Valve

For other uses, see Valve (disambiguation).

These water valves are operated by handles.

A valve is a device that it is used to decrease or stop the flow of a fluid (like gases, liquids, fluidized solids, or slurries). It can be installed for example in a pipe or a vessel.

There are many types of valves. Some examples are:

• globe valve
• gate valve
• butterfly valve
• safety valve.

They can be operated manually or automatically.

Related pages

• Pipe
• Plumbing

Other websites

• Valve Sizing and Selection
• Flow in known Design Types of Shut-off Valves Archived 2009-11-22 at the Wayback Machine