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Answer Posted / rajkumar.diice
The signal type depends on
the location of control valve!
For explosive hazard area the
signal be pneumatic and be 3
to 15psi! The converters be
mounted in somewhat
distanted area! For all control
valves the signal be 4to 20mA
over 1to 5 volts from a
control room! For inbuild
current to pressure
converters control valves the
signal be 4to20mA over 1to
5volts dc
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