Single acting ON-OFF valve. it is air to open. when sov energized , valve will be open, so during that if air fail then what will be the condition of valve ( open or close ) ???

4 Answers  

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What is the basic difference between 2 Wire, 3 Wire and 4 Wire RTD

2 Answers  

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WHAT IS THE DIFF BETWEEN FREQUENCY AND INTENSITY?HOW IT WORKS IN FLAME SCANNER ?

1 Answers  

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How to calibrate capillary type level transmitter

0 Answers  

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1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?

0 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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what is the process for double acting cylinder pneumatic for 32' v/v

0 Answers  

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give me the formula for analog to digital converter and also d to a converter

0 Answers   ACC,

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i need some objective type questions in instrumentation

0 Answers  

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where proximity sensor installed on tank in loading arm application

0 Answers   Kalpena Industries,

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Displace type LT to be calibrated in workshop, wt. 40, dia- 60 mm, density- 0.8kg/cm3.

0 Answers   CCIE,

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What is 3 selection available when configure the burnout protection for controller

0 Answers   EI Electrotechnical Institute,

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