This SDF series axial flow fan is engineered for subway, railway tunnel and mine underground ventilation. It supports dual functions of daily air exchange and emergency fire smoke exhaust, delivering strong, stable airflow to maintain air quality and control smoke in confined underground spaces.
With optimized aerodynamic impeller design, it runs with high efficiency and low noise. The heavy-duty structure adapts to harsh underground working conditions and supports long-term continuous operation. Customizable specifications including diameter, power and voltage are available, widely suitable for subway stations, railway tunnels, mining projects and other underground ventilation projects.
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