Forward Curved Centrifugal Fans

Forward Curved Centrifugal Fans

Our range of forward curved centrifugal fans and blowers are available in single inlet and double inlet for a wide range of low and medium pressure applications.

Many of the fans in the range have external rotor motors. These are usually contained within the width of the fan housing, thus saving the space normally occupied by a standard motor. They are located in the air stream, so temperature is limited, and are generally of protection class IP44, so the air needs to be clean and dry to avoid motor contamination.

Low cost speed control is possible by supply voltage variation, either by electronic (triac) method or by transformer. As the scroll housings of single inlet fans are in fabricated steel it is possible to have detachable discharge flanges, which means that the fan can be mounted on its air inlet side.

Key Features

  • External rotor motor speed controllable, available in AC or electronically commutated
  • Forward curved impellers
  • Low noise emissions
  • Durable, ease of control
  • High reliability galvanised steel construction
  • Cost effective
  • Stable, reliable and efficient airflow

Talk to us to discuss the correct fan for your application.

Forward curved centrifugal fans integrated with AC or EC Ecofit motors allow for convenient speed control and a constant reliable airflow particularly in confined spaces. Due to a high number of blades on the impeller, high performance is achieved with low noise generation.

 

Single Inlet Forward Curved Centrifugal Fans

Single Inlet Centrifugal fans are suitable for higher pressure applications and commonly used to pressurise air moving applications. Air enters via one side of the housing via the impeller and up through the exhaust outlet changing the direction of airflow. Due to high pressure performance single inlet fans are ideal in applications requiring ongoing air filtration and can maintain a constant flow during blocked filtration as the pressures increase.

 

Double Inlet Forward Curved Centrifugal Fans

Double inlet centrifugal fans are suitable for any lower pressure applications requiring a high-volume flow particularly in small spaces. The benefit is its ability to achieve high volumes of airflow due to a wider scroll housing and dual air inlet, drawing in a higher volume of air up through its wider exhaust outlet.

Low Pressure Centrifugal Fans AC

 

Product Code
Voltage (V)
Frequency (Hz)
Input Power (Wa)
Current (A)
Capacitor
Airflow (m3/h)
Speed Rotation RPM
Noise Level dBA
Rotation Direction
Operating Temperature Min/Max
2GDS15 230 50 100 0.47 2.5 400 1640 58 L -20/+70
2GDS15 230 60 110 0.53 2.5 370 1590 57 L -20/+70
2GDS25 230 50 210 0.92 4.0 680 1350 61 R -20/+40
2GDS25 230 60 204 0.89 4.0 545 1900 58 R -20/+50
2GDS35 230 50 234 1.02 4.0 750 1905 57 L -20/+60
2GDS35 230 60 246 1.08 4.0 615 2040 54 L -20/+40

Medium Pressure Centrifugal Fans AC

Product Code
Voltage (V)
Frequency (Hz)
Input Power (Wa)
Current (A)
Capacitor
Airflow (m3/h)
Speed Rotation RPM
Noise Level dBA
Rotation Direction
Operating Temperature Min/Max
2GRE15 230 50 73 0.32 2.0 240 2015 57 R -20/+70
2GRE15 230 60 89 0.39 2.0 240 1980 57 R -20/+70
2GRE15 230 50 88 0.39 2.0 340 1245 48 R -20/+70
2GRE15 230 60 94 0.41 2.0 320 1190 47 R -20/+70
2GRE45 230 50 268 1.19 5.0 630 2125 66 R -20/+70
2GRE45 230 60 305 1.33 5.0 510 2180 64 R -20/+60

Technical Articles

Read our technical article on What causes an unbalanced impeller?

Applications

electronic enclosure cooling
heat recovery units
Fan Coil Unit

Products in this Range

ERAD & ERAE Forward Curved Centrifugal Fans

Single inlet forward curved fan for clean air applications and air conditioning

GDS, GDR & GDF Forward Curved Centrifugal Fans

Double inlet forward curved centrifugal fans available with AC & EC motors.

GRE & GRF Forward Curved Centrifugal Fans

Single inlet forward curved centrifugal fans paired with AC or EC motors.