Please anyone answer my question, what is the difference
between single acting and double acting control valve, in
what condition we better choose single acting rather than
double acting
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Answer Posted / b.c.bhatt
Basically single acting valves returns to their original
position as the control input goes off. These can have NO
or NC positions depending upon the application .In double
acting valves or bistable valves ,the position is retained
even when control input is withdrawn.
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