Foe selecting control valve if i have the min,normal & max data of flow rate,inlet pressure& outlet pressure,inlet tem.&density than how can i assure that these data are correct,pl. let me know if therew there is any method to check it.& also how we assure that the Cv we get from this data is suitable for valve for controlling require flow.

3 Answers   HPCL,

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y v r connecting 250 ohms resistor in series when u cummunicate with BT in bench calibration?

5 Answers  

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Why humidity limit is 30 to 55 % for raw material storage?

1 Answers  

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How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.

0 Answers  

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what is RPI and NUT in controlnet networx. what happen if we are increase the NUT of controlnet networx?

1 Answers   Schneider,

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what is difference between differial pressure & delta pressure?

3 Answers  

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who to convert dc to ac

7 Answers   ONGC,

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while am calibrating Drager polytron 2IR flame gas detector occured non zero status.how can i get zero status?

0 Answers   Gasco,

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Why the Air Tank Accumulators required for the single acting actuators SDV's or BDV's as I see in some Schematic diagrams of ROTORK ??

2 Answers   L&T, Siemens,

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what is the meaning of HART ?

2 Answers  

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what is the use of conrol cable..?

1 Answers  

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why we require Differential pressure?Why we use Orifice Plate?

3 Answers  

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