OperativeThelackofknowledgeoftheoperativestaffabouttheoperatinginstructionhandbooksuppliedbySERVOVALVEinthelanguagespecifiedintheorder,cannotbeascribedtoSERVOVALVE.1General1.1Thismanualgivesinstructionsforstandardpacking,carriage,handling,storage,assembling,disassembling,starting-upandmaintenanceoftheactuatorinobject.WorkinginterruptionsanddownDamagesduetoaprolongedworkinginterruptionand/ordowntime,duringwhichtheactuatorwasnotinsuchconditionstoassureaperfectpreservation,willbethecustomer’saccount.FordifferentconditionsSERVOVALVEmustbeinformbeforeorderandsupply.ActuatorAnyactuatormodificationhastobecarriedoutinSERVOVALVEworkshop.Anydamageduetoanymodificationcarriedoutbythecustomerorbythirdparties,willbeonthecustomer’s1.2OperativeThelackofknowledgeoftheoperativestaffabouttheoperatinginstructionhandbooksuppliedbySERVOVALVEinthelanguagespecifiedintheorder,cannotbeascribedtoSERVOVALVE.1General1.1Thismanualgivesinstructionsforstandardpacking,carriage,handling,storage,assembling,disassembling,starting-upandmaintenanceoftheactuatorinobject.WorkinginterruptionsanddownDamagesduetoaprolongedworkinginterruptionand/ordowntime,duringwhichtheactuatorwasnotinsuchconditionstoassureaperfectpreservation,willbethecustomer’saccount.FordifferentconditionsSERVOVALVEmustbeinformbeforeorderandsupply.ActuatorAnyactuatormodificationhastobecarriedoutinSERVOVALVEworkshop.Anydamageduetoanymodificationcarriedoutbythecustomerorbythirdparties,willbeonthecustomer’s1.2ActuatorSERVOVALVEwarrantsthattheactuatorisincompliancewiththedocumentsandthespecificationsindicatedintheCustomerpurchaseorder.Warrantydeclinesincasetheactuatoristamperedbythird-partieswithoutSERVOVALVEauthorization.Moreover,SERVOVALVEwarrantsthatmaterialsandequipmentsuppliedtogetherwiththeactuatorarenewandthattheproductdevelopedbySERVOVALVEissuitabletoitsfinalscopesandpurposes.Herebelow,generalstandardsregardingactuatorpacking,handling,carriage,storage,assemblinganddisassembling,start-up,maintenanceandrepairarereported.WARNING:thelackofrespectoftheabovementionedstandardswillinvalidSERVOVALVEEverySERVOVALVEproductiswarrantedforadefinedtermstartingfromdeliverydatefromourworkshop.Withtheonlyexclusionofthewearingcomponents,theactuatorsarewarrantedfor5yearsfromstartup,providingthegasketswillbereplacedafter5yearsfromdeliveryatthelatest.WerecommendtoaskaServovalveserviceengineerforsupervisionatthestart-up(availableatA.NI.MAtablecostsvalidintheperiodofthestartup).1.3Beforedelivery,everyactuatorispackedontopallets,cagesorcases,inordertopreventitfromdeteriorationduringshippingandstorage.EnvironmentalworkingThewarrantyisvalidforenvironmentalconditionsspecifiedontothedata-plateandmaximumhumidity60%.Particularconditionsashighsalinity,presenceofcorrosiveelements,highhumidity,tropicalorarctictemperatures,seismicrisks,highvibrationsmustbespecifiedbytheCustomerwhenheplaceshispurchaseorder.Exceptforspecificrequestsduringorderissue,standardSERVOVALVEpackagesaresuitablefortransportonvehicleswithchestprotectedfromatmosphericagents.1.4Brieftimestorage(lessthanthreemonthsfromtheshippingexourworkshop)Besurethatactuatorsarestoredinaclosedanddryplace,ontopalletsandprotectedfromdustandhumidity.Installation/workingParticularlytroubledinstallationandparticularlyseveredutyhavetobespecifiedduringorderissueinordertotakeintoaccountthenecessarytechnicalmeasures.LongtimeActuatorshavetobestoredincasesorcageswithsuitablewaterproofcoating.Damagesduetocorrosion,fouling,pollution,oxidation,dust,wearorprogressivedeterioration,causedbyenvironmentalworkingconditionsorcausedbyseveredutyandinstallationconditionsforwhichthecustomerdidnotspecifytheadaptabilitylimits,willbeonthecustomer’saccount.Outdoorstorageoftheactuatorisnotforeseen,unlessitisspecifiedinthepurchaseorder.EquipmentGuaranteeconditionsofanequipmentinstalledontoaSERVOVALVEactuatorrefertotheonesestablishedbytheequipmentsupplier.Repairs/replacementsandguaranteeIfanyparthastoberepaired/replacedbecauseofbadfunctionalityordamageduetoSERVOVALVEmanufacture,thereplacement/repairhastobecarriedoutexourworkshop.Theguaranteeextensionwillbeequalto12monthsstartingfromtherepair/replacementdateanditwillcoveronlytherepaired/replacedpart.Incaseofuseofnon-originalsparepartsbythecustomer,SERVOVALVEdeclinesallresponsibilitiesforindemnityon-Checktheintegrityandfunctionalityofthelifting1.5Handlinghastobecarriedoutbymeansoffixedandmovingdevicesthataresuitablefortheactuatorweight.Besides,handlinghastobecarriedout-Checktheintegrityandfunctionalityofthelifting1.5Handlinghastobecarriedoutbymeansoffixedandmovingdevicesthataresuitablefortheactuatorweight.Besides,handlinghastobecarriedoutbyqualified1.6Inordernotdodamagetheactuatorduringdelivery,proceedasfollows:-Putthepackagesinpositionthatcouldnotbemovedorknockedbychance.AvoidanycontactwithchemicallyaggressivefluidsorTheexternalsurfacesnotmachinedarepainted;takeextremecarenottodamageitduringcarriage.Donotputthepackingoneuponanotherifnotindicated.Respecttheindicationswrittenonthepackage(fragile,high,low…).Packingmovementhastobemadebyqualifiedpersonnelfollowingthesecuritystandardinforce.-Actuatorswhoseweightismorethan25kgareprovidedwitheyebolts,hooksorliftingpointsforthehandlingwhenareusedcranesorothermechanicalliftingsystems.Liftingpointsaresizedforhandlingonlytheactuator.Itisforbiddentousetheactuatorliftingdevicesinordertohandletheassemblyvalve+actuatorortohandleotherequipmentlinkedtoit.WARNING:theactuatormustbehandledandliftedwiththetwooutsideliftingdeviceseesketch1.7Onlyqualifiedpersonnelcancoupletheactuatortothevalve.Whencoupling,followthesecuritystandardinforceforthiskindofoperationbothforpersonnelandmachinery.Indetail,followeveryparticularprescriptionindicatedinthisinstructionhandbook.ActuatorcouplingtothevalveisnotunderSERVOVALVEresponsibilityand,thereforeitisnotcoveredbySERVOVALVEWRONG-Beforeassembling,checktheactuatorpreservationstatebecausecorrosion,eventualknocksoreventsthatreducethesafetyorthefunctionalityperformanceduringpacking,carriageandstorageoftheproduct,couldhappen.Qualifiedpersonnelmustassemblethemechanical,pneumatic,hydraulicandelectricalpartsinastateoftheartRespecteverysafetystandardinforcewhenconnectingtoenergysources(electrical,pneumatic,hydraulic…).RIGHT1.8StartingBeforetheactuatorstartsoperating,checkitscorrectCheckiftheelectricalconnectionsarecorrect,checkifthevoltagesupplyiscorrect(asrequiredbythesuppliedequipment)andcheckiftheactuatorisgroundedthroughthespecificgivenpoint.Checkifthehydraulicconnectionsandthemediumsupplypressurearecorrect.Checkifthesafetydevicesforpressureparts,whereforeseen,areworkingproperly.Checkifthecouplingactuator-valveisCheckiftheactuatormovementisCheckifthemechanicalmovingpartsarelubricated(ifitisrequired).-Handlinghastobecarriedoutwithbypersonnelwithoutcausinganydamagetothepackingordertoguaranteeanadequateprotectionofthe-Handlinghastobecarriedoutinsuchconditionstoavoiddamagetheequipmentinsidethepackage,respectingtheindicationsonthepackagesurface.Duringhandlingtakecarenottodamageunmachinedsurfacesandnottodamagethepaint.Itisnecessarytomakefewtestingmaneuverschecking--PartsunderpressuredonothaveMechanicalpartsareabletomovewithouthuntingorThedriveandregulatingequipmentworkinacorrectTakealwayscare,whenhandling,thattheactuatordoesnotfalldownanddoesnotcausedamagesifitishandledoverstaffareasorotherworkshopareasAlwaysrespectthesafetystandardsin-BeforemakingeveryhandlingoperationitisnecessaryQualifiedpersonnelmustknowthetechnicalcharacteristicoftheliftingdeviceused.PersonnelmustnothavebodyorpartofitundertheliftedBeforemakinganylifting,preparethesupportsurface.Donotusetheliftingdevicesattheirmaximumrangeoraboveit.1.9Common-Donotexceedactuator’sfluidmaximumpressuregivenonthedata-plate.Donotexceedactuator’smaximumtemperaturegivenonthedata-plate.2.4-2.4.1Operating-Actuatormustbejoined1.9Common-Donotexceedactuator’sfluidmaximumpressuregivenonthedata-plate.Donotexceedactuator’smaximumtemperaturegivenonthedata-plate.2.4-2.4.1Operating-Actuatormustbejoinedtothevalvetobeactuatedonlybymeansofthesuitablecouplingdevices.Thesedevicesshallprotecttheactuatorfromexceedingthemax.allowabletemperaturegivenonthedataplateEventualadditionallinks/jointsareforbidden.Hotsurfacesintheplantshallbeprotectedbysuitablemeansforpreventingpotentialignitionduetofluidleakage(adoptedfluidfeaturesshallbesuitablefortheoperatingconditionsspecifiedduringquotationphase).Itisforbiddentounscrewnutboltsofthepressurevesselineverysituationbutinmaintenance,wheretheoperatinginstructionhandbookhastobefollowedMaintenanceoperationsmustbecarriedoutbyqualifiedpersonnel.Thispersonnelmustbeperfectlyacknowledgedaboutoperativetechniquesandaboutsafetystandardsinforce,therespectofwhoseisnecessaryforitssafetyandthesafetyofotherpeople.-WARNING:beforedisassemblingtheactuatorfromthevalve,maintenancepersonnelmustassureitselfthatthevalveisdepressurizedandthateveryconnectiontoenergyfeedsiscut-off.-Forsafetyreasons,maintenancepersonnelmustalwayswearduringmaintenance:-Itisforbiddentounscrewthespringcartridgesafetyboltsineverysituationbutinmaintenance,whereoperatinginstructionhandbookhastobefollowedItisforbiddentoperformweldingormodificationsontothepressurevessel.Actuatorisnotsuitableforinstallationsinenvironmentalconditionsdifferenttothosespecifiedinthepurchaseorder.Itisforbiddentohandletheassemblyvalve+actuatorwiththeactuatorliftingdevices.Beforestart-up,checkifanypartoftheactuatorhasbeendamaged.Beforestart-up,checkiftheactuatorhasbeengroundedthroughthespecificgivenpoint.ActuatorisdesignedtoresisttonostressesbuttothoseforeseenforactuatingthevalvetowhichitisAvoidworkingconditionwithvibrationswithtoohighintensityandamplitude.Avoidtoputhands/fingersonactuatormovingpartsduringworkingconditionsPerformmaintenanceforeseenbythe--Noparticularmaintenanceisrequiredfortheactuator.Periodicalinspectionscanbedoneduringtheworkinglife,theinspectionfrequencyisduetoenvironmentalanddutyconditionsintheplant.Dynamicsealsandmechanicalpartsinmovementhaveanaveragelifeofyearsinstandardworkingconditions.-Forthesepartsitisadvisedayearlycheckanditisadvisedtoforeseeaneventualreplacementofthesealsaftertwoworkingyears.--Partsnotsubjectedtoweararesizedforalongworkingtimeeveninheavyorseveredutyconditions.-Foreveryotherrestriction/caution,refertotheoperatinginstruction2.5Spare2.5.12GeneralRackandpinionactuatorsaredesignedforthetransmissionofhightorquesontheoutputshaft.Theyareparticularlysuitedforoperatingbutterflyvalvesorballvalveswithaworkingangularmovementof90°(+/-4°).Thisactuatorconsistsofarackandpinionkinematismthattransformsthelinearthrustofasingle-actingpistoninatorqueontheoutputshaft.Theactuatorcanbeequippedwithhydraulicandelectriclocalorremotecontrol.Thesuggestedsparepartsfortwoyearsarepointedouttopart3.4.ToorderactuatorsparepartsorequipmentsuppliedbySERVOVALVE,specifytheactuatorserialnumberindicatedontotheactuatordata-plate.Onlyiftheactuatorserialnumberisnotavailableforanyreason,thecustomerhastospecifyasmostinformationaspossible,like:SERVOVALVE’spurchaserPurchaserOrderReferencetoaSERVOVALVESERVOVALVEjob2.1Thepressurizedmediumsuppliedinsidethecylinderpushesthepistonwhichmovestherackandpinionmechanism,atthesametimeproducedthespringscompression.Whenthepowersupplyfails,theextendingspringforceprovidesatthenecessarytorquefortakingbackthevalveshaftintheoriginalposition. ActuatorandequipmentpartAlltheactuatorpartsarelistedintheactuatorsectiondrawingpartlist.Suggestedsparepartsforthecommissioningand/ortwoworkingyears,iftheyarerequired,areshowedaheadinpart3.ofthishandbook.2.2EmergencymanualNot2.3CouplingtotheForcouplingseedescriptionpos.2.7CYLINDEROIL2.7.1-2.7CYLINDEROIL2.7.1-Forremovingcompletelytheoilthatremainsinsidethecylinderandthehydrauliccircuitproceedasfollow:2.7.2-Puttheactuatorinthepositionofvalveopen,bygivingoilpressuretotheP-line,inordertodischargetheoilinthepistonback-room.2.7.3-Keepingclosedthetwoquickdischargevalves,provoketheslowclosureoftheactuatorviatheon/offsolenoidvalveorviathemodulatingvalve,inordertodischargetheoilinthepistonfront-room.2.7.4-OpenthequickdischargevalveanddisconnectP-linepiping(oilsupply)andtheconnectionwithHPU.2.7.5-Takethetwoplugsoutfromthetopandbottomoftheexternalcylinderandlettheoilleaktillitstopflowing2.6RecommendedCheckthattheactuatorisrigidlyfixedtotheCheckthattherearenosignsofcorrosionontheCheckthattherearenofluidChecktherearenotacontinuousfluidleakagefromtheexhaustpipeofthecylinderCheckthefiltervisualcloggingCheckeveryrevisioninterval(12months)thatthepressuresforopeningthevalveversus0°and90°openinganglearerespectively24,8barg+/-15%and42,8barg+/-15%LooseningofthecouplingnutsPossiblebadworkingorSealsdamagesLeakagefrompistonsealsFilteringcapacityexcessivediscspringthevalveorintheactuatorLockallthecouplingRepairthecorrosionsignsandre-painttheactuatorReplacestaticsealsValveandactuatorTechnicalValveForcouplingtheactuatortothevalve,proceedasfollow(allthedisplayedpositionsthatfollowinthispartrefertotheenclosedsectiondwg):RemovethemechanicalstopTechnicalValveForcouplingtheactuatortothevalve,proceedasfollow(allthedisplayedpositionsthatfollowinthispartrefertotheenclosedsectiondwg):Removethemechanicalstopscrewcap(206)andcompletelyunscrewthemechanicalstopscrew(203).SetthevalveandtheactuatorinthecorrespondingfailInsertthevalveshaftintotherackAdjusttheactuatoralignmentinrespecttoflangeusingthemedium;Fixthecouplingwiththeblockthevalve3.1.1“T”linefillingAtthestart-up,makeacertainnumberofopening/closingstrokestillthedischargepipingisfull.Then,inordertocheckthattheexternalcylinderiscompletelyfullofoilwithoutpresenceofairinside,proceedasfollows(referringtopicture4)taketheplug(982)outandlettheaireventually whenfromtheaforementionedplugonlyclearoilgoesout(notfoamyoil),thenputtheplugonceagainonitsplace.Picture3.2StopscrewCouplingvalveandactuatorflanges,setthestopscrewsinthefollowingway:Settheactuatorinthefailposition.Ifnecessary,adjusttheexactfailpositionusingthemediumpressure.Screwthestop-screw(203)pistonsideuntilitreachestheScrew-inthestopscrewcap3.2.1Calibratedorifice(seePicturea)makesurethattheactuatorisinclosepositionandthehydrauliccircuitiswithoutanykindofpressure;b)takeouttheflange(960)andtakeoutalltheitems(957-958-959)byaddingthenumberofelementsofitem(957-958)youincreasetheESDstroketimeandviceversa3.3ActuatorWARNING:beforeremovingtheactuatorfromthevalve,qualifiedpersonnelmustassureitselfthatthevalveisdepressurizedandeveryenergyconnectionsareAfterhavinguncoupledtheactuatorfromthevalveandhavingunconnectedanddismountedalltheeventualequipment,proceedasfollows(positionsseeenclosedsectiondwg):PictureWARNING:theactuatorcontainsapre-loadedspring,thereforeunloadthespringverycarefully,unscrewinguniformlythesafetybolts.3.3.1)SpringcartridgeRemovetheoilsump(949Puttheactuatoronthefloorwiththecouplingflangeinhorizontalposition(Picture1)FordisassemblingthespringcartridgefromthebodyproceedasFixthespringcartridgewithaliftinglugandputtheropeintheRemove2caps(931)atInsert2bearings(1100)andscrewagainthecaps.Unscrewthe8capsonebyone.Afterthisoperationweareabletotakeoutthespringcartridgebymeansoftwocaps(931)withbearings(1100),unscrewingthemstepbysteptillitscompletelyremovefromthehousing.PictureinsidethecylinderbreathingFortakingoutthespringfromthecartridgeproceedasfollow:Leantheflange(502)onthefloor(Picture2)Unscrewuniformlythesafetybolts(507),takeouttheouterflange(502),thecartridge(504),thesprings(506)followingtheMUBEAinstructionmanualattached,theintermediatedisc(918),thecupspringdisc(503)thering(510)andthehead(501). L2(AT87L1(AT87LDYX"CAUTION:Pos(510)EXACTLENGTHMUSTBECUTONNoteforthecalculationFortakingoutthespringfromthecartridgeproceedasfollow:Leantheflange(502)onthefloor(Picture2)Unscrewuniformlythesafetybolts(507),takeouttheouterflange(502),thecartridge(504),thesprings(506)followingtheMUBEAinstructionmanualattached,theintermediatedisc(918),thecupspringdisc(503)thering(510)andthehead(501). L2(AT87L1(AT87LDYX"CAUTION:Pos(510)EXACTLENGTHMUSTBECUTONNoteforthecalculationofthelengthofitemThespringcartridgeiscomposedbytwosinglespringstacksassembledinseriesinsidethespringcartridgeitself.Thespringmanufacturersuppliesandguaranteesthespringdeflectionsofthesinglestacksandconfirmsthatthebehaviourofthetwostacksassembledinseriesisdifferentfromthebehaviourofthesinglestacks(thetwostacksinserieswillhavehigherdeflectioncomparedtothedeflectionofthesinglestacks).Thespringmanufactureralsoconfirmsthattherearenoanalyticalformulastocalculatetheexactdeflectionofthecompletesystemofthetwospringstacksassembledinseries.Thereforetheforce-deflectiondiagramprovidedbythespringmanufacturerforthesinglestacksisnotapplicableforthecompletesystemofthetwostacksassembledinseries.L1/L2=SPRINGSTACKSDEFLECTIONAT87kNLOAD(FROMMUBEADIAGRAM)LN=EXTERNALFLANGETHICKNESS=34mmLD=SPRINGDISCTHICKNESS55mmLS=INTERMEDIATESPRINGDISCTHICKNESS=25mmLC=SPRINGCARTDRIGELENGTH=1347mmY=X0°SHAFTATVALVECLOSEDTOBESURVEYEDONFortheaforementionedreason,theexactlengthofPos.510canonlybedeterminedwithameasurement.Moreindetail,itcanonlybesurveyedbyputtingthecompletelyassembledspringcartridgeonacalibratedloadcellandthenmeasuringthedeflectionofthecompleteassemblyofthetwostacksinseriesatthecorrespondentloadof87kNduringthespringextensiontravel.Y=[LC-(LN+LS+LD)-(L1+L2)-Alwaysfortheaforementionedreason,byusingthefollowingformula,wecanonlyhaveanunder-estimationofthereallengthofPos.510:3.3.2)CylinderRemovetheoilsump(949thehydraulicblock(951)andtherelevantcarter(950)Puttheactuatoronthefloorwiththecouplingflangeinhorizontalposition(Picture1)WARNING:beforeremovingthehydrauliccylinderthespringcartridgeMUSTbetakenoutofthecentralbody.unscrewthestayboltscaps(213),takeouttheexternalhydraulichead(202)(Picture2)WARNING:makesurethattheheadisholdbyaropeoramagnetwhoseminimumcapacityis300Kg.takeouttheexternaltheoilcartridge(212),staybolts(209)andthecylinder(204);unscrewtheoildamper(210)takeoutthepiston(205)andtheinternalhead(201).Picture3.3.3)HousingFordisassemblingthecentralhousing(101)proceedasfollow:Loosenthe2screws(989)ofthetransmittercouplinghub(988),unscrewthescrews(992),takeouttheltransmitter3.3.3)HousingFordisassemblingthecentralhousing(101)proceedasfollow:Loosenthe2screws(989)ofthetransmittercouplinghub(988),unscrewthescrews(992),takeouttheltransmitterbracket(983),takeoutthecovers(109and105);WARNING:makesurethatthecoverisholdbyaropeoramagnetwhoseminimumcapacityis300Kg.takeoutthepinioncover(130),andpinion(102PictureUnscrewtwodowels(1002),unscrewtworingnuts(909)takeoutthetwoshafts(107and108).WARNING:beforedisassemblingtherackmakesurethatitisholdbyaropeoramagnetwhoseminimumcapacityis300Kg.Withdrawthepin(962),unscrewthescrews(967).Finallytakeouttherackgroup.Takeouttheplate(981),pins(902)unscrewthescrew(939)andtakeouttherackslide(106)Picture3.4Equipmentandactuatorsparepart3.4EquipmentandactuatorsparepartSERVOVALVEsuggeststhefollowingsparepartsforcommissioningand/orfortwoworkingyearsarethepositionmarkedwitha“*”inthemateriallistML01-02-03-043.5ActuatorInordertocarryouttheactuatorassembling,performtheoperationsdescribedatpoint3.3followingtheoppositeoperationssequence,afterhavingreplacedalltheseals.SERVOVALVEsuggesttoreplacenewgasketseverytimetheactuatorhasbeendisassembledandassembled.3.6Anadequatelubricationisessentialtomaintaintheactuatorinoptimalconditionthroughoutallitsintendedlife.Theactuatorissuppliedwithalifetimelubricationanaddedlubricationisnotrequired;iftheactuatorisdisassembledbeforeassembledthemechanicalpartsinmotionneedanewSuggestedALVANIA3EPGREASEMU3EPBEACOM3EP3.7FireresistantfluidisusedinthisactuatorwithsimilarfeaturesoftheFRFspecifiedintheSiemensspecificationTLV9012023.8Actuatorblocked3.8ActuatorblockedActuatorhasgreatleakagefromtheexhaustpipeActuatorESDtimeactuatororshaftseizurenomediumhydraulicequipmentnoelectricenergytotheelectricSealstheT-lineVerifycouplingandactuatorverifythesupplyverifyhydraulicthesealsDraintheT-4ReferenceOveralldimensionSectionHydraulicWiringDrawing6227-6227-6227-6227-6227-6227-6227-6227-6227-6227-6227-6227-6227-6227-1131-6227-1131-6227-6227-1132-6227-1132-6227-6227-1133-6227-1133-6227-6227-1134-6227-1134-5GeneralFunctionalThesingleactingspringreturnhydraulicactuatortypeRHM15500/240/Siscomposedofacentralhousing,ahydrauliccylinderandaspringcartridge.Thehousingcontainstherackandpinionkinematismwhichtransformsthelinearmovementofthehydraulicpistonintoaquarterturnrotation.Thehydrauliccylinderisresponsibleforthethrustnecessarytothevalveopeninganditisequippedwithadamperincloseposition,anadjustableendtravelstopfortheclosepositionandwithanexternalheadwith2slotsforreceivingthe2quickexhaustvalves.Thespringcartridgeisresponsibleforthethrustnecessarytoguaranteethevalveclosinganditisequippedwith2stacksinseriesof30cupspringseach.Thehydraulicblock,fullyintegratedintotheactuatorexternalhead,withoutanykindofpipesandfittings,allowsthefollowingfunctions5.15.1On-offfunctionfortheInterceptStopSlowopeningandclosingofthevalvebymeansofa3/2waysspringreturn,zeroleakagetype,solenoidvalve,mounteddirectlyonthehydraulicblockEmergencyshutdownstroke(ESDstroke)bymeansoftwoquickexhaustvalvesinredundantconfiguration,integratedintheactuatorexternalheads,eachofthempilotedbya3/2waysspringreturn,zeroleakagetype,solenoidvalve,eachofthemsizedtoassuretherequiredESDstroketime.TherequiredESDstroketimeisassuredalsointhecaseofbothquickdischargevalveaction,duetoadeviceputinthequickexhaustvalvescommondischargewhichcanadjusttheflowratetotheeffectivevalue.Thisdevicecanbeadjustedbothonactuatortest,valve+actuatortest,onsitetest,anditistamper-proof.5.2ModulatingfunctionfortheInterceptControlKeepingthevalvediscpositiontothedesiredvalue,forregulatingthesteamflowrateinsidethevalve,bymeansofahydraulicservovalve.Emergencyshutdownstroke(ESDstroke)bymeansoftwoquickexhaustvalvesinredundantconfiguration,integratedintheactuatorexternalheads,eachofthempilotedbya3/2waysspringreturn,zeroleakagetype,solenoidvalve,eachofthemsizedtoassuretherequiredESDstroketime.TherequiredESDstroketimeisassuredalsointhecaseofbothquickdischargevalveaction,duetoadeviceputinthequickexhaustvalvescommondischargewhichcanadjusttheflowratetotheeffectivevalue.Thisdevicecanbeadjustedbothonactuatortest,valve+actuatortest,onsitetest,anditistamper-proof.72THEACTUATORONLYCONTROLVALVEECS2GRE1151VVCONTROLVALVEECS-ConnectionP=SAEsplitflangevalves,FormH11/4",acc.todrawing2583103incl.nozzle(SAE)11/4"withweldingendDN40-48,3x5,0DIN2559Fig.21inacc.todrawingM-DK00728-ConnectionT=Returnmotionflangeinacc.todrawingM-DK00757DINType3,withweldingendDN40-48.3x2,6DIN2559Fig.21inacc.todrawing28528493210EMISSIONE/B.DESCRIZIONEDELLAREVISIONEREVISION'SDESCRIPTIONOVERALL72THEACTUATORONLYCONTROLVALVEECS2GRE1151VVCONTROLVALVEECS-ConnectionP=SAEsplitflangevalves,FormH11/4",acc.todrawing2583103incl.nozzle(SAE)11/4"withweldingendDN40-48,3x5,0DIN2559Fig.21inacc.todrawingM-DK00728-ConnectionT=Returnmotionflangeinacc.todrawingM-DK00757DINType3,withweldingendDN40-48.3x2,6DIN2559Fig.21inacc.todrawing28528493210EMISSIONE/B.DESCRIZIONEDELLAREVISIONEREVISION'SDESCRIPTIONOVERALLTitoloACTUATORTYPE:RHMCod.Dwg 1201Questodisegnoe'vincolatoanormadi Allrightsofthisdrawingare630(P-PCONTROLVALVECONTROLVALVE3210EMISSIONE/B.-ConnectionP=SAEsplitflangevalves,FormH11/4",acc.todrawing2583103incl.nozzle(SAE)11/4"withweldingendDN40-48,3x5,0DIN2559Fig.21inacc.todrawingM-DK00728-ConnectionT=Returnmotionflangeinacc.todrawingM-DK00757DINType3,withweldingendDN40-48.3x2,6DIN2559Fig.21inacc.todrawing2852849DESCRIZIONEDELLAREVISIONEREVISION'SDESCRIPTIONOVERALLACTUATORTYPE:RHMCod.Dis.N°Dwg10.237-Questodisegnoe'vincolatoanormadiAllrightsofthisdrawingare32(P- 630(P-PCONTROLVALVECONTROLVALVE3210EMISSIONE/B.-ConnectionP=SAEsplitflangevalves,FormH11/4",acc.todrawing2583103incl.nozzle(SAE)11/4"withweldingendDN40-48,3x5,0DIN2559Fig.21inacc.todrawingM-DK00728-ConnectionT=Returnmotionflangeinacc.todrawingM-DK00757DINType3,withweldingendDN40-48.3x2,6DIN2559Fig.21inacc.todrawing2852849DESCRIZIONEDELLAREVISIONEREVISION'SDESCRIPTIONOVERALLACTUATORTYPE:RHMCod.Dis.