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 / 808
Simulate 4-20mA it with a DMM at control valve. If it works
there, then check wiring.
Is This Answer Correct ? | 1 Yes | 3 No |
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