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. 825-7790
Mfr. Part No.R4D450-AL01-05
Brandebm-papst
TWD30,788.00
Each
units
- Centrifugal AC - R4D450 - 450mm - - 1350 rpm, 1380 rpm - Ball - -
RS Stock No. 332-4107
Mfr. Part No.G2E120-AR77-A6
Brandebm-papst
TWD7,202.00
Each
units
230 V ac Centrifugal AC 255m³/h G2E120 184mm 178mm 115mm 184 x 178 x 115mm 2350rpm 61dB Ball 68 x 100mm -
RS Stock No. 892-2096
Mfr. Part No.SL2P90/036018
BrandAmetek
TWD146,481.00
Each
units
380 V ac, 460 V ac Regenerative SPA AC 100.14m³/h SPIRAL Simplex SL2 253.2mm 309.1mm 199.1mm 309.1 x 253.2 x 199.1mm - - Ball 44.5 x 76.2mm -
RS Stock No. 892-3478
Mfr. Part No.119378-52
BrandAmetek
TWD19,724.00
Each
units
24 V dc Blower DC 71.29m³/h Minijammer 5.0" 127mm 127mm 71.6mm 127 x 127 x 71.6mm - - - - Brushless
RS Stock No. 892-1857
Mfr. Part No.DR757D86X/081171
BrandAmetek
TWD210,497.00
Each
units
575 V ac Regenerative AC 550.77m³/h DR757 443mm 426mm 471mm 426 x 443 x 471mm - - Ball - -
RS Stock No. 892-3591
Mfr. Part No.150419-50
BrandAmetek
TWD34,006.00
Each
units
48 V dc Blower DC 214.87m³/h Windjammer - Thruflow 5.7" 149.4mm 149.4mm 105.7mm 149.4 x 149.4 x 105.7mm - - - - Brushless
RS Stock No. 892-3623
Mfr. Part No.150918-50
BrandAmetek
TWD12,638.00
Each
units
12 V dc Blower DC 39.31m³/h Microjammer 3.0" 74.7mm 77.7mm 88.1mm 77.7 x 74.7 x 88.1mm - - - - Brushless
RS Stock No. 892-1674
Mfr. Part No.DR101Y72M/038937
BrandAmetek
TWD57,169.00
Each
units
230 V ac, 460 V ac Regenerative AC 51.73m³/h DR101 211mm 199mm 292mm 199 x 211 x 292mm - - - - -
RS Stock No. 892-1891
Mfr. Part No.EN404AR58ML/038173
BrandAmetek
TWD97,196.00
Each
units
115 V ac, 230 V ac Regenerative AC 166.9m³/h EN404 416.8mm 257.3mm 311.2mm 257.3 x 416.8 x 311.2mm - - Ball - -
RS Stock No. 860-0273
Mfr. Part No.R3G310-AN43-71
Brandebm-papst
TWD28,713.00
Each
units
48 V dc Centrifugal DC 2230m³/h R3G310 - - 119.5mm 318 (Dia.) x 119.5mm 2000rpm 71dB(A) Ball - Electronic
RS Stock No. 825-7857
Mfr. Part No.RER120-26/18/2TDP
Brandebm-papst
TWD6,460.00
Each
units
48 V dc Centrifugal DC 390m³/h RER120 - 120mm 54mm 120 (Dia.) x 54 Dmm 6300rpm 83dB Ball - -
RS Stock No. 825-7765
Mfr. Part No.R2S133-AE17-22
Brandebm-papst
TWD3,413.00
Each
units
230 V ac Centrifugal AC 320m³/h R2S133 - 133mm 91mm 133 (Dia.) x 91 Dmm 3200rpm 58dB(A) Ball - -
RS Stock No. 825-7611
Mfr. Part No.R1G225-AF11-52
Brandebm-papst
TWD10,126.00
Each
units
48 V dc Centrifugal DC 1130m³/h R1G225 - 225.3mm 99mm 225.3 (Dia.) x 99 Dmm 2700rpm 67dB(A) Ball - Electronic
RS Stock No. 771-9114
Mfr. Part No.QG030-148/14
Brandebm-papst
TWD3,483.00
Each
units
24 V dc Tangential DC 75m³/h QG030 47.5mm 50mm 201mm 47.5 x 50 x 201mm - 49dB(A) Ball - Electronic
RS Stock No. 826-1111
Mfr. Part No.D2E133-AM47-A3
Brandebm-papst
TWD12,396.00
Each
units
230 V Centrifugal AC 700m³/h D2E 133 180mm 254mm 171.5mm 180 x 254 x 171.5mm 2100rpm 59dB Ball 92 x 238mm Electronic
RS Stock No. 825-7780
Mfr. Part No.R3G310-A052-01
Brandebm-papst
TWD33,196.00
Each
units
230 V ac Centrifugal AC 2620m³/h R3G310 - 310mm - - 1500 rpm, 1925 rpm, 2000 rpm 71dB(A) Ball - -
RS Stock No. 892-1879
Mfr. Part No.DR909BB72W/081738
BrandAmetek
TWD407,436.00
Each
units
230 V ac, 460 V ac Regenerative AC 1001.4m³/h DR909 482mm 514.4mm 593.8mm 514.4 x 482 x 593.8mm - - Ball - -
RS Stock No. 860-0282
Mfr. Part No.R2E150-AN89-11
Brandebm-papst
TWD6,040.70
Each (In a Pack of 10)
units
115 V ac Centrifugal AC - R2E150 - - - - - - Ball - -
RS Stock No. 180-3020
Mfr. Part No.TF037C-2100-F
TWD54,004.00
1 Box of 12
Box(es)
24 V dc Blower DC 1.6L/s TF037C 50.5mm 40.4mm 54mm 40.4 x 50.5 x 54mm 40000rpm 67dB(A) Ball - Brushless
RS Stock No. 223-089
Mfr. Part No.G2E108-AA01-50
Brandebm-papst
TWD6,516.00
Each
units
240 V ac Centrifugal AC 155m³/h G2E108 168mm 159mm 115mm 168 x 159 x 115mm 1650rpm 58dB Ball 66 x 97mm -