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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 ?

Answers were Sorted based on User's Feedback



in the pipe line if the control valve fails to respond to controller action,by what means we can s..

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

in the pipe line if the control valve fails to respond to controller action,by what means we can s..

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

in the pipe line if the control valve fails to respond to controller action,by what means we can s..

Answer / chaitanya

Generally if the control valve is not responding to
controller based upon its control philosophy it may get
operated by interlocks or it may go to fail safe condition
of the control vavle

Is This Answer Correct ?    6 Yes 0 No

in the pipe line if the control valve fails to respond to controller action,by what means we can s..

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

in the pipe line if the control valve fails to respond to controller action,by what means we can s..

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

in the pipe line if the control valve fails to respond to controller action,by what means we can s..

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

in the pipe line if the control valve fails to respond to controller action,by what means we can s..

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

in the pipe line if the control valve fails to respond to controller action,by what means we can s..

Answer / deepak

if something stuck in control valve then what will u do??

Is This Answer Correct ?    1 Yes 0 No

in the pipe line if the control valve fails to respond to controller action,by what means we can s..

Answer / thiagaraj

thnx priya;ranjith.nilmaheshin nd karthi

Is This Answer Correct ?    0 Yes 0 No

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