The SDF type tunnel temporary axial flow ventilation fan is a tunnel construction fan designed by our company for tunnels with different cross-sectional areas and lengths. The temporary tunnel fan can provide optimal energy-saving performance throughout the entire tunnel construction period.

> Air Volume: 1000m³/h ~ 305000m³/h
> Pressure: 132Pa ~ 9680Pa
> Maximum Efficiency: 88%

The SDS tunnel jet fan is a short-term fire-fighting smoke extraction device specifically designed for tunnels in highways, railways, and subways. Under normal circumstances, the jet fan can be used for ventilation. In the event of a fire inside the tunnel, the SDS tunnel jet fan can operate continuously for 120 minutes at a high temperature of 300℃.

The DTF type tunnel permanent operation axial flow ventilation fan utilizes the latest international aerospace aerodynamic design technology to ensure excellent product performance. The DTF type fan is equipped with an anti-surge device, effectively preventing the occurrence of fan surge hazards.