Our SDS jet ventilation fan is a professional axial jet fan optimized for railway tunnel longitudinal ventilation systems. It is widely adopted in railway tunnels to maintain stable air circulation, remove exhaust fumes and control smoke movement during fire emergencies.
This SDS jet fan is normally suspended on the tunnel ceiling or side walls. It does not occupy traffic space and requires no complicated ductwork, which greatly cuts civil construction investment and simplifies overall ventilation layout. With CFD optimized impeller and integrated silencer structure, it delivers powerful steady thrust while keeping noise within acceptable limits, suitable for long-duration continuous operation in humid, dusty tunnel environments.
Available in one-way and reversible bidirectional models, this jet fan can meet different railway tunnel ventilation design requirements. Heavy-duty housing and anti-corrosion surface treatment ensure long service life under harsh underground conditions. Each unit is strictly tested for thrust, airflow and safety performance before delivery.
It is a preferred ventilation solution for railway tunnel contractors, tunnel design institutes and ventilation system suppliers. Custom specifications and mounting solutions are available to match your tunnel engineering drawings.
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