why use on -off control valve in glove valve

1 Answers  

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Why some transmitter shows flow in MMWC and some in TPH?

2 Answers  

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if change the pid in D value so what action.

2 Answers   Siemens,

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why 1 to 5 vdc is used for output measurment

4 Answers  

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Close loop and open loop.

3 Answers   CCIE,

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How to measure the dust in chimney(spm)?

0 Answers   Thermax,

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in differential pressure transmitter,min&max pressure range for hp&lp

0 Answers  

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How much voltage we get between two wire of 4 to 20 ma output? Is this voltage up or down respectvice to 4 - 20 ma ?

9 Answers  

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diff between dead wt calibrator n pressue comparator?

4 Answers   Invensys,

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Calibration procedure for water rotameters

0 Answers   HPCL,

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draw shematic diagram of c/v positioner(smart type)?

0 Answers   Coromandel,

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What is paid how it works

0 Answers   KOC,

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