General Air Extraction Systems Fans

Forward curved impeller fans with their motors out of the airstream are suitable for a wide range of general medium pressure and ducted applications. Whilst multi-vane impellers are for clean air, its temperature can be relatively high because the motor itself is situated in ambient conditions. The motors being of standard industrial type, their protection class is normally IP54 or IP55. With no restriction on motor size, the fan performance can be high for given impeller dimensions. Speed control is possible by variable frequency inverter drive, but not generally by voltage variation. The usual consequence of trying to vary the voltage is non-linear control, pressure dependent speed, and motor over-heating. Some models require a minimum system pressure/maximum flow rate to prevent motor overheating. PDF Download: Axair Single Inlet CMP - 2006 (3 mb) General air extraction systems, air filtration, hot fume control, special effects equipment, inflatable equipment, boiler forced draught, environmental chambers, ultra-sonic equipment, printing and drying equipment, electronic enclosure ventilation.

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