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WHICH INSTRUMENT USED TO CALIBRATE CONTROL VALVE?
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Answer Posted / dhanasekaran c
Depends upon the valve. Pneumatic calibrator for 0.2to
1.00kg/cm2 Valve.For Electronic positioner( 4-20ma) We can
use Loop calibrator. For Smart type of positioner fixed
valves smart calibrator 275 or 375 or 475(latest) must be
used. Field bus MC5 hand held calibrator can be used.
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