The Helios ASD-SGD 315 is a robust bell mouth and guard component designed to enhance airflow efficiency in industrial and commercial ventilation systems. Constructed from galvanized steel, this large-diameter intake nozzle ensures long-term resistance to corrosion and mechanical stress. The integrated guard offers added protection against debris ingress, contributing to system safety and reliability. A side flange with a standardized hole pattern according to DIN 24155 enables precise and secure mounting to compatible ductwork. This intake accessory is ideal for applications requiring high-performance air handling and dependable construction.