Purpose of all valves

Could anyone highlight specifically where are the different types of valves being used
Ball Valves, Globe Valves, Check Valves, Needle valves, butterfly valves etc.... I want to know actually the lines where they are used and their purposes distinctively.

Thanks
Jijoy

[Non-text portions of this message have been removed] Received on Thu Dec 01 00:13:00 2005