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. 860-0239
Mfr. Part No.R2E190-RA50-21
Brandebm-papst
TWD2,940.00
Each (In a Pack of 5)
units
115 V Centrifugal AC - R2E190 - - - - - - Ball - -
RS Stock No. 892-1895
Mfr. Part No.EN656M72XL (080059)
BrandAmetek
TWD146,320.00
Each
units
230 V ac, 460 V ac Regenerative AC 353.82m³/h EN656 492mm 391.7mm 382.5mm 391.7 x 492 x 382.5mm - - Ball - -
RS Stock No. 787-8960
Mfr. Part No.FW2451-A1051C2AL
BrandARX
TWD498.00
Each
units
24 V dc Blower DC 6.97m³/h CeraDyna 51mm 51mm 15mm 51 x 51 x 15mm 5500rpm 37dB(A) Sleeve - -
RS Stock No. 892-3598
Mfr. Part No.150436-50
BrandAmetek
TWD26,968.00
Each
units
24 V dc Blower DC 107.04m³/h Windjammer - Bypass 5.7" 149.4mm 149.4mm 137.5mm 149.4 x 149.4 x 137.5mm - - - - Brushless
RS Stock No. 892-3611
Mfr. Part No.150561-01
BrandAmetek
TWD36,441.00
Each
units
120 V ac Blower Ac 262.41m³/h Nautilair 7.6" 189.5mm 204.22mm 138.4mm 204.22 x 189.5 x 138.4mm - - - - Brushless
New
RS Stock No. 191-9306
Mfr. Part No.9BD12SC6-1
TWD853.00
Each
units
12 V dc Blower DC 10.2cfm San Ace B76 76mm 76mm 20mm 76 x 76 x 20mm 4500rpm 43dB(A) - 57 x 57mm -
RS Stock No. 180-3021
Mfr. Part No.TF037C-2000-F
TWD54,004.00
1 Box of 12
Box(es)
24 V dc Blower DC 1.6L/s TF037C 50.5mm 40.4mm 37.3mm 40.4 x 50.5 x 37.3mm 40000rpm 67dB(A) Ball - Brushless
RS Stock No. 498-8550
Mfr. Part No.R2E 180-AS77-05
Brandebm-papst
TWD4,020.00
Each
units
230 V ac Centrifugal AC 570m³/h R2E180 180mm 180mm 78mm 180 (Dia.) x 78mm 2300rpm 63dB Ball 58 x 58mm -
RS Stock No. 892-3392
Mfr. Part No.119103-01
BrandAmetek
TWD37,946.00
Each
units
120 V ac Blower Ac 222.57m³/h Windjammer - Bypass 5.7" 150mm 150mm 153.7mm 150 x 150 x 153.7mm - - - - Brushless
RS Stock No. 180-3030
Mfr. Part No.TF037C-2100-F
TWD4,892.00
Each
units
24 V dc Blower DC 1.6L/s TF037C 50.5mm 40.4mm 54mm 40.4 x 50.5 x 54mm 40000rpm 67dB(A) Ball - Brushless
RS Stock No. 892-3507
Mfr. Part No.119494-00
BrandAmetek
TWD23,474.00
Each
units
12 V dc Blower DC 18.57m³/h Microjammer 3.0" 114mm 102.9mm 70.6mm 102.9 x 114 x 70.6mm - - - - Brushless
RS Stock No. 860-0223
Mfr. Part No.RER175-42/14/2TDMP
Brandebm-papst
TWD6,084.00
Each
units
24 V dc Centrifugal DC 865m³/h RER175 - - 69mm 175 (Dia.) x 69mm 4800rpm - Ball - -
RS Stock No. 892-1683
Mfr. Part No.DR14DW86MW/081479
BrandAmetek
TWD690,596.00
Each
units
575 V ac Regenerative AC 1752.45m³/h DR14 701mm 446.3mm 801.4mm 446.3 x 701 x 801.4mm - - - - -
RS Stock No. 892-1696
Mfr. Part No.DR202Y72M/080565
BrandAmetek
TWD64,070.00
Each
units
230 V ac, 460 V ac Regenerative AC 86.78m³/h DR202 254mm 245mm 299mm 245 x 254 x 299mm - - - - -
RS Stock No. 332-4107
Mfr. Part No.G2E120-AR77-A6
Brandebm-papst
TWD7,202.00
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. 892-1753
Mfr. Part No.DR505AS72M/037543
BrandAmetek
TWD82,169.00
Each
units
230 V ac, 460 V ac Regenerative AC 250.35m³/h DR505 366.5mm 345.2mm 374mm 345.2 x 366.5 x 374mm - - Ball - -
RS Stock No. 826-1250
Mfr. Part No.G1G146-BA07-52
Brandebm-papst
TWD15,231.00
Each
units
24 V dc Centrifugal DC - G1G 146 - - - - - - - - -
RS Stock No. 180-3024
Mfr. Part No.TF029B-1000-F
TWD54,004.00
1 Box of 12
Box(es)
12 → 27 V dc Blower DC 1.6L/s TF029B 41.5mm 49.44mm 33.6mm 49.44 x 41.5 x 33.6mm 36000rpm 65dB(A) Ball - Brushless
RS Stock No. 860-0241
Mfr. Part No.R2E220-RA44-14
Brandebm-papst
TWD3,343.00
Each (In a Pack of 5)
units
115 V Centrifugal AC - R2E220 - - - - - - Ball - -
RS Stock No. 825-7718
Mfr. Part No.R2E225-BD92-37
Brandebm-papst
TWD8,666.00
Each
units
230 V ac Centrifugal AC 1340m³/h R2E225 - 225mm 99mm 225 (Dia.) x 99 Dmm 2950rpm 71dB(A) Ball - -