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What is the Difference between E/P Positioner and I/P
positioner in a control valve? In which applications the
respective positioners are used in?
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Answer Posted / abhinendra singh bhadauriya
i/p is a converter that converts 4-20 ma input signal to an
pneumatic signal(3-15 psig or 6-30 psig).i/p converter took
the input in the form of current (ma)and produce an output
in the form of pneumatic signal (air)which is used to
maitain the position of control valve.
but e/p positioner is an device which also reside i/p
converter inside it along with the positioner , means e/p
positioner is the combination of i/p converter and
positioner which receive the electric signal (as current or
voltage)and convert it in pneumatic form which is
responsible for the operation of control valve.
thangs
| Is This Answer Correct ? | 8 Yes | 4 No |
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