR101 211mm 199mm 292mm 199 x 211 x 292mm - - - - -
RS Stock No. 892-2078
Mfr. Part No.SE2B21 (081901)
BrandAmetek
kr 6 224,20
Each
Units
110 V ac, 115 V ac Regenerative SPA AC 5.8m³/h Minispiral 105.66mm 104.4mm 45.72mm 104.4 x 105.66 x 45.72mm 2850 rpm, 3400rpm - Ball - -
RS Stock No. 892-3421
Mfr. Part No.119153-51
BrandAmetek
kr 14 974,70
Each
Units
240 V ac Blower Ac 237.68m³/h Windjammer - Bypass 5.7" 150mm 150mm - - - - - - Brushless
RS Stock No. 892-1914
Mfr. Part No.EN858BD72WL/038744
BrandAmetek
kr 101 106,41
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. 892-3431
Mfr. Part No.119155-52
BrandAmetek
kr 15 483,27
Each
Units
240 V ac Blower Ac 455.33m³/h Windjammer - Bypass 5.7" 150mm 150mm - - - - - - Brushless
RS Stock No. 892-3605
Mfr. Part No.150524-00
BrandAmetek
kr 11 985,61
Each
Units
240 V ac Blower Ac 270.99m³/h Nautilair 7.6" 189.5mm 204.22mm 138.4mm 204.22 x 189.5 x 138.4mm - - - - Brushless
RS Stock No. 892-3471
Mfr. Part No.119379-05
BrandAmetek
kr 9 085,56
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. 892-3566
Mfr. Part No.150400-50
BrandAmetek
kr 12 307,84
Each
Units
24 V dc Blower DC 221.74m³/h Windjammer - Bypass 5.7" 149.4mm 149.4mm 153.5mm 149.4 x 149.4 x 153.5mm - - - - Brushless
RS Stock No. 892-3465
Mfr. Part No.119378-01
BrandAmetek
kr 9 085,12
Each
Units
24 V dc Blower DC 74.76m³/h Minijammer 5.0" 127mm 127mm 71.6mm 127 x 127 x 71.6mm - - - - Brushless
RS Stock No. 892-3594
Mfr. Part No.150434-50
BrandAmetek
kr 9 372,13
Each
Units
24 V dc Blower DC 214.87m³/h Windjammer - Bypass 5.7" 149.4mm 149.4mm 131.1mm 149.4 x 149.4 x 131.1mm - - - - Brushless
RS Stock No. 892-3380
Mfr. Part No.119101-01
BrandAmetek
kr 13 724,27
Each
Units
120 V ac Blower Ac 238.76m³/h Windjammer - Bypass 5.7" 150mm 150mm 153.7mm 150 x 150 x 153.7mm - - - - Brushless
RS Stock No. 892-1738
Mfr. Part No.DR454R58M/080481
BrandAmetek
kr 36 115,99
Each
Units
115 V ac, 230 V ac Regenerative AC 200.28m³/h DR454 343mm 318mm 367mm 318 x 343 x 367mm - - Ball - -
RS Stock No. 892-3428
Mfr. Part No.119153-50
BrandAmetek
kr 18 428,76
Each
Units
240 V ac Blower Ac 237.68m³/h Windjammer - Bypass 5.7" 150mm 150mm - - - - - - Brushless
RS Stock No. 892-3459
Mfr. Part No.119350-51
BrandAmetek
kr 4 713,62
Each
Units
24 V dc Blower DC 34.98m³/h Microjammer 3.0" 74.7mm 86.8mm 70.4mm 86.8 x 74.7 x 70.4mm - - - - Brushless
RS Stock No. 892-3620
Mfr. Part No.150908-50
BrandAmetek
kr 4 951,81
Each
Units
24 V dc Blower DC 45.07m³/h Microjammer 3.0" 74.7mm 77.7mm 88.1mm 77.7 x 74.7 x 88.1mm - - - - Brushless