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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 )
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Answer Posted / b.kumaran
after doing all the priliminary inspection if u found the
valve is struck, u can directly give the air supply to the
actuator in a repeated manner.if the struck
is minor by repeaded giving of supply air will slowly
remove the struck.still its struck then loosen the body
bolts and try to open by the above method. If still there is
a struck up then u can remove the valve from the process
line, dismantle and clean the valve body whether any solid
material bloks the way.
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