Answer / ahmed helmy

to avoid the direct contact of hot steam with the transmitter so the impulse line should be filled with water which is coming from the condensation in the below of the boiler.

why we use by pas on a positioner? When can a by pass be not used on a positioner ?

1 Answers  

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Which standard is used for calibration of Control Valves ?

2 Answers  

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What is difference between radial vibration and axial vibration explain in detail .

0 Answers   Emerson,

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in pressure gauge inside why we are using the glasarin oil?

4 Answers  

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what is the deluge ? How can its working?

2 Answers   KOC,

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Possible cause of IOP alarm in a DP transmitter: a: IOP-minimum b: IOP-Maximum

4 Answers  

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What are the disadvantages of Human-Machine Interface (HMI)? atleast 3.

1 Answers  

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Why we use 4 - 20 ma?

6 Answers   IJT, ONGC,

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How a oxygen sensor & analyzer work at boiler or furnace, whats the principle & science is beyond this,How O2 sensor sence & convert signal & move toward analyzer & analyzer show reading in percent?

2 Answers  

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What is the GK Value in Flowmeter?

0 Answers   IBPIL, Thermax,

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Is there any temperature compenasation for the air flow from FD fan & SA fans which supplies air to the Boiler?

2 Answers  

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What is the exact output of eddy current proximity probe? For vibration mesurment?

2 Answers  

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