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.

what is commissioning & pre commissioning , explain with difination

2 Answers   Bapco Bahrain Petroleum Company, Shell,

how to calculate temp.prapotional to mv in thermocoulpe.

2 Answers   Electronics, KNPC,

What is the difference between a Extension cable and a copnesating cable.Where can we use compensating cable. Is anywhere compensating cable are used for mv transmission to the indicator.

1 Answers  

How a pH sensor & analyzer work at waste water treatment plant, whats the principle & science is beyond this,How pH sensor sence & convert signal & move toward analyzer & analyzer show reading in percent? also what is temperature compensate option in analyzer

1 Answers  

What is the solution if rotork motorised control valve showing pink Colour in dcs.

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What is SCR?

9 Answers  

WHAT REASEAN USE TRANSMETER TWO WIRE & FOUR WIRE

5 Answers   Kentz,

Technician A says that a fuel tank sending unit will have a high resistance only when the tank is full. Technician B says that its resistance when the tank is full depends on whether the sending unit is designed for use with a bimetallic gauge or with a magnetic gauge. Who is correct?

3 Answers  

how to callibrate a new i/p converter

7 Answers   TATA,

How Many Slave Can be used in one slave ?

2 Answers  

what is a good line as ic engineer as maintenance ,oc, project, calibration ,validation engineer?

0 Answers  

what is the PC interface and software for connection to ABB logic module “ LM011-CE18RAC “ ( for Programming ) ??

0 Answers