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 / s vedpathak
Basically both are same & there is no difference at all
between them.Both are used for controlling C valve. 4-20mA
input to the I/P (E/P) converter converts the current
signal to 3-15 psi which either goes directly to CV
actuator or thro positioner with or without booster(1:1 or
1:2).
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