what is the use of shield cable?

2 Answers  

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If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , then it will reaches again 50%, this type of action occured frequntly.. so what to do for solve this problem. The possible cause is in volume booster or positioner's relay.. positioner is double acting .. and make siemens..sipart.The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

2 Answers   Gujarat Fluorochemicals Limited (GFL), Shell,

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Explain the burnout feature.

0 Answers  

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why 4-20 mA in covection system?

3 Answers  

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which one is best profibus or RS485 for communication?

2 Answers   Honeywell,

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what is relation between electronics&instrumentation

4 Answers   Hindustan Zinc,

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Difference between dcs and plc including date processing and architecture.

0 Answers  

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hi friends,can u send me the link for downloading Allen_bradley_RsLogix_500_Pro_V_7.0 software with activation file.or how can i find activation file for this.

2 Answers  

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What is the Difference between E/P Positioner and I/P positioner in a control valve? In which applications the respective positioners are used in?

18 Answers   ADCO,

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what is the difference between servo valve & proportional valve

1 Answers  

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How many types of Control Modes in process control, plz tell me all.....?

2 Answers  

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3element

2 Answers  

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