Type DWT-II centrifugal roof fan machine number :: 3 # -10 # air volume: 878-31436m3 / h Total pressure: 122-1072Pa Features: high pressure, low noise, high efficiency, smooth operation, beautiful appearance, can be made to corrosion, explosion-proof applications: power plants, chemical, rubber, pharmaceutical, food processing, metallurgy, warehouses and other industrial enterprises and senior civil air supply and exhaust air pressure higher occasions