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. 841-4902
Mfr. Part No.D4E225-CC01-54
Brandebm-papst
$1,077.18
Each
units
230 V Centrifugal AC 2615m³/h D4E 225 370mm 327mm 341mm 370 x 327 x 341mm 1090rpm - Ball 284 x 321mm Electronic
RS Stock No. 787-8964
Mfr. Part No.FW1275-A1041C2AL
BrandARX
$30.89
Each
units
12 V dc Blower DC 16.58m³/h CeraDyna 75mm 75mm 15mm 75 x 75 x 15mm 4800rpm 54.4dB(A) CeraDyna A - Electronic
RS Stock No. 126-414
Mfr. Part No.GB1205PKV1-8AY.GN
BrandSunon
$12.18
Each
units
12 V dc Blower DC 9.7m³/h GB 50mm 50mm 20mm 50 x 50 x 20mm 5200rpm 35dB Vapo - Electronic
RS Stock No. 617-4501
Mfr. Part No.FE1Q230-060-04
Brandebm-papst
$613.64
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. 514-2963
Mfr. Part No.RLF100-11/12
Brandebm-papst
$111.49
Each
units
12 V dc Centrifugal DC 64m³/h RLF100 127mm 127mm 25.4mm 127 x 127 x 25.4mm 5100rpm 64dB Ball 112 x 94.4mm Electronic
RS Stock No. 218-3208
Mfr. Part No.G2E120-AR77-01
Brandebm-papst
$465.90
Each
units
230 V ac Centrifugal AC 260m³/h G2E120 184mm 178mm 115mm 184 x 178 x 115mm 2350rpm 61dB Ball 68 x 100mm -
RS Stock No. 126-436
Mfr. Part No.PMB1212PLB2-A(2).GN
BrandSunon
$37.89
Each
units
12 V dc Blower DC 61m³/h PMB 120mm 120mm 32mm 120 x 120 x 32mm 2500rpm 53.8dB Ball 105 x 105mm Electronic
RS Stock No. 826-1133
Mfr. Part No.D2E146-CD51-23
Brandebm-papst
$786.04
Each
units
230 V Centrifugal AC - D2E 146 - - - - - - - - -
RS Stock No. 825-7756
Mfr. Part No.R2E280-AE52-05
Brandebm-papst
$697.82
Each
units
230 V ac Centrifugal AC 2110m³/h R2E280 - 280mm 125mm 280 (Dia.) x 125 Dmm 2700rpm 76dB(A) Ball - -
RS Stock No. 830-3023
Mfr. Part No.R3G190-RC05-03
Brandebm-papst
$350.92
Each
units
230 V ac Centrifugal AC 735m³/h RadiCal - 190 (Dia.)mm 71.4mm 190 (Dia.) x 71.4mm 3200rpm - Ball - Electronic
RS Stock No. 233-9439
Mfr. Part No.G4E180-GS11-01
Brandebm-papst
$1,051.27
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. 217-4204
Mfr. Part No.R2E220-AA40-05
Brandebm-papst
$250.69
Each
units
230 V ac Centrifugal AC 865m³/h R2E220 - 220mm 71mm - 2600rpm 73dB Ball - -
RS Stock No. 825-7673
Mfr. Part No.R2E220-AA40-B8
Brandebm-papst
$414.47
Each
units
230 V ac Centrifugal AC - R2E220 - 221.4mm 71mm 221.4 (Dia.) x 71 Dmm 2700rpm >70dB(A) Ball - -
RS Stock No. 250-943
Mfr. Part No.RLF35-8/12N
Brandebm-papst
$52.63
Each
units
12 V dc Centrifugal DC 9.6m³/h RLF35 51mm 51mm 15mm 51 x 51 x 15mm 6700rpm 55dB Ball 43 x 38mm Electronic
RS Stock No. 233-9451
Mfr. Part No.D2E133-AM47-23
Brandebm-papst
$545.64
Each
units
230 V ac Centrifugal AC 710m³/h D2E 133 198mm 171.5mm 254mm 198 x 171.5 x 254mm 1800rpm 59dB Ball 92 x 238mm -
RS Stock No. 468-4652
Mfr. Part No.RL48-19/12
Brandebm-papst
$43.68
Each
units
12 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. 126-391
Mfr. Part No.PMB1275PNB1-AY(2).GN
BrandSunon
$26.97
Each
units
12 V dc Blower DC 23m³/h PMB 75.7mm 75.7mm 30mm 75.7 x 75.7 x 30mm 3400rpm 43.5dB Ball 67.1 x 45.7mm Electronic
RS Stock No. 787-8960
Mfr. Part No.FW2451-A1051C2AL
BrandARX
$22.44
Each
units
24 V dc Blower DC 6.97m³/h CeraDyna 51mm 51mm 15mm 51 x 51 x 15mm 5500rpm 37.5dB(A) CeraDyna A 43.2 x 38.3mm Electronic
RS Stock No. 892-3620
Mfr. Part No.150908-50
BrandAmetek
$665.08
Each
units
16 → 28 V dc Blower DC 41.8m³/h - 74.7mm 77.7mm 88.1mm 74.7 x 77.7 x 88.1mm - - - - Brushless
RS Stock No. 498-8601
Mfr. Part No.G2E085-AA01-01
Brandebm-papst
$295.29
Each
units
230 V ac Centrifugal AC 85m³/h G2E085 116.5mm 117.5mm 80mm 116.5 x 117.5 x 80mm 2350rpm 53dB Ball 58 x 66mm -
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