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 pressure transmitter?

8 Answers   Bhel,

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Which buffer solution is used for PH transmitter calibration?

3 Answers  

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i have one tank of 500mm height, which is in under vacuum of 735 mmHg, I want measure level of the same using DPT , SO WHAT WILL BE THE URV & LRV, DENSITY OF THE TANK FLUID IS 0.95. is there necessary to fill the LP side with fluid.

7 Answers  

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what is the imbustion control loop

0 Answers   Manali Sugars,

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how can check the loopchecking for valves?

3 Answers  

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what is the difference between 3,4 wire RTD sensor?

6 Answers   HTA Instrumentation,

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When doing a liquid seal on a differential flow transmitter , most of the time the sealing liquid will be heavier then the process fluid. For wich application will the sealing liquid be lighter than the process fluid if transmitter is mounted below the process line.

0 Answers   Chevron,

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TRANSDUSER MOSTLY CONVERT WHICH ENERGY INTO ENERGY ?

6 Answers   DVC,

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A differential pressure transmitter is configured to measure the height of an open tank : height 10m and dia 5m. Suppose this same transmitter is shifted to another open tank : height 10m and dia 4m. What will be the %error in measurement? how?

3 Answers   McCoy Engineering,

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if i want to make a zero trim for mass flow meter the pipe line should be empty or i need to make it full? i really need the answer pls help me

2 Answers  

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i am having information technology branh ....... can i prepare for psu exam

0 Answers  

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Can I route 110 VDC and 24 VDC in a same Duct for our Interposing relay cabinet? IF yes or NO Please provide me IEEE Std. for the same. Please i required it on Urgent basis, i need to design IRP Cabinets and we have MCC 110VDC and Our Coil side is 24VDC, Please help as soon as possible.

0 Answers   Yokogawa,

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