Answer / santosh

Control Valve is the one Equipment, Which is Manege the Quantity of Flow, Pressure, Temperature as per require set point from its basic Source.

Answer / pankaj rathi, bajaj group.

Its a final control element. used to control the physical property of materials.

Answer / carl_ellis

What is a control valve and how does it work?

A control valve is a mechanical device that removes energy
from a hydraulic (liquid, gas, or steam) flow stream.

It works by partially or fully blocking the flow stream.

Carl Ellis
Measure First

Answer / ayaz

Control valve is final control element in control loop and use for Process variable Temperature ,pressure,flow and level etc 

Answer / faiyaz ahmad

Control valve is final control element and control valve is device which is used to control the flow pressure temperature and liquid level fully and partially.
the working principle of control valve is Force and Balancing Flapper Nozel Air to open and air to close.

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