AXICO ANTI-STALLÂ® Axial flow fan FlÃ¤kt

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FPAC and FPMC axial-flow fans Page 3AXICO ANTI-STALL ®FPAC and FPMC axial-flow fansFor variable air flow by means of controllable pitch blades.The fans have completely stable flow/pressure characteristics,which eliminates the risk of surging.Air flow range: 3 - 110 m³/s (10 000 - 400 000 m³/h).Pressure rise: Up to 3000 Pa.Air temperature range: -15 to + 40°C with regard to theinsulation class of the motor.A quotation for a special versionfor other temperatures will besubmitted on request.• Good operating economy• Surge-free operation• Good control economy - the fan blades are instantlyset to meet the flow requirements of the installation,without impairing the high efficiency• Choice of suitable hub diameter and blade angle foroptimum matching to the desired operating point• Standard 4-pole or 6-pole foot-mounted motor ortwo-speed motor• Low vibration level• Low mass-moment of inertia - short starting time• Short overall length• Complete range of accessories• Surface treated with 80-micron coat of alkyd paintThe FPAC-1 axial-flow fan with CD guide vane diffuser.ApplicationsComfort ventilationAir handling units with AXICO ANTI-STALL ® fans areused principally in hospitals, offices, hotels, exhibitionhalls, sports arenas, shopping centres and similar buildings.All efforts are being made to achieve maximum compactnessof conventional modular air handling units, in orderto minimize building costs and space requirements.The AXICO ANTI-STALL ® CD range of fans has beendeveloped specifically for such air handling units.CD stands for compact design. To make the fan as compactas possible, the guide vane section is integrated witha diffuser. The CD converts dynamic pressure into staticwithout adding the length of a separate diffuser.Its short overall length makes the AXICO ANTI-STALL ® CDfan eminently suitable for all air handling units.Process ventilationWhat we normally recognize as process ventilation is thetype of ventilation used in industrial plants, power stations,mines, paint shops clean rooms, offshore installations,garages and so on. Common criteria of all these plantsare the strict demands as to factors such as reliability,resistance to corrosive environments (temperature, humidity),stable operating characteristics, spark-proof designand control accuracy.AXICO ANTI-STALL ® fans usually meet the industrialrequirements and can be adapted to meet specificrequirements regarding materials, surface treatment,spark-proof design, special motors, special designs, etc.For particulars of the special variants available, consultyour nearest Fläkt Woods AB representative.ContentsDesign 4..........................................................................................................................................................................................General survey chart..................................................................................................................................5Accessories 6......................................................................................................................................................................Aspects of fan selection 7.......................................................................................................................Sizing.........................................................................................................................................................................................8Control...................................................................................................................................................................................10Fan charts ................................................................................................................................................................... 11Ordering key ........................................................................................................................................................... 21Acoustic data ....................................................................................................................................................... 22Dimensions and weights ........................................................................................................... 24Conversion factors, qualities and units, formulae .......... 33Electric motors .................................................................................................................................................. 34
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Page 42: Fläkt Woods AB SE-351 87 Växjö,

AXICO ANTI-STALLÂ® Axial flow fan FlÃ¤kt

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