8-09,9-12 type high pressure centrifugal fan is the melting rate and special blower 1, 2, 3, 5, 7t/h cupola supporting, but also can be used as various furnace, forging furnace blower and air transport and non corrosive, non spontaneous combustion, non sticky material gas, close person also can choose other properties, but the transport medium temperature should not exceed 80°C, not more than150mg/m3Dust and hard particles containiNg medium.