I am applied 100 % pressure on to the air to open control valve,but the valve is not fully closed..and 10-15% is open the valve. how to calibrate the control valve?
Answer Posted / oliver
in postioner there are span and zero setting. with the help of span n zero we can adjust it.
if your valve is not fully close than use zero setting, and if it is not fully open than use span setting.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
What is instrumentation control?
If relative y axis vibration sensor is by passed, and relative x axis and absolute sensor is left working. how much monitoring i would have risked?
What you mean by multi stage control vavles?
What is the use of temperature compensation?
SOME OF YOUR QUESTIONS ARE NOT MAKING ANY SENSE SO TRY AND PUT IN A LITTLE BIT MORE EFFORT BEFORE YOU POST A QUESTION. WE WILL ONLY HELP THOSE WHO WE CAN SEE ARE TRYING TO HELP THEMSELVES.
hii my name is sujith...i am preparing for HPVL GET 2010... so ,,,pls help me by send any previous questions or material to my site.....(Msujith_12@in.com) thank q
on interface level transmitter model(RTG3302-EMERSON) What is threshold valve how can we select correct threshold value T1,T2,T3,T4 When interface water & hydro carbon
centrifugal compressor interlock? Tell me the parameter at which compressor will trip
In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.
how to calibrate 0- 150 psi presure gauge by dead weght tester
Which type of diagphram use in costic line,DM water line,natural gas line,oil line?
Name different types of bourdon tubes.
What are the types of valves?
I WANT SECURITY PAPER MILL, HOSHANGABAD TEST PAPER.KINDLY SEND TO MY MAIL ID
How can you add value to this Industry if offered the job?