what is the difference between servo valve & proportional valve

1 Answers  

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in split range control system we are using two control valves,but we have only one positioner and one feed back link.so how we use this one feed back link for two control valves?

2 Answers  

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what is the diffrence between LCN and UCN

2 Answers  

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How to force the bit in GE Mark V?

1 Answers  

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why metallic housing is provided of solenoid valve.

1 Answers   HPCL,

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what is preventive maintenance , explain with difination

1 Answers   Bapco Bahrain Petroleum Company,

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What is a flow meter?

2 Answers  

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Q- voltage source of 12v is driving the circuit.if circut draw the current of 0.5A them source voltage will became 11.8v.what is the power dilevered by source when circuit draw 5A current ?

4 Answers   Ecil,

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Why all the drains(Gland sealing,ESV,Casing inlet etc) are directly connected to the flash tank instead of hotwell of the condensor in the power plant? My Email Id:naba02222@gmail.com

0 Answers   ABB, Jindal,

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What for barriers are used in DCS & PLC systems?

2 Answers  

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can you provide me full detail about instrumentation in ONGC??

0 Answers   BRML, ONGC,

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What is the load line in control valve?

1 Answers   IFFCO,

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