CONTROL SYSTEM COMPONENTS

Syllabus for term test _2

Process Control Valves
Need and specifications of Control Valve; Control valve terminology; Control valve constructional details; Air to Open(AO), Air to Close (AC); MOC (Material of construction); classification of control valve; applications, advantages,disadvantage of – Globe, Ball, Needle, Butterfly, Diaphragm,
Pinch, Gate, Solenoid; Flow characteristics (Inherent and Installed); Valve positioners: necessity, types-motion balance and force-balance, Effect on Performance of control valve;
Control Valve Actuators -Electrical, Pneumatic, Hydraulic, Electro-mechanical, and piston actuators; selection guidelines for control valve

Auxiliary process control :

Alarm annunciators and its sequences; , Relief valves, safety valves and rupture disk.

Reference :
https://www.youtube.com/playlist?list=PLxgQVTugPiooRcxTGxibyXCyKmv3mWbPk



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