In brief, a control valve is a key part of a control loop, a critical control element in industry processes, which consists of a pneumatic actuator, electric actuator, or hydraulic actuator assembly with a valve for regulating the flow capacity or temperature of fluids, or upstream pressure and downstream pressure, or level. It is widely used in petroleum, chemical, pharmaceutical, textile, paper industry, refining, oil and gas, iron and steel metallurgy, and other industries.
Control Valves 101: Valve Types, Applications, Components, and Accessories
As industrial automation processes are upgraded, more and more control valves are being used in process circuits. Almost every plant consists of hundreds of control loops.
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