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.

I have a Control VAlve having size of 2 ".Only the known parameter is Pressure drop . Its 2 Kg. Then How to calculate control valve sizing means Cv.

0 Answers   JSW,

How to Calibrate Vortex Flow transmitter in field

0 Answers  

What different types of problems do occur while doing the loop checking? and please explain in detail or mail me at kadam.aniket143@gmail.com

1 Answers   Operational Energy Group, Process Control Technologies,

why we use 4-20 mA for calibration of the instruments.why we cant use 0-20 mA?

5 Answers  

how to calibrate displacer type level transmitter by dry weight method please mention formula for weight calculation

1 Answers  

what is working principle of presure and temperature guage?

4 Answers  

is manifold required for an integral orifice meter?

2 Answers  

what is the working principle of dis-placer type level transmitter

1 Answers   Sendan,

how far the two wire transmission (loop power) maximum distance suitable?

2 Answers   PCIL,

Why 4ma - 20ma signal used in instrumentation??

5 Answers  

Explain the use of hair spring in the pressure gauge.

0 Answers  

What is the minimum rating availalbe for weld neck orifice in market?

0 Answers   Jindal,