OIKM26-ENE

KM26MagneticLevelGaugesOperationinstructionmanualOI/KM26-ENRev.E04.2012IntroductionWithover350,000installationsworldwide,theKM26MagneticLevelGaugehasprovidedcustomengineeredsolutionstoliquidlevelapplicationsinindustriessuchas:oilandgas,refinery,chemical,petrochemical,powergenerationandmanymore.TheKM26MLGhasprovenitselftobeasafe,reliable,maintenancefreesolutionfortotaland/orinterfaceleveldetectionintoxic,corrosive,highpressureandhightemperatureprocesses.ABBoffersthestandardKM26MagneticLevelGaugewithachamberofvirtuallyanynon-magneticmaterial,extrudedprocessconnections,acustomengineeredfloatandallaccessorieswith316stainlesssteelconstruction.ABBalsooffersadualchamberredundantlevelsystem,whichhasaprovenrecordofimprovingfeedwaterheaterreliabilityinpowerplantsaroundtheworld.TheMagWavecombinesahighlyvisiblemagneticlevelindicatorwiththepreciselevelmeasurementofaguidedwaveradartransmitter.RedundantlevelcontrolcanbeachievedbyaddingamagnetostrictivetransmitterorswitchtothefloatchamberMagneticLevelGauge,MagWaveDualChamberLevelSystemandExternalChamberK-TEKProducts2KM26MagneticLevelGauge|OperatinginstructionmanualTABLEOFCONTENTS1.INTRODUCTION..............................................................................................................................................31.1GeneralDescription......................................................................................................................31.2DetailedDescription......................................................................................................................31.3TemperatureConsiderations.........................................................................................................42.STORAGE&HANDLINGINFORMATION........................................................................................................43.INSTALLATION................................................................................................................................................43.1FloatInformation...........................................................................................................................43.2Leveling.........................................................................................................................................53.3LimitSwitches...............................................................................................................................53.3.1LimitSwitchUse............................................................................................................73.3.2GeneralInstallationGuidelines.....................................................................................83.4MagnetostrictiveTransmitterInstallation.......................................................................................93.5IsolationValves...........................................................................................................................103.6PressureTesting..........................................................................................................................113.7Insulation......................................................................................................................................113.8ScaleZero....................................................................................................................................113.9ReplacingIndicatorTube.............................................................................................................113.10InsulationInstructions................................................................................................................113.10.1InsulationPads.........................................................................................................123.10.2PipeWrapBlanket...................................................................................................133.10.3CryogenicInsulation.................................................................................................134.TROUBLESHOOTING....................................................................................................................................144.1IndicatorDecoupling...................................................................................................................144.2FloatSinksorSticks...................................................................................................................144.3SwitchDoesNotWork................................................................................................................145.PARTSORDERING.......................................................................................................................................156.CUSTOMERSPECIFICPRODUCTINFORMATION.....................................................................................157.APPENDIXA.................................................................................................................