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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Beskrivning Pris 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
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12 V dc Blower DC 7.45cfm - - - 15.2mm - 5000rpm 44dB(A) Ball - Brushless
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12 V dc Blower DC 30cfm - 120mm 120mm 31mm 120 x 120 x 31mm 2700rpm 49dB(A) Ball - Brushless
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12 V dc Blower DC 4.2cfm - - 51.11mm 15mm - 5500rpm 38dB(A) Ball - Brushless
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24 V dc Blower DC 10cfm - 75mm 75mm 30mm 75 x 75 x 30mm 3000rpm 38dB(A) Ball - Brushless
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24 V dc Blower DC 30cfm - 120mm 120mm 31mm 120 x 120 x 31mm 3000rpm 49dB(A) Ball - Brushless
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12 V dc Blower DC 2.4cfm - - 51.11mm 15mm - 3500rpm 32dB(A) Ball - Brushless
RS-artikelnummer 825-7673
Tillv. art.nrR2E220-AA40-B8
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230 V ac Centrifugal AC - R2E220 - 221.4mm 71mm 221.4 (Dia.) x 71 Dmm 2700rpm >70dB(A) Ball - -
RS-artikelnummer 468-4668
Tillv. art.nrRL48-19/14
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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
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Tillv. art.nrG2E120-AR77-01
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230 V ac Centrifugal AC 260m³/h G2E120 184mm 178mm 115mm 184 x 178 x 115mm 2350rpm 61dB Ball 68 x 100mm -
RS-artikelnummer 826-1301
Tillv. art.nrG4E180-AB09-15
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115 V Centrifugal AC - G4E180 - - - - - - - - -
RS-artikelnummer 217-4254
Tillv. art.nrR2S175-AB56-01
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230 V ac Centrifugal AC 445m³/h R2S175 - 175mm 69mm - 2350rpm 61dB Ball - -
RS-artikelnummer 825-7614
Tillv. art.nrR1G220-AB35-52
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24 V dc Centrifugal DC 1055m³/h R1G220 - 220.9mm 71mm 220.9 (Dia.) x 71 Dmm 3150rpm 76dB(A) Ball - Electronic
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Tillv. art.nrG2E140-AC13-42
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115 V ac Centrifugal AC - G2E140 - - - - - - - - -
RS-artikelnummer 787-8960
Tillv. art.nrFW2451-A1051C2AL
VarumärkeARX
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24 V dc Blower DC 6.97m³/h CeraDyna 51mm 51mm 15mm 51 x 51 x 15mm 5500rpm 37dB(A) Sleeve - -
RS-artikelnummer 482-077
Tillv. art.nrRL90-18/50
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230 V ac Centrifugal AC 40m³/h RL90 120.6mm 120.6mm 37mm 120.6 x 120.6 x 37mm 2450rpm 56dB Sleeve 104.8 x 100.8mm -
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230 V ac Centrifugal AC 86m³/h RG125 180mm 180mm 40mm 180 x 180 x 40mm 2550rpm 58dB Ball 165 x 165mm -
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230 V ac Centrifugal AC 54m³/h RG90 135mm 135mm 38mm 135 x 135 x 38mm 2200rpm 58dB Ball 122 x 122mm -
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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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