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 is feedback system.

1 Answers   CCIE,

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2 Answers   Qatar Petroleums, RKS,

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What is smart positionar

2 Answers  

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what is the full formof HART

7 Answers  

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why ultra sonic level transmitter is installed in 90 degree?

2 Answers   ME,

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How works weighfeeders in cement industry? what is the working principle?

0 Answers  

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

4 Answers  

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How will you test a transistor with a multimeter?

0 Answers  

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why we use the 4-20 mamp signal used for transmitter.

5 Answers   Tecnimont,

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what is the si unit of pressure?

6 Answers   HTA Instrumentation,

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While giving Power Supply of 24 VDC to a Transmitter,why Shield Terminal is connected either at Transmitter or at ISB.Why not Shield Terminal connected at both ends.If the Reason is to avoid Noise interference,which type of noice that is interfering.Is the Noice from the 24 VDC supply terminals or from any external source.

1 Answers  

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