RMG650 指挥器操作维护备件手册

servingthegasindustryworldwideoperationandMaintenance/sparePartsrMgregel+MesstechnikgmbhPilotrMg650650.20edition01/2009ContentsPage1.Generalinformation31.1Safetyinformation32.Specificoperatinginstructions42.1Adjustingauxiliarypressure42.2Dischargevalve43.Specificmaintenanceinstructions4,53.1Tighteningtorques53.2Lubricants53.3Safeguards54.Spareparts4.1Flowdiagram64.1.1.1PilotwithdiaphragmmeasuringunitWd0.5barto40bar.FOexecution,seeX.74.1.1.2Pilotwithmetal-harmonicameasuringunitWd20barto90bar.FOexecution,seeX.84.1.2Sparepartslist9,104.2Flowdiagram114.2.1.1Pilotwithel.remotesetpointadjustmentdiaphragmmeasuringunitWd0.5barto40bar.FOexecution,seeX.124.2.1.2Pilotwithel.remotesetpointadjustmentmetal-harmonicameasuringunitWd20barto90bar.FOexecution,seeX.134.2.2Sparepartslist14,154.3Flowdiagram164.3.1PilotwithenlargeddiaphragmmeasuringunitWd0.3to1.0bar174.3.2Sparepartslist184.4Flowdiagram194.4.1Pilotwithdiaphragmmeasuringunit–forpn.Resultantvalue204.4.2Sparepartslist214.5Stages4.5.1.1Automaticload-limitingstagePilotcontrolstageforpn.Resultantvalue224.5.1.2Sparepartslist234.5.2.1Pilotstagewithmetal-harmonicameasuringunit244.5.2.2Sparepartslist254.5.3.1Pilotstagewithdiaphragmmeasuringunit264.5.3.2Sparepartslist274.5.4.1Pilotstagewithenlargeddiaphragmmeasuringunit284.5.4.2Sparepartslist294.6Partsformaintenancepurposes30650.20S.02650.20S.03NoteCaution!Dangerofdamagetopropertyand/ortheenvironmentImportantadditionalinformationEyecatcherusedfor:Danger!Dangertolifeandlimb1.GeneralinformationAllpersonsinvolvedwiththeassembly,operationand/ormaintenanceofgaspressureregulatorsmustreadandunderstandallofthefollowingdocuments:–Technicalproductinformation(brochure*.00)–itcontainsthetechnicaldataanddimensionsoftheequipmentaswellasinstructionsconcerningconstructionandmodeofoperation.–Generaloperatingmanualforgaspressureregulatorsandsafetydevices–thisRMGdocumentcontainsinformationonassemblyandoperationaswellasgeneralinformationontroubleshooting.–Operatingandmaintenanceinstructions/spareparts(brochure650.20)–thisdocumentcontainsmoredetailedinformationonassemblyandoperationofthegaspressureregulator.Italsocontainsthemaintenanceinstructions,sparepartsdrawingsandlistsoftheactuatorunit.–PilotRMG650isanintegralcomponentofthecontrolunitandisdescribedinthisdocument,“Operatingandmaintenanceinstructions,spareparts”.–othercomponents:FilterRMG905905.20OverpressureprotectionRMG925925.20Therearenationallawsandregulationsforallsortsofjobsongaspressureregulators,fromplanningtomaintenance.Besuretocomply.(InGermany,forinstance,DVGWworkinginstructionsG600,G459/II,G491andG495.)Inspectionandmaintenanceintervalsdependmostlyonoperatingconditionsandthenatureandpropertiesofthegas.Therearenofixedrulesorrecommendationsforintervals.ForGermany,werecommendyoustartbycomplyingwithmaintenanceintervalsasstatedinDVGW,workinginstructionG495.However,inthemid-term,intervalsmustbeadaptedtotherequirementsofeachspecificstation.Duringmaintenance,componentsmustbecleanedandthencheckedthoroughly.Thisisnecessaryeveniftherehavebeenanyunusualobservationsduringoperationand/orfunctionaltesting.Checksmustfocus,inparticular,ondiaphragmsandsealingringsandallmovablepartsandtheirrespectivebearings.Anyandalldefectivepartsmustbereplacedwithnewones.ThesameappliestoOringsremovedduringdismantling.Itemnumbersmentionedinthespecificoperatingandmaintenanceinstructionscorrespondwiththenumbersinthesparepartslistsanddrawings.Somepartsinthelistsanddrawingsaremarkedwithaletter“W”.Werecommendyoualwayshaveareserveofthosepartsinstockformaintenancepurposes.Thosesparepartsaregivenseparatelyattheendofthesparepartslist.1.1SafetyinformationInthismanual,safetyinformationishighlightedbymeansofthefollowingtitlesandeyecatchers:650.20S.042.Specificoperatinginstructions2.1AdjustingauxiliarypressureTheselectedauxiliarypressuresettingshaveasignificantinfluenceonthecontrolbehaviouroftheequipment.Inordertoachievethebestpossiblecontrolprecisionatalowclosingpressure,theauxiliarypressureshouldbesetashighasthestabilityofthegaspressureregulatorwillallow.2.2DischargevalveThereisnoneed,inmostcases,tochangethesettingsmadebyRMG.Differencebetweenauxiliaryandoutletpressure:about5to10barhigherNotetAdjustmentValvehousingDiaphragmHexnutPencilmarks:fortheendstopsforthecentrepositionAdjustingdiaphragmsystemDuringassembly,thediaphragmsystemmustbesecuredinasuitablemanner:Findthecentrepositionbyfirstturningallthewaytotherightandtotheleft.Thisiswherethetransverseboresofthejunctionpiece(122,158,222,263)andthevalvehousing(121,171,221,261)align.tJunctionpiece(158)Completelyassemblethejunctionpiece.GreasewithLOCTITEtothethreadedstemandintroduceitintotheconnectionconeofthemetalharmonica(173)untilthetransverseboreofthejunctionpieceis0.5to1.0mmdeeperthanthetransverseboreofthevalvehousing(171).Thetwotransverseboresmustalignprecisely.Caution!3.SpecificmaintenanceinstructionsBeaddiaphragm(119,169,219,260)Duringassembly,observethecorrectmountingpositionoftheloop(seesparepartsdrawingsofthevariousstages)Diaphragmdisc(107,154,207,276)Whentighteningthe