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. 185-4552
Mfr. Part No.9BMC12P2G001
TWD1,486.00
Each
units
12 V dc Blower Dc 65.3cfm San Ace B97 97mm 97mm 33mm 97 x 97 x 33mm 8200rpm 69dB(A) - 71 x 71mm -
RS Stock No. 860-0241
Mfr. Part No.R2E220-RA44-14
Brandebm-papst
TWD4,515.00
Each (In a Pack of 5)
units
115 V Centrifugal AC - R2E220 - - - - - - Ball - -
RS Stock No. 826-1266
Mfr. Part No.G2E120-AR38-01
Brandebm-papst
TWD16,089.00
Each
units
230 V Centrifugal AC - G2E120 - - - - - - - - -
RS Stock No. 825-7901
Mfr. Part No.RG160-28/14NTDH
Brandebm-papst
TWD11,312.00
Each
units
24 V dc Centrifugal DC 370m³/h RG160 220mm 220mm 56mm 220 x 220 x 56mm 5000rpm 78dB Ball 203 x 203mm -
RS Stock No. 233-9439
Mfr. Part No.G4E180-GS11-01
Brandebm-papst
TWD21,065.00
Each
units
230 V ac Centrifugal AC 910m³/h G4E180 332mm 296mm 183mm 332 x 296 x 183mm 1170rpm 66dB Ball 258 x 163mm -
RS Stock No. 892-1762
Mfr. Part No.DR505K58M/081882
BrandAmetek
TWD208,729.00
Each
units
115 V ac, 230 V ac Regenerative AC 250.35m³/h DR505 366.5mm 345.2mm 431mm 345.2 x 366.5 x 431mm - - Ball - -
RS Stock No. 860-0210
Mfr. Part No.R2E225-AC01-13
Brandebm-papst
TWD11,148.00
Each
units
230 V Centrifugal AC - R2E225 - - - - - - Ball - -
RS Stock No. 825-7825
Mfr. Part No.R4E310-AP15-11
Brandebm-papst
TWD13,601.00
Each
units
115 V ac Centrifugal AC 2380m³/h R4E310 - 310mm - - 1650rpm 66dB(A) Ball - -
RS Stock No. 860-0263
Mfr. Part No.RER133-41/14/2TDP
Brandebm-papst
TWD6,737.00
Each (In a Pack of 5)
units
24 V dc Centrifugal DC 565m³/h RER133 - - 91mm 133 (Dia.) x 91mm 6000rpm - Ball - -
RS Stock No. 892-1839
Mfr. Part No.DR656K72X/080602
BrandAmetek
TWD165,274.00
Each
units
230 V ac, 460 V ac Regenerative AC 130.18m³/h DR656 382.5mm 390.5mm 406.4mm 390.5 x 382.5 x 406.4mm - - Ball - -
RS Stock No. 826-1269
Mfr. Part No.G2D160-AF02-01
Brandebm-papst
TWD19,536.00
Each
units
- Centrifugal AC - G2D 160 - - - - - - - - -
RS Stock No. 826-1216
Mfr. Part No.EE1G-230-180-04
Brandebm-papst
TWD13,574.00
Each
units
230 V Centrifugal AC - EE1G - - - - - - - - -
RS Stock No. 892-1826
Mfr. Part No.DR656CK72X/080582
BrandAmetek
TWD150,296.00
Each
units
230 V ac, 460 V ac Regenerative AC 350.49m³/h DR656 382.5mm 390.5mm 444.5mm 390.5 x 382.5 x 444.5mm - - Ball - -
RS Stock No. 144-4135
BrandRS PRO
TWD615.00
Each
units
12 V dc Blower DC 2.4cfm - - 51.11mm 15mm - 3500rpm 32dB(A) Ball - Brushless
RS Stock No. 892-1719
Mfr. Part No.DR353BR72M/080555
BrandAmetek
TWD93,782.00
Each
units
230 V ac, 460 V ac Regenerative AC 166.9m³/h DR353 311mm 292mm 317mm 292 x 311 x 317mm - - - - -
RS Stock No. 892-3459
Mfr. Part No.119350-51
BrandAmetek
TWD14,300.00
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. 825-7724
Mfr. Part No.R2E225-BE51-13
Brandebm-papst
TWD7,902.00
Each
units
115 V ac Centrifugal AC - R2E225 - 225mm 107mm 225 (Dia.) x 107 Dmm 3000rpm >70dB(A) Ball - -
RS Stock No. 826-1297
Mfr. Part No.G2E146-BF05-29
Brandebm-papst
TWD14,784.00
Each
units
115 V Centrifugal AC - G2E 146 - - - - - - - - -
RS Stock No. 860-0245
Mfr. Part No.R2E220-RA38-13
Brandebm-papst
TWD4,738.40
Each (In a Pack of 5)
units
230 V Centrifugal AC - R2E220 - - - - - - Ball - -
RS Stock No. 920-9209
Mfr. Part No.RER220-43/18/2TDMO
Brandebm-papst
TWD4,940.00
Each
units
48 V dc Centrifugal DC 1063m³/h RER220 - 220 (Dia.)mm 71mm 220 (Dia.) 71mm 3000rpm - Ball - -