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. 826-1118
Mfr. Part No.D2E133-AM47-01
Brandebm-papst
kr 3 407,48
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. 223-095
Mfr. Part No.G2E140-AB17-50
Brandebm-papst
kr 3 560,21
Each
Units
240 V ac Centrifugal AC 230m³/h G2E140 261mm 226mm 130mm 261 x 226 x 130mm 1400rpm 58dB Ball 105 x 115mm -
RS Stock No. 860-0210
Mfr. Part No.R2E225-AC01-13
Brandebm-papst
kr 2 089,15
Each
Units
230 V Centrifugal AC - R2E225 - - - - - - Ball - -
RS Stock No. 892-1889
Mfr. Part No.DRS9BM72 (037032)
BrandAmetek
kr 160 152,87
Each
Units
230 V ac, 460 V ac Regenerative AC 667.6m³/h DRS9 806.5mm 254mm 554mm 254 x 806.5 x 554mm - - Ball - -
RS Stock No. 826-1102
Mfr. Part No.D1G133-AB29-14
Brandebm-papst
kr 7 212,64
Each
Units
24 V dc Centrifugal DC - D1G 133 - - - - 1780rpm - - - -
RS Stock No. 263-7828
Mfr. Part No.RL90-18/14N
Brandebm-papst
kr 656,67
Each
Units
24 V dc Centrifugal DC 40m³/h RL90 120.6mm 120.6mm 37.3mm 120.6 x 120.6 x 37.3mm 2500rpm 58dB Ball 104.8 x 100.8mm Electronic
RS Stock No. 860-0263
Mfr. Part No.RER133-41/14/2TDP
Brandebm-papst
kr 1 863,688
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. 802-9456
Mfr. Part No.R3G250-RE07-07
Brandebm-papst
kr 3 202,12
Each
Units
230 V ac Centrifugal AC 1430m³/h RadiCal - 250 (Dia.)mm 99mm 250 (Dia.) x 99mm 2510rpm - Ball - Electronic
RS Stock No. 617-4501
Mfr. Part No.FE1Q230-060-04
Brandebm-papst
kr 2 508,66
Each
Units
230 V ac Tangential AC 340m³/h FE1Q 169mm 483mm 88mm 169 x 483 x 88mm 2390rpm 54dB Ball 76.2 x 465.1mm -
RS Stock No. 332-5683
Mfr. Part No.QLZ06/1800 A297-2518L-93UK
Brandebm-papst
kr 679,80
Each
Units
230 V ac Tangential AC 130m³/h QLZ 96mm 251mm 83mm 96 x 251 x 83mm 1400rpm 40dB Sleeve 154 x 16.5mm -
RS Stock No. 126-442
Mfr. Part No.PMB2475PNB4-AY(2).GN
BrandSunon
kr 221,14
Each
Units
24 V dc Blower DC 7.5cfm PMB 75.7mm 75.7mm 30mm 75.7 x 75.7 x 30mm 1900rpm 28dB(A) Ball 61.8 x 48.2mm Brushless
RS Stock No. 233-9439
Mfr. Part No.G4E180-GS11-01
Brandebm-papst
kr 6 172,80
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. 175-7072
Mfr. Part No.QG030-303/14
Brandebm-papst
kr 968,81
Each
Units
24 V dc Tangential DC 139.4m³/h QG030 47.5mm 363mm 50mm 47.5 x 363 x 50mm 3900rpm 51dB Ball - Electronic
RS Stock No. 332-5706
Mfr. Part No.QLZ06/2400A47 -3020LH-25ZX
Brandebm-papst
kr 705,82
Each
Units
230 V ac Tangential AC 120m³/h QLZ 96mm 317mm 83mm 96 x 317 x 83mm 1100rpm 33dB Sleeve - -
RS Stock No. 876-5162
Mfr. Part No.D3G133-BF05-14
Brandebm-papst
kr 1 886,47
Each
Units
- Centrifugal - - D3G133 - - - - - - Ball - -
RS Stock No. 825-7683
Mfr. Part No.R2E220-AB06-05
Brandebm-papst
kr 1 659,88
Each
Units
230 V ac Centrifugal AC 900 m³/h, 990 m³/h R2E220 - 220mm 71mm 220 (Dia.) x 71 Dmm 2700 rpm, 3050 rpm 74 dB(A), 75 dB(A) Ball - -
RS Stock No. 826-1133
Mfr. Part No.D2E146-CD51-23
Brandebm-papst
kr 4 147,82
Each
Units
230 V Centrifugal AC - D2E 146 - - - - - - - - -
RS Stock No. 263-7834
Mfr. Part No.RL90-18/12N
Brandebm-papst
kr 399,97
Each
Units
12 V dc Centrifugal DC 40m³/h RL90 120.6mm 120.6mm 37.3mm 120.6 x 120.6 x 37.3mm 2500rpm 58dB Ball 104.8 x 100.8mm Electronic
RS Stock No. 860-0245
Mfr. Part No.R2E220-RA38-13
Brandebm-papst
kr 1 212,352
Each (In a Pack of 5)
Units
230 V Centrifugal AC - R2E220 - - - - - - Ball - -
RS Stock No. 468-4725
Mfr. Part No.RL90-18/56
Brandebm-papst
kr 813,89
Each
Units
230 V ac Centrifugal AC 40m³/h RL90 120.6mm 120.6mm 37mm 120.6 x 120.6 x 37mm 2450rpm 56dB Ball 104.8 x 100.8mm -
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