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Our range of forward curved centrifugal fans 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.
For more information on Low Pressure Forward Curved Centrifugal Fans talk to Axair Fans UK Ltd