what is the difference between(Flame proof/Explosion proof)& Fire proof instruments.Both are same or different & if different in which way because the transmitter which have approved ATEX flame proof enclouser but it use PTPE O ring & PTFE Head Gasket,so its (fire safe/fire proof)????????

4 Answers  

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Is it ok, to use non-contact type Radar type LT, on a tank that is half circular from the bottom side? If yes the, isn't the waves gonna bent in other directions? 

0 Answers   Process Control Technologies,

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difference between dcs & pld

2 Answers  

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Why we used cage in control valve?

8 Answers  

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what is working principle of vibration prob

3 Answers  

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What are the charcterstics of a P&ID controller block for Governor speed raise or lower for a load sharing functionality between 4 Gas turbines in droop mode.

0 Answers   TNPL,

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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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How does electro magnetic pump works ?

1 Answers   IGCAR,

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How does the "as-built" function benefit plant owner/operators?

2 Answers  

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what is loop folder?

1 Answers   Bapco Bahrain Petroleum Company, Hyundai,

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What are primary elements of measuring pressure?

0 Answers  

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what is shutoff dp? why is it important for selection of a control valve?

1 Answers  

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