The fan of the TWD Series are particularly designed for installation where it is mandatory to guarantee an uninterrupted air exhaust even in case of failure.
The units are provided with duty and stand-by fan which automatically starts in case of breakdown.
Duty and stand-by fans can be manually exchanged with a dedicated control logic, available in different versions (Auto changeover Panel).
Airflow range – 175 to 6,000 CMH.
AMCA certified performance for Air & Sound