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. 830-3029
Mfr. Part No.R2E225-RA92-09
Brandebm-papst
€170.87
Each
units
230 V ac Centrifugal AC 1195m³/h R2E225 - 225 (Dia.)mm 99mm 225 (Dia.) x 99mm 2500rpm - Ball - -
RS Stock No. 332-4113
Mfr. Part No.G2E140-AI28-A5
Brandebm-papst
€405.29
Each
units
230 V ac Centrifugal AC 485m³/h G2E140 247mm 226mm 130mm 247 x 226 x 130mm 2400rpm 72dB Ball - -
RS Stock No. 739-6572
Mfr. Part No.SPD24B1QDN 19032364A
€73.65
Each
units
24 V dc Blower DC 60cfm Spinnaker 161mm 161mm 50mm 161 x 161 x 50mm 2500rpm 57dB(A) Ball 127.9 x 144.27mm Brushless
RS Stock No. 217-4181
Mfr. Part No.R2E133-BH66-05
Brandebm-papst
€132.87
Each
units
230 V ac Centrifugal AC 290m³/h R2E - 133mm 91mm - 2800rpm 56dB Ball - -
RS Stock No. 250-864
Mfr. Part No.RV40-18/12H
Brandebm-papst
€47.23
Each
units
12 V dc Centrifugal DC 24m³/h RV40 77.3mm 102.44mm 58.8mm 77.3 x 102.44 x 58.85mm 4800rpm 50dB Ball - Electronic
RS Stock No. 825-7765
Mfr. Part No.R2S133-AE17-22
Brandebm-papst
€101.04
Each
units
230 V ac Centrifugal AC 320m³/h R2S133 - 133mm 91mm 133 (Dia.) x 91 Dmm 3200rpm 58dB(A) Ball - -
RS Stock No. 126-436
Mfr. Part No.PMB1212PLB2-A(2).GN
BrandSunon
€32.62
Each
units
12 V dc Blower DC 35.9cfm PMB 120mm 120mm 32mm 120 x 120 x 32mm 2500rpm 53.8dB(A) Ball 105 x 105mm Brushless
RS Stock No. 468-4668
Mfr. Part No.RL48-19/14
Brandebm-papst
€36.23
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. 841-4886
Mfr. Part No.D2E146-HT59-02
Brandebm-papst
€268.77
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. 826-1109
Mfr. Part No.D2E097-CB01-02
Brandebm-papst
€224.20
Each
units
230 V Centrifugal AC - D2E 097 - - - - - - - - -
RS Stock No. 175-7066
Mfr. Part No.QG030-148/12
Brandebm-papst
€94.08
Each
units
12 V dc Tangential DC 75m³/h QG030 47.5mm 201mm 50mm 47.5 x 201 x 50mm 4400rpm 49dB Ball - Electronic
RS Stock No. 332-4107
Mfr. Part No.G2E120-AR77-A6
Brandebm-papst
€200.20
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. 825-7831
Mfr. Part No.R4E355-AF05-09
Brandebm-papst
€367.64
Each
units
230 V ac Centrifugal AC 2740 m³/h, 3190 m³/h R4E355 - 355mm 170.5mm 355 (Dia.) x 170.5 Dmm 1630rpm 68 dB(A), 70 dB(A) Ball - -
RS Stock No. 332-5699
Mfr. Part No.QLZ06/1800-A304-2524LH-72
Brandebm-papst
€63.65
Each
units
230 V ac Tangential AC 150m³/h QLZ 96mm 257mm 83mm 96 x 257 x 83mm 1700rpm 48dB Sleeve - -
RS Stock No. 825-7734
Mfr. Part No.R2E250-RA50-09
Brandebm-papst
€369.63
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. 223-089
Mfr. Part No.G2E108-AA01-50
Brandebm-papst
€147.42
Each
units
240 V ac Centrifugal AC 155m³/h G2E108 168mm 159mm 115mm 168 x 159 x 115mm 1650rpm 58dB Ball 66 x 97mm -
RS Stock No. 825-7667
Mfr. Part No.R2E220-AA40-23
Brandebm-papst
€128.41
Each
units
230 V ac Centrifugal AC - R2E220 - 221.4mm 71mm 221.4 (Dia.) x 71 Dmm 2700rpm >70dB(A) Ball - -
RS Stock No. 217-4210
Mfr. Part No.R2E225-AT51-05
Brandebm-papst
€234.81
Each
units
230 V ac Centrifugal AC 825m³/h R2E225 - 225mm 69mm - 2650rpm 70dB Ball - -
RS Stock No. 826-1137
Mfr. Part No.D2E146-HT65-14
Brandebm-papst
€294.21
Each
units
115 V ac Centrifugal AC - D2E 146 - - - - - - - - -
RS Stock No. 332-4078
Mfr. Part No.D2E097-BI56-50
Brandebm-papst
€200.20
Each
units
230 V ac Centrifugal AC 435m³/h D2E 097 165mm 146mm 162mm 165 x 162 x 146mm 1950rpm 58dB Ball 88 x 168mm -
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