 
    
9-11 type high-pressure centrifugal fan structural features: 
 9-11 type high-pressure centrifugal fan impeller diameter: from 400 to 1200mm maximum flow rate: 6000m3/h maximum total pressure: 20000pa transmission mode: a, d two features use: suitable for Forge furnaces, furnaces and high-pressure forced ventilation.
9-11 series high-pressure energy-saving centrifugal fans are mainly suitable for the ventilation of 0.5~55t/h cupola smelting process, and are also used in the fields of material transportation, building materials, metallurgy, high-pressure air supply, etc. The temperature of the conveyed medium generally does not exceed 50 ℃ (up to 80 ℃ ), the dust and hard particles contained in the medium are not more than 150mg/m3.
9-11 type high pressure centrifugal fan performance parameters
| Furnace melting rate  | Fan number | Full pressure  | Air volume  | Speed  | Motor model | Power  | 
| 1 | 9-11No5.6A | 8000 | 14 | 2900 | Y132S1-2 | 5.5 | 
| 1.5~2.0 | 9-11No6.3A | 10000 | 30 | 2930 | Y160M1-2 | 11 | 
| 2.5~3 | 9-11No7.1A | 12300 | 40 | 2930 | Y160M2-2 | 15 | 
| 4.5~5 | 9-11No8D | 16000 | 60 | 2950 | Y200L2-2 | 30 | 
| 9-11No9D | 20000 | 84 | 2970 | Y250M |