#Control valve has 3 basic Components: 01. Actuator Most actuators are pneumatic. Usually, an actuator works with the help of a diaphragm and instrument air. This is the device that positions the throttling element (i.e., the valve plug inside the valve body). 02. Valve body subassembly This is the part where the valve plug, valve seats, and valve casing are located. 03. Accessories These include positioners, I/P (current- to-pressure) transducers, and position sensors. #2 types of control valves are based on their motion:- 01. Linear-Motion valves as- A- Gate Valves. B- Diaphragm Valves. C- Globe Valves. 02. Rot...
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