Model AWA-400/150 is a die-cast aluminum axial fan impeller with 9 adjustable-pitch blades. The bolted split hub with keyway bore realizes reliable shaft mounting; users can tune blade pitch to adjust air volume and static pressure. Sandblasted anti-corrosion surface enhances salt fog resistance in marine ambient conditions. Lightweight aluminum construction cuts down motor startup load and operational noise. It serves marine cabin ventilation, engine room exhaust and boiler auxiliary air supply systems with reliable long-duration rotating durability.
