Fans from ZIEHL-ABEGG represent high-quality products for diverse application fields. Products undergo comprehensive quality controls before dispatch. Optimised for short nozzle use, the axial fans of the long-established FB model range enable bi-directional airflow. The aluminium sheet blades can be set to three different angles. The 100% speed-controllable FB fans are available in dimensions from 200 to 630 mm. Axial fans of the FB model range are primarily used in short nozzles, for example in refrigeration and heating technology. For applications involving flammable gases, mists, and vapours, the FB model range is also available as an explosion-protected design with ATEX certification.