Valves are electro-mechanical devices that regulate, direct, or control the flow of fluids or gases either by opening, closing, or obstructing. Industrial valves are those that are used in industrial settings as opposed to domestic ones.
There are many different types of valves used in a wide range of industries. The most commonly used types are gate valves, globe valves, ball valves, butterfly valves, and check valves.
Gate valves
Gate valves are designed to stop or start the flow of liquid or gas. These valves are ideal for high-pressure and high-temperature applications and are the most commonly used type of valve in the oil and gas industries. They are also found in many processing plants, and in water treatment facilities.
Globe valves
Globe valves are quite similar to gate valves as they also throttle the flow using linear motion. They consist of a movable disc/plug and a ring seat. These are a popular choice as they leak less than other valves. These are used in a wide range of applications and in high-temperature situations.
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Ball valves
Using a ball as the obstruction, ball valves can allow an opening to be open, blocked, or partially open. These are an excellent choice for gas as they can form a very tight seal. They can also cope with high pressure and high temperatures.
Butterfly valves
These are control-flow valves but have limited capabilities. They are used in a vast number of industries including chemical and petrochemical, oil and gas, pharmaceutical, and food processing.
Check valves
These valves (also known as non-return valves) only permit flow in one direction. These are used to prevent backflow and maintain pressure in a variety of industries including petrochemicals, chemicals, and waste-water management.