Practical and Fundamental Question on Control Valve

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*************What You Will Learn****************************

What is Control Valve ?

A control valve will be designed as a valve that is called upon to throttle, regulate and/or control the flow of a fluid through a valve.

What is Role of a Control Valve in process control loop ?

The control valve plays a very important role in the automatic control of modern plants which depend on the correct distribution and control of flowing liquids or gases. Such control depends upon some form of final control elements. The control valve is the most widely used type of final control element.

How a Control Valve works ?

A control valve functions as a variable resistance in the pipeline. It provides a pressure drop by changing the turbulence in the process fluid or in the case of laminar flow, the pressure drop is caused by the changed valve resistance or ‘drag’. This pressure drop process is often called throttling.

This module is intended to acquaint with the factors of Control valve design and application and to assist in the selection of best valve body, actuator and accessories for a specific application.

***** I Hope you will find Quiz very useful. *****************

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