Tg-600 are usually used in the general industries and the storerooms. 1. Part one is the ball part and the diameter (body diameter) is 750mm, and part two is middle part and the throat diameter (inner diameter) is 600mm. The third part is base plate. 2. There are three kinds of materials they are made of: (a) stainless steel, (b) vanes stainless steel+ others galvanized sheet, (c) vanes aluminum + others galvanized sheet. 3. The volume of air discharge is about 1500-5000m3/h. 4. We can design and manufacture other sizes according to your demands.