... aeration system is composed of motor,motor base, coupler,intake shaft,aerator cylinder,grease seal,mechanical seal I. Cavitation Aerator ... . Cavitation Aerator is composed of motor, motor base, coupler,intake shaft, aerator cylinder, grease seal, mechanical seal and impeller outlet ... when mixing the waterflow, Then inhaling air through air intake;the air is inhaled into the water when pass through ...