The Ruck DHN 400 D4 F4 30 is a horizontal discharge centrifugal smoke fan designed for smoke extraction and high-temperature ventilation applications. It features a backward curved centrifugal impeller that ensures stable and reliable airflow during both normal and emergency operation. The motor is positioned out of the airstream, enhancing durability when handling smoke and hot exhaust gases.
The fan is constructed with a housing made of aluminum and galvanized sheet steel, including a hinged design and grease drain for easy inspection and maintenance. It is equipped with an efficient IE3 motor that is frequency controllable, allowing flexible adjustment of airflow to meet system requirements.
Certified as an F400 smoke extract fan, the DHN 400 D4 F4 30 is suitable for operation at 400°C for up to two hours and for continuous operation at temperatures up to 200°C. An integrated device switch is included for straightforward installation and operation.