WHICH INSTRUMENT USED TO CALIBRATE CONTROL VALVE?
Answer Posted / veerababu
ma FEEDER IS USED FOR CALIBRATING THE CONTROL VALVE AND
GENERALLY WE ARE ADJUSTING VALVE POSITION 0%,25%,50%,75%
and 100%AT 4,8,12,16 and 20ma.
| Is This Answer Correct ? | 31 Yes | 7 No |
Post New Answer View All Answers
How does temperature bath work? How does coil gets heated only by applying some current?
we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.
how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.
all types instrumentation questions want
We are using Rosemount 5400 series Radar Level Transmitters in all types of Sump Applications having oily water hdrocarbon petrochemical nature. What we are facing the problem frequently is that always getting reading frezzed at some value. If we do power recycling , sometimes it is working . then making same freezing problem. If anybody faced before such type of problem and also having solution , Please give the answer.
What is solenoid valve? Where it is used?
What is furnace draft control?
whats the abbreviation of IOP? is it instrument of power or input open problem?
How it the difference between force balance system and dispalacement balance system?
which type of zones used for boiler? & why ?
For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?
The Design Calculation of Level Transmitter For Different Structure open & Closed Vessel, Eg. Diff. Level Tx., Capacitance For Continous Operation
Draw symbols of the following :
What is Span Error
What inherent design and operating principles are included in a modern control system to use predictive maintenance practices to increase overall system reliability?