If the Barrier Fails during online then What will be the
control valve position in field or Positioner action in the
field.

Answer Posted / nikunj dungarshi furia

it will return to its position at no signal condition i.e.
either normally closed (air to open / fail closed) or
normally open (air to close / fail open)

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

PT RTD Range: -200 to 500 degree celsius If I configured in DCS Lower range and Upper range . In face plate it shows red colour due to overa range how was the characteristics look If the temperature is more than operating range. how was the characteristics look . whether its in Resistance vs Temperature curve is Linear or Non linear

1532


WHAT IS THE DIFF. BETWEEN SKIN TEMPERATURE AND PASSES TEMPERATURE..?

2084


we have level transmitter for h2s04 storage tank capacity 10k ,always there are failure of transmitter due to failure of magnetic floats ,please come up with solutions at the earliest.

1594


WHAT IS MEANT BY PROJECT MANAGEMENT STRATEGIES IN INSTRUMENTATION?

3032


I need to know steps to Calibration Valve Guard......

987






How to calibrate the flow transmitter

1042


How do bending tubing provide better measurement than using tubing fittings such as elbows?

1484


What is motion balance principle?

702


we are using centum vp as monitoring with Dell precision work station T3600 but some times PC(s) are restarted automatically . how we can solve this problem? thanks

1758


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

1697


find the kp ki kd from the transper function G(S)=29.44s+04707/1.5349s2+s

1462


How to convert milliampares into flow??

1273


centrifugal compressor interlock? Tell me the parameter at which compressor will trip

2684


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

1815


what is insdustrial vibration.who it works. give atleast 2 types of insdustrial vibration

1561