Mechanically Drafted Cooling Tower Fan is used for removing the heat absorbed in the circulating cooling water systems. Parag Fans & Cooling Systems Limited manufactures Mechanically Drafted Cooling Tower Fan. Parag Fans & Cooling Systems Limited Limited is an ISO 9001-2000 awarded Company that supplies Energy efficient Axial Flow Fan, Fan Rings and Grids and Fill Hungers. Mechanically Drafted Cooling Tower Fan is high efficient in operation. It has more air with less power. Small fans are available up to 6 feet in height and the available size ranges from 2 Feet to 36 Feet.