Compact structure with large airflow capacity, suitable for short-distance exhaust or direct outdoor discharge.
Ideal for systems that combine daily ventilation and emergency smoke extraction.
Dual-speed motors or VFDs enable switching between normal and fire modes.
Design Features
Impeller dynamically balanced, low vibration and high efficiency
Aluminum alloy or galvanized steel blades, high-temperature and corrosion resistant
Equipped with heat-resistant motors or external drive systems for safe high-temp operation