Definition - What does Valve mean?
A Valve is a device that is used in many industrial applications to control, regulate and direct the flow of liquids and gases in pipelines. It may be either hand wheel operated or motor operated (i.e., actuator operated). Valves are mainly used as flow control devices and they operate by opening, closing or partially opening the passageways for pipeline flow.
Petropedia explains Valve
There are many different types of valves, and every valve has its own application. The material used to manufacture valves can be cast iron, carbon steel or stainless steel depending on their intended usage. The valve must also 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