I saw one P&ID 6" control valve has been connected with 8" process line, and 2" valve also connected in parallel with 6" valve. why the 2" valve connected in parallel, Is there any technical reason. please clarify. With Regards-Kittu

5 Answers   GNFC,

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What should be the ideal tapping location for pressure differential transmitter for liquid service. If the tapping taken from the top of the pipe then PDIT will work properly or not. If PDIT do not work properly then what minimum corrective action should be taken in order to solve wrong tapping locations.

1 Answers  

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how can we measure the pressure in underground cooling water pipeline by using pressure transmitter?what about the tapping position?

2 Answers  

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What is Cryogenic?

2 Answers  

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how to measure draft pressure in transmitter pl. give its single line digram

0 Answers  

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My friend has faced this question! I don't know clearly. So please anyone give me the correct and short answer to this question? What is variable frequency drive? Types, what is star to delta? Why this arrangement necessary?

5 Answers   Asian Paints, TCS,

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what is o2 analyzer and how it measured ,what is the role of this analyzer in cfbc boiler...

2 Answers  

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can anybody tel me how a vfd or any field instrument communicates/interface with plc/scada/cs.

0 Answers   Honeywell,

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Isometric drawings are generated during _________________ phase of a project

0 Answers  

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please explain about actuator action? direct action & return action ?

1 Answers  

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In turbine what does term CDP, NH, HSSOC means.

0 Answers   Takreer,

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HI FRIENDS IHAVE QUESTION 1.WHAT IS PARTIALSTROKE TEST?WHY IT IS USED ON ESD ON OFF VALVES?

3 Answers   KNPC, Rotork,

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