what is purpose of three way manifold valve using for dp transmitter

1 Answers  

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What is the difference between Pressure Safety Valve and Pressure Relieve Valve, in what condition we prefer choose Pressure Safety Valve rather than Pressure Relieve Valve? and vice versa

2 Answers   Vedanta,

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What is the detail function of I/O card in DCS ? Why we dont use the I/O directly with controller?

3 Answers   Kekran Mekran, TCE,

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Difference HAZOP and HIRA

1 Answers  

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why cant we use mV instead of mA?

12 Answers   ABB, Power Grid, Qatar Gas, USW, Visa Steel,

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What are the characteristics of Control Valve

2 Answers   Ispat,

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how 3 out of 2 Logic/interlocks works? give brief explanation with help of diagram.

0 Answers   Adani Power,

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how to calibrate corollaries (Mass flow meter)?

0 Answers   Honeywell,

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What is the difference between PLC and DCS?

3 Answers  

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what is the importance of CV in the control valves? how it is calculated?

0 Answers  

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please send me gail format if u have... please help me if u can...

1 Answers  

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Can be operate control valve without positioning if yes ? how and why?

4 Answers   Focus,

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