what happens if we are having very very high cavity and flashing in a control valve..??? is it stops working...immediately... or eroded...slowly

2 Answers  

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A pressure differential gauge type of instrument has a manifold with 2 isolation valves (hp and lp),2 vents(1 each for hp and lp) and 1 equalizing valve. Determine the position of each valve(either fully closed or fully open) when troboulshooting to: 1. zero the transmitter. 2. determine if there is a block in the impulse line. 3. determine if the gauge is functioning properly. The process fluid is water.

1 Answers  

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What does threshold mean? what does tolerance mean?

1 Answers   DEWA,

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what is the basic working principle of I/P and Positioner in any control valve.

12 Answers   Essar, Visa Steel,

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we have level transmitter for h2s04 storage tank capacity 10k ,always there are failure of transmitter due to failure of magnetic floats ,please come up with solutions at the earliest.

0 Answers   TechNova,

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how to calibrate corollaries (Mass flow meter)?

0 Answers   Honeywell,

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We are used ABB 800xa 5.1.please tell me how to instrall this.

1 Answers   TCCL,

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1 Answers  

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

0 Answers  

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Yokogawa dcs nodes advantages?

0 Answers   Petrochemicals,

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how to convert cubic metre per hour to newton cubic metre per hour

0 Answers  

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