What information needs for Control Valve "sizing"

1 Answers   Qatar Petroleums,

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what is the difference between RS 232,RS 485,RS 422, how they different from each other

15 Answers   TCS,

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A DP Endress and Hauser flow transmitter is always tripping pump at low flow. set point is 74 cubic meter/hr. Thorough impulse line flushing and zero calibration has been done, yet problem persists. What do you think is the problem and how do you rectify this fault?

5 Answers  

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Boiler flame scanner advantage?

0 Answers   Fluke, Petrochemicals, Tata Chemicals,

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What are the key features of a Distributed Control System? describing the various layers (sensor through to business system interfaces) as well as the hardware, software and security aspects of the DCS.

0 Answers  

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How does a strain gauge measure pressure?

2 Answers  

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Steve said that "An eddy-current probe works by passing an alternating current through a coil of wire and measuring the coil’s impedance" while we are using -24 Volt DC , So I am confused about DC and AC. Plz .

2 Answers   Jindal, Sadara Chemicals,

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How to convert milliampares into flow??

0 Answers  

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DC motor and DC Drives working funda?

1 Answers  

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where are following valves are applicable to install. can any valve be installed any line. globe valve butterfly valve boll valve gate valve

0 Answers  

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what is full form of SMART

46 Answers   Infosys, ITC Infotech, Lanco, Rosemount, Solvay,

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If we increase PI controller what will be action.

1 Answers   IMECO,

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