Answer Posted / tarun
CONTROL VALVE HAVE MOSTLY 3 PART BODY,BONNET AND
ACTUTOR,CONTROL VALVE REQUIRED AIR SUPPLY 20 PSI OR 140KPA
AND SIGNAL 4TO20MA AND TOOLS AND STANDURD P.G OR DRUCK. SO
FINNALY WE USE ENOMET SOURSE, DRUCK, OR REGULATOR AND AIR
SUPPLY REQUIRED
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