Ventilador centrífugo de extracción de incendios
Ventilador de escape de humo de fuego de acero al carbono Ventilador axial resistente al calor con motor de doble velocidad
HTF Fire Control Fan Highlights: This fan is set up with double-speed motor, it operates at a low speed normally and used for ventilation. Once occurrence afire, the fan is automatically transferred into high-speed and discharge smoke by the electric control system, which facilitates safe evacuation ...
