whats the reason for control valve not installed -90degree (down position)

1 Answers  

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how to calibrate and troubleshooting of leveltroll?

0 Answers   Kharafi National,

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how to turbine speed measurement?

0 Answers   Jindal Steel and Power,

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I HAVE GOT TYPICAL PROBLEM WITH THE TEMP.INDICATION. THE PROBLEM IS THE K-TYPE T/COUPLE OUT PUT IS CONNECTED TO A INDICATOR.THE INDICATION FLUCTUATES SOME TIMES AND SOME TIME IT IS STABLE. WHEN I CHECKED OUT PUT OF T/COUPLE THE MV WILL NOT VARY. WHERE AS INDICATION FLUCTUATES. WHEN I GIVE MV SOURCE TO T/COUPLE EXTENSIONCABLE FROM THE FIELD IT INDICATION IS STABLE. WHEN GIVE MV SORCE TO INDICATOR ITS INDICATION IS STABLE. PLEASE CLARIFY.

5 Answers  

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T.x range -0.1 to 0.2 milibar,so how much mili ampear at 0.1 milibar?

7 Answers   Sugar Factory,

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Why we are using reverse action in displacer types level transmitters on some Vessels?

0 Answers  

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principle of dead weight tester ?

0 Answers  

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a laways iface problem with brine level transmitter sealing diaphram a laways giving error and maximum reading i made re range and adjust with side glass but during commission it giving gap reading between it and side glass i need help from expert to explain how to calibrate it. note:dp transmitter yokogawa company

1 Answers  

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what is rtd

4 Answers   Petrofac,

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What information needs for Control Valve "sizing"

1 Answers   Qatar Petroleums,

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Describe the concept of Gain Scheduling, as currently found as an option in some controllers.

1 Answers  

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while stroke checking of a linear control valve ,found its travel is in non linear ,what can be possible reason ? ( please answer send in mannanali65@gmail.com) pls pls pls if any body know

2 Answers   JAL International,

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