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. 825-7879
Mfr. Part No.RER190-45/18/2TDP
Brandebm-papst
TWD8,199.00
Each
units
48 V dc Centrifugal DC 970m³/h RER190 - 190mm 69mm 190 (Dia.) x 69 Dmm - - Ball - -
RS Stock No. 243-6417
Mfr. Part No.QG030-198/14
Brandebm-papst
TWD3,699.00
Each
units
24 V dc Tangential DC 100m³/h QG030 47.5mm 258mm 50mm 47.5 x 258 x 50mm 4250rpm 51dB Ball - Electronic
RS Stock No. 841-4905
Mfr. Part No.G2E180-EH03-01
Brandebm-papst
TWD15,770.00
Each
units
230 V ac Centrifugal AC 755m³/h G2E180 283mm 261mm 125mm 283 x 261 x 125mm 1950rpm - Ball 120 x 110mm Electronic
RS Stock No. 825-7608
Mfr. Part No.R1G190-AB27-02
Brandebm-papst
TWD8,000.00
Each
units
24 V dc Centrifugal DC 620m³/h R1G190 - 190mm 68.5mm 190 (Dia.) x 68.5 Dmm 2950rpm 68dB(A) Ball - Electronic
RS Stock No. 825-7730
Mfr. Part No.R2E250-AW50-05
Brandebm-papst
TWD9,893.00
Each (In a Pack of 10)
units
230 V ac Centrifugal AC 1780m³/h R2E250 - 250mm 141mm 250 (Dia.) x 141 Dmm 2650rpm 72dB(A) Ball - -
RS Stock No. 826-1152
Mfr. Part No.D4E180-CA02-36
Brandebm-papst
TWD20,977.00
Each
units
230 V Centrifugal AC - D4E 180 - - - - - - - - -
RS Stock No. 892-1784
Mfr. Part No.DR523K86/037772
BrandAmetek
TWD157,004.00
Each
units
575 V ac Regenerative AC 140.19m³/h DR523 409.5mm 358.1mm - - - - Ball - -
RS Stock No. 826-1216
Mfr. Part No.EE1G-230-180-04
Brandebm-papst
TWD13,982.00
Each
units
230 V Centrifugal AC - EE1G - - - - - - - - -
RS Stock No. 871-9686
Mfr. Part No.R2D180-AL10-13
Brandebm-papst
TWD8,992.00
Each (In a Pack of 10)
units
- Centrifugal AC - R2D180 - 180mm - - - - - - -
RS Stock No. 825-7869
Mfr. Part No.RER160-28/12N
Brandebm-papst
TWD4,646.00
Each
units
12 V dc Centrifugal DC 225m³/h RER160 - 165.1mm 51mm 165.1 (Dia.) x 51 Dmm 3000rpm 64dB Ball - -
RS Stock No. 250-943
Mfr. Part No.RLF35-8/12N
Brandebm-papst
TWD774.00
Each
units
12 V dc Centrifugal DC 9.6m³/h RLF35 51mm 51mm 15mm 51 x 51 x 15mm 6700rpm 55dB Ball 43 x 38mm Electronic
RS Stock No. 892-1898
Mfr. Part No.EN303AG58L/038172
BrandAmetek
TWD134,902.00
Each
units
115 V ac, 230 V ac Regenerative AC 91.79m³/h EN303 305.8mm 244.1mm 274.8mm 244.1 x 305.8 x 274.8mm - - Ball - -
RS Stock No. 892-3572
Mfr. Part No.150402-50
BrandAmetek
TWD26,416.00
Each
units
24 V dc Blower DC 107.04m³/h Windjammer - Bypass 5.7" 149.4mm 149.4mm 187.5mm 149.4 x 149.4 x 187.5mm - - - - Brushless
RS Stock No. 126-414
Mfr. Part No.GB1205PKV1-8AY.GN
BrandSunon
TWD377.00
Each
units
12 V dc Blower DC 5.7cfm GB 50mm 50mm 20mm 50 x 50 x 20mm 5200rpm 35dB(A) Vapo 43 x 40mm Brushless
RS Stock No. 892-3614
Mfr. Part No.150531-50
BrandAmetek
TWD69,386.00
Each
units
120 V ac Blower Ac - Nautilair 12.3" 314.73mm 332.83mm 222.25mm 332.83 x 314.73 x 222.25mm - - - - Brushless
RS Stock No. 825-7838
Mfr. Part No.R4E310-AQ29-11
Brandebm-papst
TWD10,526.00
Each
units
115 V ac Centrifugal AC 2380m³/h R4E310 - 310mm - - 1650rpm 66dB(A) Ball - -
RS Stock No. 892-2074
Mfr. Part No.SE24V21 (037434)
BrandAmetek
TWD68,068.00
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. 251-031
Mfr. Part No.RER101-36/14NHH
Brandebm-papst
TWD3,003.00
Each
units
24 V dc Centrifugal DC 190m³/h RER101 - 101mm 51.7mm 101 x 51.7mm 5900rpm 74dB Ball - Electronic
RS Stock No. 332-5734
Mfr. Part No.QLZ06/3000A105-3038LH-63
Brandebm-papst
TWD2,419.00
Each
units
230 V ac Tangential AC 230m³/h QLZ 96mm 395mm 83mm 96 x 395 x 83mm 1600rpm 48dB Sleeve - -
RS Stock No. 802-9456
Mfr. Part No.R3G250-RE07-07
Brandebm-papst
TWD10,931.00
Each
units
230 V ac Centrifugal AC 1430m³/h RadiCal - 250 (Dia.)mm 99mm 250 (Dia.) x 99mm 2510rpm - Ball - Electronic