8-09 Cupola-used High Pressure Centrifugal ventilator complies with requirements of blast function of cupo-las with 1~7L/H melting rate.The fanner is also used to blast in all kinds of furnaces and refining stoves and convey air and other gas with non-corrosiveness,unnatural,non-adhe梥ive matters.The temperature of the transporting medium does not surpass 80℃ and the including dust and flinty gran-ules are not bigger than 150mg/m3.