9-19 high-pressure centrifugal fan: good aerodynamic performance, high efficiency, and smooth operation. Application: High pressure forced ventilation for various furnaces and forging furnaces, as well as conveying air and non-corrosive, non-self-igniting, and non-viscous gases. The temperature of the conveying medium shall not exceed 80℃, and the dust and hard particles contained in the medium shall not exceed 150mg/m³.