1 The use of fan T30 axial flow fan is widely used in factories , warehouses , offices, residential ventilation inside or enhance heating and cooling purposes . Remove the base from the case , you can make free fan can also be installed in series in the longer interval exhaust pipe to improve pipeline pressure . By The fan should be non-corrosive gases , not spontaneous , no significant dust , its temperature must not exceed 45 °. BT30 -proof axial fan impeller section using aluminum production ( excluding shaft drive ) , power switch explosion-proof motor , and explosion-proof switch or switch away from the explosive point . Other parts of the same axial fan material , which is mainly used in chemical, pharmaceutical, textile and other industries , and the carriage of flammable, explosive , volatile gases with the same mount arts and other crafts and axial fans . 2 Fan Type The fans there were 46 varieties, including blades, 6 blades, vanes peaceful settlement of the blade 8 has nine machine number, press the impeller diameter , arranged in ascending order of sequence : № 3, № 3.5, № 4, № 5, № 6, № 7, № 8, № 9, № 10; four leaves a total of ten machine number, according to the size of the impeller diameter , large order from top to arrange the order of : № 2.5, № 3, № 3.5, № 4, № 5, № 6, № 7, № 8, № 9, № 10.
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