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. 221-077
Mfr. Part No.RG160-28/12N
Brandebm-papst
$370.56
Each
units
12 V dc Centrifugal DC 209m³/h RG160 220mm 220mm 56mm 220 x 220 x 56mm 2850rpm 66dB Ball 203 x 203mm Electronic
RS Stock No. 221-083
Mfr. Part No.RG160-28/14N
Brandebm-papst
$221.69
Each
units
24 V dc Centrifugal DC 209m³/h RG160 220mm 220mm 56mm 220 x 220 x 56mm 2850rpm 66dB Ball 203 x 203mm Electronic
RS Stock No. 776-1308
Mfr. Part No.RG160-28/14NU
Brandebm-papst
$229.96
Each
units
24 V dc Centrifugal DC 209m³/h RG160 220mm 220mm 56mm 220 x 220 x 56mm 2850rpm 66dB(A) Ball 203 x 203mm Electronic
RS Stock No. 251-053
Mfr. Part No.RG160-28/14NTD
Brandebm-papst
$347.97
Each
units
24 V dc Centrifugal DC 308m³/h RG160 220mm 220mm 56mm 220 x 220 x 56mm 4200rpm 75dB Ball 203 x 203mm Electronic
RS Stock No. 825-7904
Mfr. Part No.RG160-28/18N
Brandebm-papst
$354.66
Each
units
48 V dc Centrifugal DC 209m³/h RG160 220mm 220mm 56mm 220 x 220 x 56mm 2850rpm 66dB Ball 203 x 203mm -
RS Stock No. 813-569
Mfr. Part No.RG160-28/56S
Brandebm-papst
$229.89
Each
units
230 V ac Centrifugal AC 202m³/h RG160 220mm 220mm 56mm 220 x 220 x 56mm 2750rpm 66dB(A) Ball 203 x 203mm -
RS Stock No. 825-7891
Mfr. Part No.RG160-28/14NTDA
Brandebm-papst
$309.95
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. 825-7897
Mfr. Part No.RG160-28/06S
Brandebm-papst
$166.83
Each
units
115 V ac Centrifugal AC 223m³/h RG160 220mm 220mm 56mm 220 x 220 x 56mm 3050rpm 69dB Ball 203 x 203mm -
RS Stock No. 825-7901
Mfr. Part No.RG160-28/14NTDH
Brandebm-papst
$407.16
Each
units
24 V dc Centrifugal DC 370m³/h RG160 220mm 220mm 56mm 220 x 220 x 56mm 5000rpm 78dB Ball 203 x 203mm -