The Helios VARD 355/4 is a high-pressure pipe fan engineered for effective air handling in ducted ventilation systems. It features a cylindrical housing made from galvanized sheet steel with flanges formed on both ends, adhering to the DIN 24155 hole pattern for standardised mounting. A built-in guide wheel improves airflow direction and system performance.
Equipped with a semi-axial impeller comprising eight spatially curved blades made from durable thermoplastic, the fan delivers efficient and reliable airflow. The direct drive configuration ensures consistent performance with low maintenance, making it suitable for demanding ventilation applications.