Air blowers are called "roots ".
These are in rang up to 2.,6 bara and vacum range of 200mbara down to 0.001 mbara in vaious industries ..
Some of industries that have more using are listed down:
1.Food Processing
2.Pharmaceutical Companies
3.Hospitals
4.Chemical & Petrochemical Industries
5.Power Plants
6.Water & Waste Water Treatment Plants
7.Steel Industries
8.Acid Producing Companies
9.Dust Collector Systems
10.Cements Plants
11.Pneumatic Conveying Of Lime,plaster,Grains and Flour
12.Paper &Pulp Industries
13.Loading & Unloading Systems
