when the operation engineer told you that he gives the
control valve order to open but there is no response !
what will you do ?
and if you found that there is astuck , what will you do ?
(note : it is apanumatic valve )
Answer Posted / aatif alvi
check if the proper volatage i.e 4-20ma is changing the the
operation engineer changes he valve position. if it is
changing the the problems might be with the solonoid..some
times moving the solinoid with screw driver makes it work
again,, as it got stuck due to rusting.
| Is This Answer Correct ? | 1 Yes | 4 No |
Post New Answer View All Answers
how to calculate the total flow in square root
this site is owned by an nonsense
what is sil (safety integrity level
why using negative supply for bentley nevada vibration system ?
A DP transmitter is used to measure the level of an open tank. The drain line of the tank is connected to a control valve, and is configured as, if the level of the tank is 90% the valve should get open 10%. And if the tank level is 10%, the valve should get open 90%. Draw wiring diagram and explain how to configure DP transmitter and control valve using HART communicator. If the span error at output is 1%, what will be the %opening of the control valve at 60% level of the tank?
What is instrumentation instrumentation engineering?
defination of radial vibration?
I installed the smartplant instrument v8, but can not be opened, that always said: "INTools 2007 hardlock no found". So Could you help me how to do for that?
What are the types of control valves available
Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?
Sir, I am working as a Instrument Engineer in Grasim Industries. Can any body provide question answer for interview purpose
flow transmitter formula?
Dear Friends, we are planning to design Power distribution and Fiber optic in the same cabinet.Like Front side Fiber optic and Rear side Power distribution.Is it any possibility of problem occurs like interference etc? Your answer is highly appreciate.
Reason for capillary type dp level transmitter fluctuation
why we are using drum level control valve air to close?