MAHESH FABRICATORS for INDUCED DRAFT FAN MANUFACTURERS and Centrifugal Blowers manufacturer in India. A centrifugal blower fan is a type of industrial equipment that moves air or gas in any industrial system. Centrifugal fans accelerate the airstream in a radial manner, generally shifting the direction of the airflow by 90 degrees. There are two type of blowers in centrifugal high/ low & Medium Pressure blower and Air Volume blowers.