Stainless steel is a cornerstone material in the construction of Diesel Engine Paddle Wheel Aerators, particularly for components exposed to water. The paddle wheel, shaft, and other submerged parts are often made of stainless steel due to its exceptional corrosion resistance.

The corrosive nature of water can significantly impact the longevity and effectiveness of aerators. By utilizing stainless steel, manufacturers ensure that the aerator can withstand prolonged exposure to aquatic environments, providing a durable and reliable solution for aquaculture operations.

Cast iron is another commonly used material in the construction of Diesel Engine Paddle Wheel Aerators, particularly for structural components such as the gearbox housing and support frame. Cast iron is chosen for its robustness, durability, and ability to withstand the mechanical stresses associated with aerator operation.

The gearbox, a critical component that transmits power from the diesel engine to the paddle wheel, often incorporates cast iron due to its excellent strength and resistance to wear. This choice of material ensures the longevity and stability of the aerator under varying operational conditions.

Certain non-submerged components, such as the aerator's fan blades and supporting structures, may be crafted from aluminum alloys. Aluminum alloys strike a balance between strength, lightness, and corrosion resistance, making them suitable for parts that are not constantly in contact with water.