The Helios ASD-SGD 450 is a high-capacity bell mouth intake and protective guard engineered for industrial ventilation systems. Constructed from galvanized sheet steel, it ensures lasting corrosion resistance and structural integrity. This component features a wide-diameter intake nozzle that optimizes airflow while the integrated guard prevents debris from entering the system. For easy and secure mounting, it is equipped with a side flange that includes a hole pattern compliant with DIN 24155 standards. Ideal for demanding environments, the ASD-SGD 450 delivers reliable performance and enhanced air handling efficiency.