The Cast Aluminium Fans are used for providing air to effluent treatment plants or metal treatment for mixing, stirring etc. Motive Powers Inc. Manufactures Cast Aluminium Fans. Motive Powers Inc. Supplies Dynamic Scrubber, Catalytic Scrubber, Multi Tower Scrubber, Centrifugal Fans & Blowers, Fabricated Fans, Cast Fans, Cyclones, Rotary Dryers, Fume Extraction Systems, Hoods, etc. In Cast Aluminium Fans, when high-pressure air needs arise, special designed blowers are needed. Cast fan is a cast aluminium unit working on turbo design.