without a positionar can a control valve operate? give the difference of operating with positionar and without positionar?

5 Answers   IOCL,

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Is wet leg type system nessesary to measure water level of steam DRUM? How the transmitter is calibrated to measure this level?

0 Answers  

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What should be hight of CONTROL panel for access & OPERATION What is BIS & INDIAN STD for SAME?

3 Answers  

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sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com

0 Answers   HPCL, TCS,

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If Solenoidal valve works in manual mode but not in Auto mode. What should be the problem?

8 Answers   Bharathi Cement, Titanium,

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On liquid service if PT Head is 18 meters. How much pressure will be exerted on it. If Transmitter is not in service?

1 Answers  

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Why do we use triad cable for RTD to Temp.transmitter connection? Why we don't use 3 core cable?

1 Answers   Process Control Technologies,

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why do we use 4-20 ma current why cant o-20ma

6 Answers   Southwest Cheese,

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tell me the temp range of rtd?

8 Answers  

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What is the purpose of the analyzer in petrochemical plant?

0 Answers   ENI, Lakshmi Machine Works,

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i am confusing about differential pressure transmitter as i seen so many DPTs in different ranges how can we calculate level and flow with mmh20 plz tel me

1 Answers  

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if drum level is low what is interlock? i mean we put interlock to fd fan or id fan ?

4 Answers  

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