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. 825-7756
Mfr. Part No.R2E280-AE52-05
Brandebm-papst
TWD12,766.00
Each
units
230 V ac Centrifugal AC 2110m³/h R2E280 - 280mm 125mm 280 (Dia.) x 125 Dmm 2700rpm 76dB(A) Ball - -
RS Stock No. 381-1320
Mfr. Part No.U97EM-024KK-3
BrandMicronel
TWD4,565.00
Each
units
24 V dc Blower DC 9L/s U97EM 136mm 98mm 105mm 98 x 136 x 105mm 10500rpm 60dB(A) Ball - -
RS Stock No. 825-7673
Mfr. Part No.R2E220-AA40-B8
Brandebm-papst
TWD7,351.00
Each
units
230 V ac Centrifugal AC - R2E220 - 221.4mm 71mm 221.4 (Dia.) x 71 Dmm 2700rpm 70dB(A) Ball - -
RS Stock No. 468-4668
Mfr. Part No.RL48-19/14
Brandebm-papst
TWD1,302.00
Each
units
24 V dc Centrifugal DC 28m³/h RL48 75.5mm 75.2mm 27mm 75.5 x 75.2 x 27mm 4400rpm 57dB Ball 67.1 x 45.7mm Electronic
RS Stock No. 243-6445
Mfr. Part No.G2G085-AB02-01
Brandebm-papst
TWD6,394.00
Each
units
24 V dc Centrifugal DC 80m³/h G2G085 117mm 127mm 76mm 117 x 127 x 76mm 2500rpm 53dB Ball 58 x 66mm Electronic
RS Stock No. 825-7908
Mfr. Part No.RL65-21/12/2
Brandebm-papst
TWD2,253.00
Each
units
12 V dc Centrifugal DC 56m³/h RL65 93.5mm 97mm 33mm 93.5 x 97 x 33mm 4500rpm 66dB Ball 71 x 71mm -
RS Stock No. 825-7582
Mfr. Part No.R1G175-AB41-02
Brandebm-papst
TWD9,692.00
Each
units
48 V dc Centrifugal DC 565m³/h R1G175 - 175mm 69mm 175 (Dia.) x 69 Din 3100rpm 65dB(A) Ball - Electronic
RS Stock No. 251-132
Mfr. Part No.REF100-11/14
Brandebm-papst
TWD2,054.00
Each
units
24 V dc Centrifugal DC 86m³/h REF100 - 104mm 24.9mm - 5400rpm 63dB Ball - Electronic
RS Stock No. 468-4652
Mfr. Part No.RL48-19/12
Brandebm-papst
TWD882.00
Each
units
12 V dc Centrifugal DC 28m³/h RL48 75.5mm 75.2mm 27mm 75.5 x 75.2 x 27mm 4400rpm 57dB Ball 67.1 x 45.7mm Electronic
RS Stock No. 920-9206
Mfr. Part No.RER190-39/14/2TDMO
Brandebm-papst
TWD5,755.00
Each
units
24 V dc Centrifugal DC 860m³/h RER190 - 190 (Dia.)mm 69mm 190 (Dia.) 69mm 3900rpm - Ball - -
RS Stock No. 841-4886
Mfr. Part No.D2E146-HT59-02
Brandebm-papst
TWD7,752.00
Each
units
230 V Centrifugal AC 910m³/h D2E 146 216mm 220mm 199mm 216 x 220 x 199mm 1600rpm - Ball 138 x 110mm Electronic
RS Stock No. 892-3396
Mfr. Part No.119104-01
BrandAmetek
TWD37,677.00
Each
units
120 V ac Blower Ac 222.57m³/h Windjammer - Bypass 5.7" 150mm 150mm 176.3mm 150 x 150 x 176.3mm - - - - Brushless
RS Stock No. 825-7649
Mfr. Part No.R2E180-AT38-10
Brandebm-papst
TWD4,895.00
Each
units
- Centrifugal AC - R2E180 - 180mm - - - - Ball - -
RS Stock No. 825-7585
Mfr. Part No.R1G133-AA17-02
Brandebm-papst
TWD4,928.00
Each
units
24 V dc Centrifugal DC 360m³/h R1G133 - 133mm 91mm 133 (Dia.) x 91 Dmm 3900rpm 63dB(A) Ball - Electronic
RS Stock No. 892-3465
Mfr. Part No.119378-01
BrandAmetek
TWD27,313.00
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. 825-7891
Mfr. Part No.RG160-28/14NTDA
Brandebm-papst
TWD7,148.00
Each
units
24 V dc Centrifugal DC 308m³/h RG160 220mm 220mm 56mm 220 x 220 x 56mm 4200rpm 75dB Ball 203 x 203mm -
RS Stock No. 217-4210
Mfr. Part No.R2E225-AT51-05
Brandebm-papst
TWD6,323.00
Each
units
230 V ac Centrifugal AC 825m³/h R2E225 - 225mm 69mm - 2650rpm 70dB Ball - -
RS Stock No. 221-061
Mfr. Part No.RG90-18/14N
Brandebm-papst
TWD1,794.00
Each
units
24 V dc Centrifugal DC 55m³/h RG90 135mm 135mm 38mm 135 x 135 x 38mm 2200rpm 55dB Ball 122 x 122mm Electronic
RS Stock No. 217-4197
Mfr. Part No.R2E180-CB28-01
Brandebm-papst
TWD4,476.00
Each
units
230 V ac Centrifugal AC 450m³/h R2E180 - 180mm 54.5mm - 2550rpm 64dB Ball - -
RS Stock No. 126-111
Mfr. Part No.PMB2412PLB2-A(2).GN
BrandSunon
TWD1,210.00
Each
units
24 V dc Blower DC 35.9cfm PMB 120mm 120mm 32mm 120 x 120 x 32mm 2500rpm 53.8dB(A) Ball 105 x 105mm Brushless