what does a positioner in control valve ?

11 Answers  

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dear friends, i have seen flow as the selection critriea in presure guage (bourdon tube) and i would like to know what is the relation between flow and performance of pressure guage other parameters i found in the data sheet are pressure max. 1ksc temperature max. - 50 deg c line size - 80NB operating range - 1ksc pr. guage range - 0-2 ksc thank u,

0 Answers  

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There are many type of control cable like pair,core,tried, What are defination each one

0 Answers   Birla,

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What are the different modes of a contollogix family processor? How they work?

3 Answers   Honeywell, Siemens,

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Why Instrumentation Air Compressor called as Instrumentation Air compressor?pls dont just tell its trasferring IA to all transmitter,valves.I need exact reason, please......................

2 Answers  

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For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

0 Answers  

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What is the difference between compensation and extension cable.

11 Answers   HPCL,

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what is piezoelectric transducer?give an example in power plant n state its principle?

0 Answers   Jindal,

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what is diff between sensors and transducers.explain with ex?

15 Answers  

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Range 8 Kg/cm2, alarm to be set at 2Kg/cm2, at wat pressure reciever switch to be calibrated? justify the ans?

3 Answers  

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Calibration of controller (pneumatic)

0 Answers   CCIE,

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how to define range of dp level xmeter in open tank

1 Answers  

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