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in the pipe line if the control valve fails to respond to
controller action,by what means we can stop the flow in the
pipe line ?
- 9 Answers
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Answers were Sorted based on User's Feedback
Answer / renjith
For every control valve there will be option to manually
close the valve by adjusting a screw.
| Is This Answer Correct ? | 11 Yes | 1 No |
Answer / priya sharma
u can stop the air supply with the control valve accessory
that is the AIR LOCK
| Is This Answer Correct ? | 9 Yes | 0 No |
Answer / nilmaheshin@yahoo.co.in....jit
Chitanya wrote correct answer. Priya and renjith are also
correct. But dear when any body is not present in field at
that time fail safe action is responding
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / karthikeyan
absolutely right answers(1&2)....we can operate in manually,and also to remove the air line because feed water control valve should be a air to open,in this if air fail it should be close....
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / ashwin jain
but wat happen if no 1 is there to control
manually..chetanya's answer is correct....
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / mrmk
Good Suggestion.But if a control valve fail to operate
there may be so many reason.In practical,If you want to
isolate/stop the flow immediately it can be done easily by
closing upstream isolation valve.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / deepak
if something stuck in control valve then what will u do??
| Is This Answer Correct ? | 1 Yes | 0 No |
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