The Helios VARD 250/4 is a high-pressure pipe fan designed for effective airflow in ducted ventilation systems. It features a cylindrical housing constructed from galvanized sheet steel, with rolled flanges on both ends that follow the DIN 24155 hole pattern for secure mounting. A built-in guide wheel is included to enhance airflow direction and efficiency.
The fan is equipped with a semi-axial impeller, featuring eight spatially curved blades made from durable thermoplastic, optimized for performance and durability. The unit is directly driven, offering reliable and consistent operation for high-pressure air movement applications.