The Helios VARW 225/2 is a high-pressure in-line pipe fan built for effective air handling in ducted ventilation systems. It features a cylindrical housing made of galvanized sheet steel, equipped with flanges on both ends that follow the DIN 24155 standard hole pattern. The design includes an internal guide wheel to enhance airflow efficiency.
This model uses a semi-axial impeller with eight spatially curved blades, manufactured from durable thermoplastic material. The fan is directly driven and housed within a cylindrical pipe sleeve, ensuring reliable performance in high-pressure ventilation applications.