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

12 Answers   Essar, Visa Steel,

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what is the difference between sensor and tranducers?

12 Answers  

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in natural gas indirect water bath heater,how to prevent the problem of backfire from firetube during ignition...becoz of this backfire performance of wbh is going low.

0 Answers  

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How LVDT position transmitter works on DC supply(24vdc) from DCS, whereas transformer operates on AC supply? pls help..

1 Answers  

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What is Cu-100 and Cu-1000 ? and tell me its application ?

2 Answers  

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Is that Speed Probe and Vibration Probe sensors are same,if yes what is the diff b/w them?

2 Answers  

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I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

0 Answers  

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what is commisioning procedure,2)what is is the main work in commisioning in the field tx to dcs, plz send me detail

0 Answers  

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WHY RESISTANCE TEMPERATURE DETECTOR IS AN ACTIVE DEVICE

2 Answers  

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what is modbus,profibus,fieldbus

2 Answers  

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In a gas over oil actuator, after the opening/closing of valve, how the gas is vented out? How does the hydraulic/gas circuit function?

0 Answers   Reliance,

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Why flow/pressure transmitter before control valve?

0 Answers   UPL,

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