Definition - What does Valve mean?
A valve is a very valuable device for industrial applications and is used to control, regulate and direct the flow of liquids and gases in pipelines by opening, closing or partially opening the passageways for pipeline flow. They may be hand wheel operated or motor operated (i.e., actuator operated).
Corrosionpedia explains Valve
A valve is a flow control device. There are many different types of valves, and every valve has its own application. Valves are used for various purposes, including residential, industrial, agriculture, transport, mining, power, oil and gas, food; essentially all sectors.
The material used to manufacture such valves can be cast iron, carbon steel or stainless steel depending upon their intended usage, and they adhere to ANSI, API or other standard specifications.
Valves are classified based on how they are operated or actuated:
- Hydraulically operated valves
- Pneumatically operated valves
- Motor operated valves
- Manually operated valves (by hand wheel)
- Solenoid valves
Some of the various types of valves used in industrial applications are:
- Ball valves
- Butterfly valves
- Check valves
- Gate valves
- Globe valves
- Diaphragm valves
- Flush bottom valves