The Helios VR 630 is a precision-engineered flange made from galvanized sheet steel, offering robust performance for ventilation system installations. It features flanges formed on both sides to provide a strong and stable connection between duct segments. The unit is designed with a hole pattern that complies with DIN 24155, ensuring seamless integration into various ductwork configurations. Suitable for both commercial and industrial applications, this flange is an essential component for secure and reliable air distribution.