The product has low noise, big air volume, less consumption, the advantages ofreasonablestructure, air volume ranged from 2600-24500 r/min, the blade is according to thedesign andmanufacture of ternary flow theory, is currently the civil construction, chemicalindustry, lightindustry, senior hotel department new choose the ideal equipment.This seriesof fans aresuitable for ventilation and ventilation for industrial and miningenterprises,workshops,hospitals, laboratories, civil buildings and wine buildings.Should beno significant powderconveying gases, the medium temperature step more than 40C。