The Helios VARD 280/4 is a high-pressure pipe fan designed for ducted ventilation systems requiring efficient airflow under pressure. Its cylindrical housing is constructed from galvanized sheet steel and features flanges on both ends, manufactured according to the DIN 24155 hole pattern for secure mounting. The fan includes a built-in guide wheel that improves airflow direction and enhances performance.
This model is fitted with a semi-axial impeller composed of eight spatially curved blades made from durable thermoplastic, ensuring efficient and reliable operation. The fan operates with a direct drive mechanism, providing consistent and maintenance-friendly performance in high-pressure ventilation applications.