The Helios VARD 225÷4÷2 is a high-pressure pipe fan designed for use in ducted ventilation systems requiring efficient airflow under pressure. It features a cylindrical housing made from galvanized sheet steel with flanges formed on both ends, following the hole pattern specified in DIN 24155. The fan includes an integrated guide wheel to optimize airflow performance.
Its semi-axial impeller consists of eight spatially curved blades made from durable thermoplastic, ensuring reliable operation and aerodynamic efficiency. The unit is directly driven for consistent performance in demanding applications.