Functions of Valves

The design of the valves are done in such a way as to perform any of the above functions. The type of valves used can be classified in the following categories.1.0 Isolation

• Gate valves
• Ball valves
• Plug valves
• Piston valves
• Diaphragm valves
• Butterfly valves
• Pinch valves

2.0 Regulation

• Globe valves
• Needle valves
• Butterfly valves
• Diaphragm valves
• Piston valves
• Pinch valves

3.0 Non-return

• Check valves

4.0 Special purpose

• Multi-port valves
• Flush Bottom valves
• Float valves
• Foot valves
• Line Blind valves
• Knife Gate valves