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. 892-1738
Mfr. Part No.DR454R58M/080481
BrandAmetek
TWD120,276.00
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. 892-1829
Mfr. Part No.DR656CK86X/080583
BrandAmetek
TWD200,810.00
Each
units
575 V ac Regenerative AC 350.49m³/h DR656 382.5mm 390.5mm - - - - Ball - -
RS Stock No. 825-7734
Mfr. Part No.R2E250-RA50-09
Brandebm-papst
TWD13,884.00
Each
units
230 V ac Centrifugal AC 1335 m³/h, 1780 m³/h R2E250 - 250mm - - 2700 rpm, 2750 rpm 72 dB(A), 76 dB(A) Ball - -
RS Stock No. 825-7813
Mfr. Part No.R4E310-AL11-01
Brandebm-papst
TWD22,446.00
Each
units
230 V ac Centrifugal AC 2380m³/h R4E310 - 310mm - - 1650rpm 66dB(A) Ball - -
RS Stock No. 826-1250
Mfr. Part No.G1G146-BA07-52
Brandebm-papst
TWD17,732.00
Each
units
24 V dc Centrifugal DC - G1G 146 - - - - - - - - -
RS Stock No. 498-8550
Mfr. Part No.R2E 180-AS77-05
Brandebm-papst
TWD3,769.00
Each
units
230 V ac Centrifugal AC 570m³/h R2E180 180mm 180mm 78mm 180 (Dia.) x 78mm 2300rpm 63dB Ball 58 x 58mm -
RS Stock No. 825-7601
Mfr. Part No.R1G190-AC11-52
Brandebm-papst
TWD15,262.00
Each
units
48 V dc Centrifugal DC 560m³/h R1G190 - 190mm 68.5mm 190 (Dia.) x 68.5 Dmm 3250rpm 68dB(A) Ball - Electronic
RS Stock No. 825-7857
Mfr. Part No.RER120-26/18/2TDP
Brandebm-papst
TWD6,589.00
Each
units
48 V dc Centrifugal DC 390m³/h RER120 - 120mm 54mm 120 (Dia.) x 54 Dmm 6300rpm 83dB Ball - -
RS Stock No. 892-3541
Mfr. Part No.150166
BrandAmetek
TWD24,543.00
Each
units
12 V dc Blower DC 64.22m³/h Minijammer 5.0" 127mm 127mm 71.6mm 127 x 127 x 71.6mm - - - - Brushless
RS Stock No. 841-4902
Mfr. Part No.D4E225-CC01-54
Brandebm-papst
TWD29,502.00
Each
units
230 V Centrifugal AC 2615m³/h D4E 225 370mm 327mm 341mm 370 x 327 x 341mm 1090rpm - Ball 284 x 321mm Electronic
RS Stock No. 126-420
Mfr. Part No.PMB1297PYB1-AY(2).GN
BrandSunon
TWD791.00
Each
units
12 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 Stock No. 892-1716
Mfr. Part No.DR353BR9M/080554
BrandAmetek
TWD86,177.00
Each
units
115 V ac, 230 V ac Regenerative AC 166.9m³/h DR353 311mm 292mm 355mm 292 x 311 x 355mm - - - - -
RS Stock No. 892-1687
Mfr. Part No.DR14RDNT/081475
BrandAmetek
TWD348,584.00
Each
units
- Remote Drive Regenerative - 1468.72m³/h DR14RD 674.1mm 592.3mm 250.7mm 592.3 x 674.1 x 250.7mm - - - - -
RS Stock No. 892-1728
Mfr. Part No.DR404AL72M/037406
BrandAmetek
TWD101,492.00
Each
units
230 V ac, 460 V ac Regenerative AC 175.24m³/h DR404 309.4mm 292.1mm 360.2mm 292.1 x 309.4 x 360.2mm - - Ball - -
RS Stock No. 826-1427
Mfr. Part No.QG030-148/14R
Brandebm-papst
TWD3,458.00
Each
units
24 V dc Tangential DC - QG030 - - - - - - - - -
RS Stock No. 251-126
Mfr. Part No.REF100-11/12
Brandebm-papst
TWD2,233.00
Each
units
12 V dc Centrifugal DC 86m³/h REF100 - 104mm 24.9mm - 5400rpm 63dB Ball - Electronic
RS Stock No. 892-2074
Mfr. Part No.SE24V21 (037434)
BrandAmetek
TWD83,536.00
Each
units
24 → 32 V dc Regenerative SPA DC 12.18m³/h Minispiral MDC 45.72mm 104.4mm 105.66mm 104.4 x 45.72 x 105.66mm 5500 → 6800rpm - Ball - -
RS Stock No. 191-9308
Mfr. Part No.9BFB24P2H003
TWD2,497.00
Each
units
24 V dc Blower DC 56.5cfm San Ace B120 120mm 120mm 32mm 120 x 120 x 32mm 3750rpm 62dB(A) - 105 x 105mm -
RS Stock No. 434-9832
Mfr. Part No.QLK45/2400A32-2524L-58
Brandebm-papst
TWD2,586.00
Each
units
230 V ac Tangential AC 190m³/h QLK 79mm 331mm 71mm 79 x 331 x 71mm 2300rpm - - 212 x 16.5mm -
RS Stock No. 180-3034
Mfr. Part No.TF029B-1000-F
TWD10,052.00
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