Structural features: The fan uses the latest international aerospace pneumatic design requirements, with high efficiency and wide efficient area, divided into one-way and reversible two structures.
Machine number range: NO.1250-2400# A total of 8 machine numbers.
Air volume range: 61800-477000m3/h 
Full pressure range: 195-1372pa
Suitable for use: Widely used in dam projects, railways, subways, airports, power plants and other national major projects ventilation.
Use environment: no corrosion, no spontaneous combustion, no viscous substances when conveying air, medium temperature generally does not exceed 80℃. The particles contained in the medium are not more than 150mg/m3. When used for fire smoke exhaust, it can ensure continuous operation for more than 1 hour at an ambient temperature of 280 ° C.