GESTRA-Flowserve

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  • t

    GESTRA Steam Systems

    HV 215Installation Instructions 818480-01HydraulicLoadingandUnloadingSystemHV25

  • 2Contents

    Usagefortheintendedpurpose.................................................................................................................................. 8Safetynotes............................................................................................................................................................... 8Danger....................................................................................................................................................................... 8Legalregulations........................................................................................................................................................ 9

    Important NotesPage

    Scopeofsupply........................................................................................................................................................ 0Description............................................................................................................................................................... 0Function................................................................................................................................................................... Technicaldata.................................................................................................................................................... ,2Fluidlist.............................................................................................................................................................. 3,4

    Explanatory Notes

    Hydraulicloading&unloadingsystemHV25.......................................................................................................... 5Mountingflange.................................................................................................................................................. 5,6BottomvalveHWV205/-DN80......................................................................................................................7-9BottomvalveHWV25/-DN80......................................................................................................................20-23Cablerouting............................................................................................................................................................ 24OperatingdeviceBV0.......................................................................................................................................... 25Connectinglines................................................................................................................................................. 26,28AttachingoperatingplatesHV25............................................................................................................................ 29Attachinglistindicatingfluids................................................................................................................................... 29Fillingandventingofhydraulicsystem...................................................................................................................... 30Fillingandventingofhydraulicactuatingsystem...................................................................................................... 30Fillingandventingofhydraulicindicatingsystem...................................................................................................... 3Performancetest...................................................................................................................................................... 3

    Installation

    Service..................................................................................................................................................................... 32Emergencyoperation................................................................................................................................................ 33

    Operation

    BottomvalvesHWV205/-DN80/HWV25/-DN80.......................................................................................... 34OperatingdeviceBV0........................................................................................................................................... 35Connectinglines....................................................................................................................................................... 35

    Maintenance

  • 3Hydraulicloading&unloadingsystemHV25.......................................................................................................... 36Replacingvalveplugseal...................................................................................................................................36-38Reworkingseatflange.............................................................................................................................................. 39Replacinggasketsofactuactingcylinder............................................................................................................ 40,4Replacingcontrolunitofbottomvalve...................................................................................................................... 42

    Servicing

    Contents continued Page

  • 4Components

    F

    Y

    S

    K

    L GRP

    X

    PRG

    F

    D

    HWV205/

    EWV

    HWV25/

    BV0

    HZ

    EC

    A

    Tensionropewithwirecableclamp

    B

    K

    KJ

    IB

    NO

    Q

    M

    S

    F

    U

    T

    gas phase liquid phaseopen

    closed

    YL

  • 5Key

    A Shut-offvalvesB ActuatingcylinderC RailhookD RingE OperatingdevicesF PumpleverofhydraulichandpumpG LineleadingtotheindicatingcylinderofthegasphaseH IndicatingcylinderI FillingconnectionJ SealingplugK ScrewforsealingoffopeningforemergencyunloadingL LineleadingtotheindicatingcylinderoftheliquidphaseM BoltforoperatingdeviceN PlateshowingvalvepositionofindicatingpistonsO IndicatingpistonsP PressurelineQ Screw-inplugforventingfacilityR ReturnlineS Screwforoilfillingconnection(withdipstick)T HydraulichandpumpU Non-returnvalveV Transversepipe-runW FrameX ControlunitY GuidebushingZ Fluidlist

  • 6Basic Components of Bottom Valves

    Mountingflange

    Valvehead

    Body

    Actuatingcylinder

    1234567

    8ji h g dc

    e

    f

    b

    a=)(/

    &%$

    "

    !0

    9

    31

  • 7Key

    1 Hexagonheadcapscrew2 Lockingwasher3 Springplate4 Staybolt5 Sleeve6 Gasket7 Seatflange8 Gasket9 Pushrod0 Bellows! Gasket" Piston Pistonseal$ Hexagonheadcapscrew% Sealingplug& Jointring/ Retainingring( O-ring) O-ring= Bushinga Sealringb Hexagonheadcapscrewc Socket-headcapscrewd Lockingwashere Valveplugf Compressionspringg Washerh Retainingringi Socket-headcapscrewj Washer Valveplugseal31

  • 8Important Notes

    ThehydraulicallyoperatedloadingandunloadingsystemHV25isintendedsolelyforfillinganddrainingstationaryandmobiletankscontainingpressureliquefiedgases.

    Itsuseispermissibleonlywithintheallowablepressureandtemperatureratingsandonlyifthechemicalandcorrosiveinfluencesontheequipmentaretakenintoaccount.Beforeinstallingtheequipmentmakesurethattheloading&unloadingsystemissuitablefortheintendedapplicationandthefluidtobeused(corrosionresistanceandchemicalsuitability).

    Modificationstothedesignmayonlybemadeifthemanufacturerswrittenpermissionisobtained.

    Anytypeofusedifferingfromtheusagedescribedabovemustbeconsideredasimproper.Theresultingriskwillhavetobebornebytheuseralone.Themanufacturerherebyexpresslyrejectsanyclaimsforanyresultingdamage.

    Theuseofexternalpumpsforopeningorclosingthebottomvalvesisnotpermitted.

    Usage for the intended purpose

    Theloadingandunloadingsystemmustnotbeinstalledorcommissionedbyanyoneotherthanqualifiedstaff.

    Maintenanceandserviceworkmustonlybeperformedbyadequatelytrainedpersonswhohavearecognisedlevelofcompetence.

    Forinstallation,removal,commissioning,operationandmaintenance,everypersonwhoworkswiththeloadingandunloadingsystemmusthavereadandunderstoodthecompleteinstallationmanual.Furthermore,responsibilitiesmusthavebeendefinedclearlyandunambiguouslyandmustbeadheredto.

    Theoperatingcompanymustensurethat,whenevertheloadingandunloadingsystemisbeingoperated,itisinperfectcondition.

    Safety notes

    Workingmethodsthatjeopardisesafetymustnotbeused!

    Attention

    Iftheloadingandunloadingsystemisusedinaninexpertorimpropermannerbyunqualifiedstaff,itcancausedangertolifeandlimbfortheuserorforthirdparties,possiblyresultingindeath.

    Duringoperation,thebottomvalvesoftheloadedandunloadedtanksareunderpressure.Duringtheloadingandunloadingprocedureallothercomponentsarealsounderpressure.Inthiscondition,screwsaswellasnutsandboltsoftheloadingandunloadingsystemmustnotbeslackened.Liquidorvaporizingfluidsmightescapeandcouldcauseseverecasesofpoisoningandenvironmentalpollution.

    Duringtheloadingandunloadingproceduredonotleavetheinstallationunattended.

    Theshut-offvalvesmightbecoldduringtheloadingandunloadingprocedure.Makesurethattheoperatorwearsprotectivegloveswhenoperatingthehandwheels.

    Anyinstallationorremovalworkmayonlybeperformedwhenthetankisatzeropressureandcompletelyfreeofgas.Whencarryingoutinstallationandmaintenancework,makesurethatthetankcannotbeoperatedaccidentally.

    Danger

  • 9Important Notes continued

    TheconfigurationoftheloadingandunloadingsystemHV25mountedtothetankcarcarryingpressurizedgasmeetstherequirementsofDIN26026orofEN256-3.ThebottomvalvesHWV205/-DN80andHWV25/-DN80fulfillthelegalrequirementsoftheRID/GGVSEsec-tion6,constitutingthefirstinnershut-offasdefinedintheseregulations.

    Legal regulations

    Anyuseofnakedflamesisexpresslyforbidden!

    Beforeperfomringanyserviceworkinsidethetankmakesurethatthetankissufficientlyventilatedandallgaseshavebeencompletelyvented.TherulesconcerningMAC(=maximumallowableconcentration)valuesatplaceofworkmustbestrictlyapplied!

    Warning

  • 0

    Explanatory Notes

    BottomvalveHWV205/-DN80BottomvalveHWV25/-DN80withtensionrope2HydraulicoperatingdevicesBV02OperatingplatesHV252Platesindicatingfluids(onlyforbottomvalveswithvalveplugsealmadeofCR)Installationmanualforloading&unloadingsystemHV25Setofacceptancecertificates

    Thefollowingitemsarenotscopeofthesupplybutcanbeorderedseparately:

    Setofconnectinglinesasaccessorykit4Shut-offvalvesDN802Valvemountingflanges

    Scope of supply

    ThehydraulicallyoperatedloadingandunloadingsystemHV25isdesignedforfillinganddrainingstationaryandmobiletankscontainingpressureliquefiedgases.

    Itismainlyusedintankcarscarryingpressurizedgases.Thesetankcars(TC)requireahighdegreeofreliability,easeofoperationandmaintenanceandalongservicelifeoftheassociatedvalves.

    Theloadingandunloadingsystemconsistsofthetworapid-actionbottomvalves,thetwooperatingdevices,theshut-offvalves,therailhookandthetensionrope.Theconnectinglinesrequiredforoperatingtheloadingandunloadingsystemareeithermadeofhydraulictubesandhydraulichosesorentirelyofhydraulichoses.

    ThebottomvalvestypeHWV205/-DN80andtypeHWV25/-DN80(withcontrolunit)aredesignedforinstallationinthevalve-mountingflangeslocatedatthebottomofthevessel.Bothbottomvalvesarealwaysopenedorclosedtogether.Amanifoldconnectsthebottomvalvesdirectlywiththeshut-offvalves.Bothvalvescaneitherbeusedfortheliquidphaseorthegasphase.

    Theoperatingdevicesconsistofahydraulichandpumpandoneindicatingpistonfortheliquidphaseandoneforthegasphase.Theyareattachedtotheleftandrighthandsideofthetankcar,whichmeansthatthebottomvalvescanbeopenedfromeithersideofthetankcarbyactuatingtherespectiveoperatingdevice.

    Duringtheloading/unloadingprocesstherailhookconnectedtothetensionropekeepsthebottomvalvesintheopenposition.Intheeventofanemergency,e.g.emergencyshut-offorinadvertentmovingofthetankcar,therailhookisdisengagedfromtherailandthebottomvalvescloseinstantaneously(rapid-actionclosing).

    Description

  • Explanatory Notes continued

    TheloadingandunloadingsystemHV25isdesignedforfillinganddrainingtanksthatcontainpressure-liquefiedgases.

    Onebottomvalveopensfortheliquidphaseandtheotheropensforthegasphase.Bothopeningprocessesalwaystakeplacesimultaneously.

    Theoperatingdeviceofthetensionrope(e.g.railhookVZ0)engagedtooneoftherailsprovidestherequiredtensionoftherope.Thistensionkeepstheballvalveofthecontrolunitofthehydraulicsystemclosed.

    ThehydraulichandpumpoftheoperatingdeviceBV0canthenbeusedtoapplypressuretothehydraulicsystem.Thepressureactsontheactuatingcylindersofthebottomvalves,forcingthepistontogoupandtherebycausingthebottomvalvestoopen.

    ThecurrentliftpositionofbothbottomvalvesisindicatedseparatelybytheindicatingcylindersoftheoperatingdeviceBV0.

    Whentherailhookisdisengaged,i.e.whentheloadonthetensionropeisreduced,thehydraulicsystemopens,leadingtotherapid-actionclosingofthebottomvalveswithinlessthansecond.

    Thenon-returnvalveintegratedintheoperatingdeviceBV0preventstheprematureclosingofthebottomvalvescausedbyleakingfluidsinthehydraulichandpumpandthepressure-reducingvalve.

    Function

    Technical data

    Forpressure/temperatureratingsofthebottomvalvesseenameplate.

    Attention

    Nameplatedrawing Nameplatespecifications

    Typeofbottomvalve

    Typeapproval

    GESTRAmanufacturingno.

    Testpressure

    Typeofvalveplugsealusedinvalvehead

    T. AGG.

    Manu.-no.:

    Ptest : 37.5barTmin. : - 50C valve plug seal PTFE

    Tmin. : - 40C valve plug seal CR

    GESTRA HWV

    MADE BY GESTRA

  • 2

    Pressure/Temperature Ratings of Bottom Valves

    NominalpressurePN[bar] 25

    Testpressure[bar] 37.5

    TemperaturerangeforvalveplugsealCR[C] 40to+50

    TemperaturerangeforvalveplugsealPTFE[C] 50to+50

    ConnectionofbottomvalvebodySocket-weldendsformanifold

    withO.D.88.9mm

    Springpressureonvalveplug[N] 32230

    Liftofvalveplug[mm] >2.2

    DragcoefficientLoading Unloading

    3.3 2.8

    Explanatory Notes continued

    Technical data continued

    Item no. Component Material

    Body .0566

    b HexagonheadcapscrewM6 A2-70orA4-70$ HexagonheadcapscrewM2 A2-707 Seatflange .457e Valveplug .457f Compressionspring .4303 Springplate .4304 Staybolt .4300 Bellows,complete .454and.45768! Gasket PTFE

    Valveplugseal PTFEorCR

    c Socket-headcapscrew A2-70() O-ring NBR70Shore5 Sleeve .433

    31

    Weight [kg] HWV 205/1 HWV 215/1 BV 110

    Body 20 20

    Valvehead 9 9

    Hydraulicactuator 7 7

    Controlunit 3

    Total 36 39 2x6

  • 3

    Explanatory Notes continued

    Fluid list

    Media ClassClassification

    codeUN No.

    Valve plug seal PTFE down to

    -50 C

    Valve plug seal CR down

    to

    Propane 2 2F 978 X X

    Butane 2 2F 0 X X

    Propene 2 2F 077 X X

    Butene- 2 2F 02 X X

    Butadiene-.3 2 2F 00 X X

    Ammonia 2 2TC 005 X X

    Ethylchloride 2 2F 037 X

    Methylchloride 2 2F 063 X

    Vinylchloride 2 2F 086 X

    GasR2 2 2A 028 X

    GasR2 2 2A 029 X

    GasR22 2 2A 08 X

    GasR4 2 2A 958 X

    GasR5 2 2A 020 X

    GasR2B 2 2A 974 X

    Methylbromide 2 2T 062 X

    Methylamine(freefromwater) 2 2F 06 X

    Dimethylamine(freefromwater) 2 2F 032 X

    Trimethylamine(freefromwater) 2 2F 083 X

    Ethylamine(freefromwater) 2 2F 036 X

    HexafluoropropyleneR26 2 2A 858 X

    Dimethylether 2 2F 033 X

    ChlorotrifluoroethaneR33a 2 2A 983 X

    Ethyleneoxidewithmax.0%carbondioxide

    2 2TF 040 X

    Ethyleneoxidewithnitrogenupto0barat50C

    2 2TF 040 X

    MixtureF 2 2A 078 X

    MixtureF2 2 2A 078 X

    MixtureP 2 2F 060 X

  • 4

    Explanatory Notes continued

    Fluid list continued

    Media ClassClassification

    codeUN No.

    Valve plug seal PTFE down to

    -50 C

    Valve plug seal CR down

    to

    MixtureA(tradenamebutane) 2 2F 965 X X

    MixtureAO(tradenamebutane) 2 2F 965 X X

    MixtureA 2 2F 965 X X

    MixtureB 2 2F 965 X X

    MixtureC(tradenamepropane) 2 2F 965 X X

    Mixturesofhydrocarbonswithbutadiene-.3

    2 2F 00 X X

    Isobutane 2 2F 969 X

    Isobutene 2 2F 055 X

    Cis-2-butene 2 2F 02 X X

    Trans-2-butene 2 2F 02 X X

    Cyclopropane 2 2F 027 X

    GasmixtureR500 2 2A 2602 X

    GasmixtureR502 2 2A 973 X

    Carbondioxide 2 3A 287 X

    Ethylene 2 3F 038 X

  • 5

    Installation

    Hydraulic loading & unloading system HV 215

    Wehighlyrecommendthatonlyqualifiedstaffshouldcarryoutinstallationworkinaccordancewiththeseinstallationinstructions.Themanufacturerexpresslyrejectsanyclaimsfordamagecausedbyimproperinstallation.

    Allpartstobefittedmustmeetthetechnicalrequirementsspecifiedbythemanufacturer.Allgenuinepartsareguaranteedtocomplywiththeserequirements.

    Forinstallationworkchooseliftingdevicesthatarespecifiedfortherespectiveweights.Useonlysuitableandproperliftingdevices.

    Whenweldingobservelegalregulationsandin-houseguidelinesconcerningweldedconnections.Beforeweldingcleanallspotstobewelded.

    Makesurethatthegasketsoftheflangedconnectionsareexactlyplacedbetweentheflanges.Cleanallseatingsurfacesbeforeinstallingtheequipment.

    Beforeinstallingthevalvesremovethetransportpackingandalltransitprotectionplugsforendconnections.

    Installtheequipmentinthefollowingorder:

    n Mountingflangesn BottomvalveHWV205/-DN80n BottomvalveHWV25/-DN80n Cableroutingn OperatingdevicesBV0n Connectinglinesn AttachingoperatingplatesHV25n Attachingplatesindicatingfluids

    Mounting flange

    ThemountingflangesforbottomvalvestypeHWV205/-DN80andHWV25/-DN80havethesameformandcanbeinstalledinthesameway.

    Theyarenotscopeofsupplyoftheloading&unloadingsystemHV25butcanbeorderedfromGestra.

    Valvemountingflangesmadefromthefollowingmaterialsareavailable:

    n P355NL(.0566,old:TStE355)n S420NL(.892,old:TStE420)n P460NL(.895,old:TStE460)Furthermaterialsareavailableonrequest.

    Gestrasuppliesvalvemountingflangeswithastandarddiameterof430+6mm.Toavoidawallthicknessmisalignmentbetweenthevalvemountingflangeandthetankwall,adjusttheoutsidediameterDtothethicknessSofthetankcar(seedrawingonpage6).Makesurethattheweldjointproducedisincompliancewiththespecificationsofthetankmanufacturer.

    Thevalvemountingflangesareweldedintothebottomofthevesselaccordingtothespecificationsofthelocalweldingauthority.

    TocalculatethedimensionsofthepressurevesseltoAD-B/B9,refertothedrawing(seepage6)inwhichthedimensionsofthereinforcementareindicated.

  • 6

    Mounting flange continued

    Attention

    Installation continued

    Aftertheannealingprocesschecktheseatingsurfacesand,ifnecessary,clean,reworkorcutthem.

    ThereferencedimensionSvariesasafunctionofthedropforgingtoleranceandmustbecompensatedforbythediameterDofthevalvemountingflange.

    Longitudinalaxisofboiler

    Valvejointasspecifiedbylocalauthority

    Referencedimensionvariesasafunctionofthedropforgingtolerance

    S+4.3

    -.6

    0+

    4.3

    -.6

    3532

    430 +6

    D 365 55

  • 7

    Bottom valve HWV 205/1 - DN 80

    Installation continued

    Thesuppliedbottomvalveconsistsoftwocomponentparts-thevalveheadandthebodywiththeactuatingcylinder.Thevalvecomeswithasetofassemblyparts.

    Theassemblypartsofthevalveheadcomprise:

    n Gasket25n 2Lockingwashersn 2SocketheadcapscrewsM6x30Firstattachthevalveheadfromtheoutsidetothevalvemountingflange.Seedrawingonpage9

    . Putthegasket6ontothevalvehead.2. Placethevalveheadontothemountingflangeandinsertthesuppliedsocket-headcapscrewscandlocking washersdinthevalvemountingflangeandtightenthemwithatorqueof20Nm.Applyacommerically availablelubricanttothescrewsandtightentheminseveralstepsindiagonallyoppositepairs.

    3. Checkspacingbetweenbottomofvalveplugeandseatflange7(referencedimensionseepage9).Forthis purposeyoucanholdatrysquaretothebottomofthevalveheadandreadoffthedistancetothebottomofthe valveplug.Adistanceof7mmisrequired.Ifthereadingexceedsthistolerancecheckthepositionofthe sealofthevalvepluge.Ifnecessarypushthevalveplugeslightlyupwards. Dirtysealsortheincorrectpositionofthevalveplugsealmayhavecausedthisproblem.Shouldevenafter thisexaminationtheactualreadingsstillexceedthespecifiedtolerances,pleasecontactourTechnicalServicein yourcountry,statingtheGestramanufacturingnumberindicatedonthenameplate.

    31

    31

    Attention

    Checkand,ifnecessary,cleansealingsurfaces.

    Thespecifiedtorquesmustbestrictlyobserved.

  • 8

    Bottom valve HWV 205/1 - DN 80 continued

    Afterthevalveheadinstallthebodywiththeactuatingcylinder.

    Theassemblypartsofthevalvebodycomprise:

    n Gasket25n 6HexagonheadcapscrewsM6x40n Gasket(sparepartforreplacement)Thebodyissuppliedtogetherwiththeactuatingcylinderasacompletecomponentpart.Seedrawingsonpage4andpage9

    . Firstweldthemanifoldtothebody,takingthespecificationsofthelocalweldingauthorityintoaccount.Thebody endissizedforapipehavinganoutsidediameterof88.9mm.Toweldthemanifolditmightbenecessaryto removetheactuatingcylinderBfromthebody.Forthispurposeunscrewthehexagonheadcapscrews$and carefullypushtheactuatingcylinderBdownwards.Removethegasket!.Donotre-usethisgasket!Insertthe suppliedsparegasket!.2. Checkthetorque(50Nm)requiredfortighteningthehexagonheadcapscrews$.IftheactuatingcylinderB hasbeenremoved,tightenthehexagonheadcapscrews$withatorqueof50Nm.Applyacommerically availablelubricanttothescrewsandtightentheminseveralstepsindiagonallyoppositepairs.

    3. Thenchecktheliftofthepushrod9inthebodywithactuatingcylinderB.Forthispurposemeasurethe referencedimension2and3(seepage9)fromtheupperedgeofthepushrod9tothesealingsurfaceofthe unloadedbellows0andtothelowerstopofthebellows0.Ifthedistanceexceedstheadmissibletolerance, checkthepushrod9forsmoothoperation.Ifthepushrodisjammed,firsteliminatethecauseandthengently knockwithyourhandagainstthepushrod9untilitcanmovefreely.Ifyoucannotfindafaultpleasecontactour TechnicalServicesinyourcountry,statingtheGESTRAmanufacturingnumber.

    4. Insertthesuppliedgasket8inthebottomofthevalveheadandusethehexagonheadcapscrewsbtoscrew thebodytothemountingflange,applyingatorqueof20Nm.Applyacommericallyavailablelubricanttothe screwsandtightentheminseveralstepsindiagonallyoppositepairs.

    Installation continued

    Attention

    Makesurethatweldingand,ifnecessary,annealingworkdoesnotdamagethesealsandgaskets!Checkand,ifnecessary,cleansealingsurfaces.

    Alwaysreplacegasketwhenremovingtheactuatingcylinder.

    Thespecifiedtorquesmustbestrictlyobserved.

    Note:Donotusethepushrod9ashandle!

  • 9

    Bottom valve HWV 205/1 - DN 80 continued

    Installation continued

    ,

    6

    20/2xM6 46

    Manifold 88.9

    M278

    6.5

    292

    2

    turnedthrough90 turnedthrough90

    Torque20Nm

    Torque20Nmturnedthrough5

    Torque50Nmturnedthrough45

    Referencedimensiononvalvehead

    Referencedimension2onbodywithactuatingcylinder(bellowsunloaded)

    Referencedimension3onbodywithactuatingcylinder(bellowsatlowerstop)

    7 6

    +9

    !

    31

    0

    8

    $

    7

    9 d

    c

    6e

    b

    32

  • 20

    Bottom valve HWV 215/1 - DN 80

    Installation continued

    Thesuppliedbottomvalveconsistsofthreecomponentparts-thevalvehead,thebodywiththeactuatingcylinderandthecontrolunit.Thevalvecomeswithasetofassemblyparts.

    Theassemblypartsofthevalveheadcomprise:

    n Gasket25n 2Lockingwashersn 2SocketheadcapscrewsM6x30Firstattachthevalveheadfromtheoutsidetothevalvemountingflange.Seedrawingonpage23

    . Putthegasket6ontothevalvehead.2. Placethevalveheadontothemountingflangeandinsertthesuppliedsocket-headcapscrewscandlocking washersdinthevalvemountingflangeandtightenthemwithatorqueof20Nm.Applyacommerically availablelubricanttothescrewsandtightentheminseveralstepsindiagonallyoppositepairs.

    3. Checkthespacingbetweenthebottomofthevalveplugeandtheseatflange7(cf.referencedimension onpage23).Forthispurposeyoucanholdatrysquaretothebottomofthevalveheadandreadoffthe distancetothebottomofthevalvepluge.Aspacingof7mmisrequired.Ifthereadingexceedsthis tolerance,checkthepositionofthesealofthevalvepluge.Ifnecessarypushthevalveplugeslightly upwards.Dirtysealsortheincorrectpositionofthevalveplugsealmayhavecausedthisproblem.

    Shouldevenafterthisexaminationtheactualreadingsstillexceedthespecifiedtolerances,pleasecontactour TechnicalServicesinyourcountry,statingtheGestramanufacturingnumberindicatedonthenameplate.

    31

    31

    Attention

    Checkand,ifnecessary,cleansealingsurfaces.

    Thespecifiedtorquesmustbestrictlyobserved.

  • 2

    Bottom valve HWV 215/1 - DN 80 continued

    Installation continued

    Attention

    Makesurethatweldingand,ifnecessary,annealingworkdoesnotdamagethesealsandgaskets!Checkand,ifnecessary,cleansealingsurfaces.

    Alwaysreplacegasketwhenremovingtheactuatingcylinder.

    Thespecifiedtorquesmustbestrictlyobserved.

    Afterthevalveheadinstallthebodywiththeactuatingcylinder.

    Theassemblypartsofthevalvebodycomprise:

    n Gasket25n 6HexagonheadcapscrewsM6x40n Gasket(sparepartforreplacement)Thebodyissuppliedtogetherwiththeactuatingcylinderasacompletecomponentpart.Seedrawingsonpage4andpage23

    . Firstweldthemanifoldtothebody,takingthespecificationsofthelocalweldingauthorityintoaccount.Thebody endissizedforapipehavinganoutsidediameterof88.9mm.Toweldthemanifolditmightbenecessaryto removetheactuatingcylinderBfromthebody.Forthispurposeunscrewthehexagonheadcapscrews$and carefullypushtheactuatingcylinderBdownwards.Removethegasket!.Donotre-usethisgasket!Insertthe suppliedsparegasket!.2. Checkthetorque(50Nm)requiredfortighteningthehexagonheadcapscrews$.IftheactuatingcylinderB hasbeenremoved,tightenthehexagonheadcapscrews$withatorqueof50Nm.Applyacommerically availablelubricanttothescrewsandtightentheminseveralstepsindiagonallyoppositepairs.

    3. Thenchecktheliftofthepushrod9inthebodywithactuatingcylinderB.Forthispurposemeasurethe referencedimension2and3(seepage23)fromtheupperedgeofthepushrod9tothesealingsurfaceofthe unloadedbellows0andtothelowerstopofthebellows0.Ifthedistanceexceedstheadmissibletolerance, checkthepushrod9forsmoothoperation.Ifthepushrodisjammed,firsteliminatethecauseandthengently knockwithyourhandagainstthepushrod9untilitcanmovefreely.Ifyoucannotfindafaultpleasecontactour TechnicalServicesinyourcountry,statingtheGESTRAmanufacturingnumber.

    4. Insertthesuppliedgasket8inthebottomofthevalveheadandusethehexagonheadcapscrewsbtoscrew thebodytothemountingflange,applyingatorqueof20Nm.Applyacommericallyavailablelubricanttothe screwsandtightentheminseveralstepsindiagonallyoppositepairs.

    5. EngagetheloopofthetensionspringofthecontrolunitXtothehexagonheadcapscrewb.42

  • 22

    Bottom valve HWV 215/1 - DN 80 continued

    Installation continued

    Attention

    Thespecifiedtorquesmustbestrictlyobserved.

    Inadditionmakesurethatthestemoftheballvalvecanalwaysrunsmoothly.Ifthestemdoesnotmovesmoothly,applyacommerciallyavailablelubricant.Donottreatorpaintthesurface!

    Makesurethatthecableroutingdoesnottouchthemanifold!

    Note:Donotusethepushrod9ashandle!

    Attachthecontrolunittothebody.

    Theassemblypartsofthecontrolunitcomprise:

    n 2StudboltsM6x35n 2Lockingwashersn 2NutsM6Thecontrolunitscomeswiththeballvalve.Seedrawingsonpage4

    . Screwstudboltsintothebody,applyingatorqueof20Nm.

    2. UsethelockingwashersandnutstofitthecontrolunitXtothebodywithatorqueof20Nm.3. Engagethetensionspringintheleveroftheballvalve.42 36

    35

    33 34

  • 23

    Bottom valve HWV 215/1 - DN 80 continued

    Installation continued

    6

    20/2xM6 46

    Manifold 88.9

    M2

    78

    6.5

    292

    2turnedthrough90

    turnedthrough90

    Torque20Nm

    Torque20Nmturnedthrough5

    Torque50Nmturnedthrough45

    Referencedimensiononvalvehead

    Referencedimension2onbodywithactuatingcylinder(bellowsunloaded)

    Referencedimension3onbodywithactuatingcylinder(bellowsatlowerstop)

    7 6

    9

    !

    31

    0

    8

    $

    9 d

    c

    6e

    b

    32

    3334

    35 36 37 38 39 40

    Torque20Nm

    42 41

  • 24

    Cable routing

    Installation continued

    ProvidetankcarwithaguidesleeveYforthetensionrope.ThepositionoftheguidesleeveYmustenablethetensionropetoleavethecontrolunitXofthebottomvalveatanangleof45.Seedrawingonpage4

    . Thetensionropesuppliedbythemanufactureris500mmlongandmustbecuttotherequiredlength.

    2. ToconnectthetensionropewiththerailhookCorthetensionropeoperatingdevice,providethetension ropewitharingDaccordingtoDIN26026. NotethatthisringDisnotscopeoftheGESTRAsupply! UsethesuppliedwireclamptoattachtheringD.Fastenthescrewsofthewireclampwithatorqueof2Nm.

    Attention

    Donotpassthetensionropeoversharpedges.

    Thelay-outofthetensionrope,theguidesleeveYandtheringDforattachingthetensionropeoperatingdevicemustcomplywithDIN26026andEN256-3.

    520270

    Tensionrope

    Guidesleeve

    Ifthevalveisopen

    Atdamperlevel060

    Upperedgeofrail

    Ringforattachingthetensionropeoperatingdevice

  • 25

    Operating device BV 110

    Installation continued

    Fittheoperatingdevicestobothsidesofthevesselsuchthattheyareeasilyaccessible.

    Eachoperatingdeviceconsistsof:

    n Handlevern Adhesivelabelforvalveposition(no.04856)Theoperatingdevicesaresuppliedcompletelymounted.Seedrawingonpage4

    . WeldorscrewtheoperatingdevicesEtotheframeW. ThebodyoftheoperatingdeviceEisprovidedwithtwoboreholes(diameter3mm)forscrewedunions. TheassociatedscrewsandlockingwashersarenotscopeoftheGESTRAsupply. Notethatweldingprocessesmustbesupervisedbythelocalweldingauthority.

    2. Whenyouhavefinishedweldingandpainting,sticktheadhesivelabelNindicatingthevalvepositionto thebackofthebodybehindtheindicatingpistonO.

    Dimensionsindicatedinmm Depth64

    Attention

    ThehandleversuppliedbyGestraprotrudesapprox.300mmoutoftherearwallofthebodywhentheflapisclosed.

    Ifnecessaryyoucanshortenthehandlevelbymax.50mm.

    Iftheweldingprocesshasaffectedthecoatofpaint,makesurethatthedamagedpaintworkisrepaired.

    260

    27020032

    2538

    4

    3

  • 26

    Connecting lines

    Installation continued

    Theconnectinglineshavedifferentlengthsduetothedifferentdimensionsofthevesselsortanks.Usethetableonpage28toascertaintherequiredlengths.

    Hydraulictubesincombinationwithhydraulichosesoronlyhydraulichosescanbeusedasconnectinglines.

    Thespecificlay-outoftheconnectinglinesdependsonthedesignofthetankcar.Seedrawingsonpage4andpage28

    . Foronepossiblearrangementweldatransversepipe-runV(sectionalsteel,e.g.L-typesteeltoEN0056- withdimensions00x50x6mm)betweenthetwoframesWoftheoperatingdeviceE. InthiscaseyoucanprovidearecessattheleftsideofthetransversesupportVfortheinstallationofthe hydrauliclineswithoutanykinks. Therequirementsandspecificationsofthelocalweldingauthoritymustbeobserved.

    2. Thelengthandformofthehydraulictubeshavetobematchedtothetransversepipe-runV.Installthehydraulic tubesattheinside(thesidefacingthebottomvalves)ofthetransversepipe-runV.Thetransversepipe-runV canthenalsoprotectthetubes.3. Usepipeclampstofixthehydraulictubestothetansversepipe-runV.4. Toconnectthelinestothelongitudinalpipe-runuseT-typescrewjoints.5. ForaflexibleconnectionbetweenthehydraulictubesandtheoperatingdevicesEuseprefabricatedhydraulic hoseswithalengthofapprox.280mm. AtthesideforconnectingtheoperatingdeviceEtheyareprovidedwitha90bendandaunionnutM6x.5 andatthesideforconnectingthehydraulictubestheyhaveastubM6x.5forconnectingthehydraulictubes.

    6. Severalconnectinglinesfromthetransversepipe-runVtothebottomvalvescanbemadebyusingthe hydraulictubes,,,.7. UseflexiblehydraulichoseswithscrewedendconnectionsM6x.5asconnectinglines,,tothe controlunit.

    8. Ifnecessaryusepipeclampstoconnecttheconnectinglines.Recommendeddistancebetweenpipeclamps: approx.500mm.Duetothelengthofthelinemostconnectinglines,willthereforerequiretheseclamps.Ifonlyhydraulichosesareusedadaptthelengthsaccordinglyandusesuitableendconnections.

    g

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  • 27

    Connecting lines continued

    Installation continued

    IfthedesignoftheinstallationmakesitdifficultorimpossibletoruntheconnectinglinestotheendattachmentsoftheactuatingcylindersofthebottomvalvesHWV205/-DN80orHWV25/-DN80,youcanswoptheendconnectionsoftheactuatingcylinderswiththefillingconnections.

    Forthispurposeuseaspanner9mmA.F.Applyatorqueof40Nmtofastentheconnections(seebelow).

    Attention

    ThehydraulictubesmustmeettherequirementsofDIN239andmustbemadeofSt37.4NBKwithawallthicknessof0xmm.

    ThehydraulichosesmustbeinaccordancewithEN853-SN8.

    Wheninstallingtheconnectinglinesmakesurethatthelineshaveaslightinclinationtowardsthemiddlesuchthatthehydraulicsystemcanbevented.

    Ifnecessarytakeadditionalprecautionstopreventthetransversepipe-runfromswinging.

    Thehydraulictubesleadingtotheactuatingcylindersmustbeprovidedwithexpansionloopsinordertoabsorbvibrations.

    Checkthesoftsealsoftheconnectionsfordamage.Onlysoftsealsthatarenotdamagedcanbeusedagain.Replacedamagedgasketsandseals.

    P P

    Socket-weldendformanifold

    Connectionforindicatingcylinder

    HWV205/Standardarrangementwhensupplied

    HWV25/Standardarrangementwhensupplied

    Fillingconnection

    Fillingconnection

  • 28

    Reference Designation Qty.

    T-typescrewjointe.g.CompanyWalterscheid,

    CompanyErmeto5

    AdjustableT-typescrewjoint

    e.g.CompanyWalterscheid,CompanyErmeto

    Hydraulichosewith90pipebendandconnectingstub

    8

    Hydraulichosewith2xunionnuts

    each

    Dual-typepipeclamp, e.g.CompanyStauff 0

    Hydraulic connecting lines for loading & unloading system HV 215

    Installation continued

    fe

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    d

    c

    b

    a

    Item Length [mm] Item Length [mm] Item Length [mm]

    Itemsh-s:PermanentpipingwithO.D.ofpipe=0mmpossible.ThetubessuppliedbyGESTRAarenotbent.

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    nop

    q

    rs

    de

    f

    lh

    p

    R

    c

    Provideexpansionbendforliquidphase(onlywithhydraulictubes)

    ControlunitHV25

    BV0

    Provideexpansionloopforgasphase(onlywithhydraulictubes)

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  • 29

    Attaching operating plates HV 215

    Installation continued

    Attachtheoperatingplatesatbothsidesofthetankcarnearthevalvessothattheyareclearlyvisible.

    . Makesurethatthesurfaceontowhichyouwanttosticktheadhesivelabelisclean,dryandfreeofgrease.

    2. Removetheprotectivepaper(Controltacprintedonit)fromtheadhesivelabel.

    3. Attachtheoperatingplateatthedesiredpositionbutdonotyetstickitfirmlytoit. Aslongastheoperatingplateisnotfirmlypressedagainstdiesurfaceyoucanstillchangeitsposition.

    4. Tofixtheoperatingplatepermanentlyuseaplasticspatulatopresstheadhesivelabelfirmlyagainstthesurface. Startinthemiddleofthelabelandmakesurethatnoairgetstrappedin.

    5. Carefullystripofftheprotectivesheetand,ifnecessary,pressthecornersoftheoperatingplateagainfirmly againstthesurface.

    6. Ifthereareairblistersprickaneedleintothemandthenpressthelableagainfirmlyagainstthesurface.

    Attaching list indicating fluids

    ThefluidlistmustonlybeattachedifbottomvalvesareusedwithavalveplugjointCRatbothoperatingdevices.Seedrawingonpage4

    AttachthefluidplatesZatthemiddleoftheinsideofbothflapsoftheoperatingdevicesEsothattheyareclearlyvisible.

    GESTRA

  • 30

    Filling and venting of hydraulic system

    Installation continued

    Tofillthewholehydraulicsystemoftheloadingsystemcarryoutthefollowingtwosteps:

    . Fillingthehydraulicactuatorsystem Sequence:Bothsidesseparatelyoneaftertheother.

    2. Fillingthehydraulicindicatingsystem Sequence: .Liquidphase 2.Gasphase

    Thehydraulicsystemhastobefilledafterinstallingtheloadingsystemorwhenmaintenanceworkorrepairshavebeencarriedout.

    Attention

    Useonlyoilsthatarerecommendedbythemanufacturer.RecommendedoilsareESSOZerice22,ARALVitamol4004orotheroilswithsimilarproperties.

    Filling and venting of hydraulic actuating system

    Depressurisesystembeforefillingthehydraulicsystem.

    Seedrawingsonpage4andpage23

    . Releasethetensionrope-theballvalveofthecontrolunitXofthebottomvalveHWV25/-DN80 willautomaticallyopenthehydraulicsystem.

    2. UnscrewtheredplugSandthedipstickoftheoilfillingconnectionofthehydraulichandpumpT andfilloilintothetank.

    3. PullthetensionropeinordertoclosetheballvalveofthecontrolunitXofthebottomvalve HWV25/-DN80.

    4. OperatethehydraulichandpumpTuntiltheresistancefirstincreasesperceptibly,thepressurelimitingvalve responsesaudiblyandthenthereisadistinctpressurerelief.Thencarryout20to30strokeswiththepump leverFofthehydraulichandpumpTinordertodischargetheairinthehydraulicsystemviathepressure- limitingvalve.

    5. UsetheoildipstickSinthecovertochecktheoillevel.IfnecessaryrefilloilandscrewinplugSofoilfilling connectionwithatorqueof20Nm.

    6. Finallyloosenthetensionropeinordertore-openthehydraulicsystem.

    RepeatthewholeprocedurewiththesecondhydraulichandpumpT.

    36

    36

  • 3

    Filling and venting of hydraulic indicating system

    Installation continued

    Openbothbottomvalvesbeforefillingthehydraulicindicatingsystem.Seedrawingonpage4

    . UsetheoperatingdeviceEtoopenthebottomvalves.2. LoosentheventingplugQoftheactuatingcylinderHoftheliquidphaseintheoperatingdeviceE byhalfaturn.

    3. Tofillthehydraulicindicatingsystemconnectanexternaloilhandpumpwithapressuregauge (measuringrange:0-20bar)tothefillingconnectionIofthebottomvalvefortheliquidphase. OperatethepumpuntiltheoilleavestheventingplugQoftheindicatingcylinderHwithoutanybubbles.4. ThenfastentheventingplugQtightly.5. ContinuetooperatetheexternaloilhandpumpuntiltheindicatingpistonOiscompletelymovedout andapressureofapprox.0to20barisindicatedbythepressuregauge.

    6. FinallyremovetheexternaloilhandpumpfromthefillingconnectionIofthebottomvalveandopen thehydraulicsystembylooseningthetensionrope.Thebottomvalveclosesautomatically.

    Followthesamestepswhenfillingthebottomvalveforthegasphase.

    Performance test

    UsebothoperatingdevicesEfortheperformancetest.Seedrawingsonpage4andpage23

    . Toclosethehydraulicsystem,pullthetensionropethatclosestheballvalveofthecontrolunitX ofthebottomvalveHWV25/-DN80.

    2. UsethepumpleverFofthehydraulichandpumpTintheoperatingdeviceEandperformapprox. sixstrokesuntilyoudetectaslightresistance.TheindicatingpistonsOofbothbottomvalvesmustnow beintheopenpositionandtheymustbeextendedbyapprox.46mm.

    3. Duringtheholdtimeofapprox.2hoursthepressuremustnotdecrease.

    4. Checkallconnectionsandscrewedunionsforoilleaks.Ifnecessaryre-tightentheconnections.

    5. Thenre-openthehydraulicsystembylooseningthetensionrope.

    6. BothbottomvalvesmustcloseautomaticallyandtheindicatingpistonsOintheoperatingdevicesE mustbeatthelowerposition.

    36

  • 32

    Service

    Operation

    Duringtheloadingprocessthefollowingactionswilltakeplace:

    n Openingofbottomvalven ClosingofbottomvalveToopen/closethebottomvalvesoperateoneoftheoperatingdevicesEateithersideofthetank.Seedrawingonpage4

    WhenopeningtheoperatingdeviceEremove-ifnecessary-thecustomsleadsealfromtheboltM.. ToopentheoperatingdeviceEpushtheboltMupwardsandthenturnitby90tooneside. Youcannowswingdownthelid.

    2. MakesurethatthepumpleverofthehydraulicpumpFiscompletelyextendedtowardsthefront.3. ConnecttherailhookC(e.g.railhookVZ0)tothetensionropeandengageitintherail. TheballvalveofthecontrolunitXofthebottomvalewillcloseandthehydraulicsystemisreadyforoperation.4. Theup-strokesanddown-strokesoftheleverofthehydraulichandpumpFintheoperatingdeviceE builduppressureinthehydraulicsystem,causingthetwobottomvalvestoopensimultaneously. Afterapprox.sixstrokesofthepumpleverbothbottomvalveswillbecompletelyopen.Checkposition ofbottomvalves:Theopeningpositionofthebottomvalvesisindicatedbythetwocompletelyextended indicatingpistonsOoftheindicatingcylindersH(liftofindicatingpistonsapprox.46mm).5. Openthelateralshut-offvalvesAtostarttheloading/unloadingprocess.6. ThepumpleverofthehydraulicpumpFisnolongerrequiredandmustbereturnedtoitsoriginalposition.

    Attention

    Ifonlyoneoperatingdevicefortheloadingsystemwasopened,thelidoftheotheroperatingdevicecannotbeopenedwhenthebottomvalvesareopen.

    Closebottomvalvesimmediatelyafterloadingorunloadingthetank.Seedrawingonpage4

    7. ToclosethebottomvalvesdisengagethetherailhookCfromtherail.Thiswillloosenthetensionrope. TheballvalveofthecontrolunitXopensthehydraulicsystemandbothrapid-actionbottomvalveswillbe closedinstantaneously.BesurethatbothbottomvalvesareclosedbycheckingtheindicatingpistonsO oftheindicatingcylindersH.Bothindicatingpistonsmustberetracted.8. ThencloseandlatchtheoperatingdeviceE.9. Tofinishtheloading/unloadingprocessclosetheshut-offvalvesAandattachthesealingplugstothe shut-offvalves.

    Attention

    Note:Ifthelidcannotbeclosed,oneorbothbottomvalvesarestillopen!

    Theinsideofthelidoftheoperatingdevicefeaturesabracket.Thisbracketpreventstheclosingofthelidwhenoneorbothbottomvalvesareopen.Thelidcanonlybeclosedwhentheindicatingpistonsareretracted.Thecauseofthismalfunctionmustbeascertainedandeliminated!

    Ifonlyoneoperatingdevicefortheloadingsystemwasopened,thelidoftheotheroperatingdevicecannotbeopenedwhenthebottomvalvesareopen.

  • 33

    Emergency operation

    Operation continued

    Duringemergencyunloadingthefollowingactionswilltakeplace:

    n Openingofbottomvalven ClosingofbottomvalveIfbothbottomvalvesaretobeopened,openfirstthebottomvalveforthegasphaseandthentheonefortheliquidphase.Seedrawingonpage4

    . UnscrewthesealingplugJofthebottomvalvelocatedinthebottomoftheactuatingcylinderB. Asmallamountofoilmightescape.PutthesealingplugJintheoperatingdeviceE.2. UnscrewoneortwooftherequiredscrewsforsealingofftheopeningforemergencyunloadingKfrom oneofthetwooperatingdevicesEandapplyasmearofcommerciallyavailablelubricanttothem. TheyarescrewedonebelowtheotheratthebackoftheoperatingdeviceE.4. Screwthesealing-offscrewKintothethreadatthebottomoftheactuatingcylinderBinordertoopen thebottomvalve.

    5. Openthelateralshut-offvalvesAtostarttheloading/unloadingprocess.

    Usetheemergencyoperationofthebottomvalvesonlyifbothhydraulichandpumpshavefailedor,foranyotherreason,thereisnotenoughpressureforopeningoneorbothbottomvalves.

    Incaseofemergencyoperationarapid-actionclosingofthebottomvalveisnotpossible.

    Warning

    Ifbothbottomvalvesaretobeclosedviaemergencyoperation,firstclosethebottomvalvefortheliquidphaseandthentheoneforthegasphase.Seedrawingonpage4

    . Toclosethebottomvalveunscrewthesealing-offscrewforemergencyunloadingKoutofthebottom oftheactuatingcylinderB.Thespringinthebottomvalveeffectstheclosing.2. Oncetheemergencyloading/unloadingprocesshasbeenaccomplished,screwthesealing-offscrewsK backintotherearwalloftheoperatingdeviceE.3. Tofinishtheloading/unloadingprocess,closetheshut-offvalvesAandattachthesealingplugsto theshut-offvalves.

    4. Defectivebottomvalvesmustbepermanentlymarkedinordertoavoidinadvertentre-commissioning. DonotscrewsealingplugsJintodefectivebottomvalves.5. Thecauseofthemalfunctionmustbeascertainedandeliminatedbyqualifiedpersonnel!

    Incaseofemergencyoperationarapid-actionclosingofthebottomvalveisnotpossible.

    Whentheemergencyoperationofoneorbothbottomvalvesisfinished,findandeliminatethecauseforthemalfunction.Notethattherepeatedorcontinuousapplicationoftheemergencyoperationisconsideredasimproperusage.Theresultingriskwillhavetobebornebytheuseralone.Themanufacturerherebyexpresslyrejectsanyclaimsforanyresultingdamage.

    Warning

  • 34

    Bottom valves HWV 205/1 - DN 80/ HWV 215/1 - DN 80

    Maintenance

    Type of maintenance Time interval Activity

    Checkvalveplugseal

    Whennecessary,duringmaininspection

    atthelatest(every4yrs.)

    Checkvalveheadforleaks.IfaleakisdetectedreplacevalveplugsealasdescribedinsectionMaintenance.

    Replacevalveplugseal

    Maininspection(every4yrs.)

    ReplacevalveplugsealasdescribedinsectionMaintenance.

    CheckactuatingcylinderB

    Whennecessary,duringmaininspection

    atthelatest(every4yrs.)

    Checkconnectionbetweenactuatingcylinderandbody.Ifyoudetectanoilleak

    replacethePTFEsealandtheO-ringasdescribedinsectionMaintenance.

    Checktorqueof50Nm$

    Whennecessary,duringmaininspection

    atthelatest(every4yrs.)

    Checkthetorquesofthefourhexagon-headcapscrewsoftheactuatingcylinderand,ifnecessary,retightenthe

    screwstoatorqueof50Nm.

    Checktorqueof20Nmb

    Whennecessary,duringmaininspection

    atthelatest(every4yrs.)

    Checkand,ifnecessary,re-tightenthesixhexagon-headcapscrewsofthebodyandthetwohexagonnutsthatfix

    thecontrolunittothebodywithatorqueof20Nm.

    Checksmoothnessofoperationofballvalveshaft

    Whennecessary,duringmaininspection

    atthelatest(every4yrs.)

    Checksmoothoperationgofswitchingshaft.Iftheswitchingshaftdoesnotmovesmoothlyapply

    acommerciallyavailablelubricant.

    Replacepistonseal(

    Whennecessary,every8yearsatthelatest

    ReplacepistonsealasdescribedinsectionMaintenance.

    31

    34

    31

    36

  • 35

    Operating device BV 110

    Maintenance continued

    Type of maintenance Time interval Activity

    Checkoillevel

    Whennecessary,duringmaininspection

    atthelatest(every4yrs.)

    Thelevelinthetankofthehydraulichandpumpmustbeabovethelowermarkingonthedipstick.

    Checktightness

    Whennecessary,duringmaininspection

    atthelatest(every4yrs.)

    Makesurethatoilcannotescapeatconnections,jointsandT-typescrewedunions.

    Ifnecessary,retightenrespectiveconnections.

    Checkvalvelift

    Whennecessary,duringmaininspection

    atthelatest(every4yrs.)

    Withthehydraulicsystemclosed,afterapprox.6liftsofthehydraulichandpumpbothindicatingpistons

    mustbecompletelyextended(heightapprox.46mm).

    Checkholdingpressure

    Whennecessary,duringmaininspection

    atthelatest(every4yrs.)

    Withthehydraulicsystemclosed,bothbottomvalvesmustwithstandaconstantpressurefortwohours

    withoutclosing.

    Checkrapid-actionclosing

    Whennecessary,duringmaininspection

    atthelatest(every4yrs.)

    Whendisengagingthetensionropetherapid-actionclosingmusttakeplacewithinonesecondand

    theindicatingpistonsmustbeatthelowermarking.

    Checkcompleteness

    Whennecessary,duringmaininspection

    atthelatest(every4yrs.)

    Bothoperatingdevicesmusthavetwoemergencyoperatingscrewseach.Theseemergencyoperatingscrewsmustbe

    screwedintherearwall.

    Connecting lines

    Type of maintenance Time interval Activity

    Checktightness

    Whennecessary,duringmaininspection

    atthelatest(every4yrs.)

    MakesurethatnooilcanescapeatconnectingjointsandT-typescrewedunions.Ifnecessary,retightenrespectiveconnections.

  • 36

    Hydraulic loading & unloading system HV 215

    Servicing

    Observethefollowingservicinginstructionswhenevercarryingout:

    n Visualexaminationsaspartofthemaininspectionn RepairworkduetoleaksorothermalfunctionsThebottomvalvesHWV205/-DN80andHWV25/-DN80requiremaintenanceandservicing.TheoperatingdeviceBV0ismaintenancefree.

    WerecommendremovingthebottomvalvesHWV205/-DN80andHWV25/-DN80andcheckingthemforwearanddamagewhenperformingvisualinspections.

    Donotre-usepartssubjecttowear,suchasgasketsandseals.Wornordamagedpartsmustbereplacedafterascer-tainingandeliminatingthecauseofthedamage.UseonlygenuineGESTRAparts.

    GESTRAsuppliesthefollowingsealkits:

    . Stockcode049387

    n ValveplugsealPTFEn 2Gaskets25682. Stockcode049395

    n ValveplugsealCRn 2Gaskets25683. Stockcode049563

    n Pistonsealn Sealringan 2O-rings()n Gasket!n Gasket&Modificationstothedesignmayonlybemadeifthemanufacturerswrittenpermissionisobtained.

    31

    31

    Replacing valve plug seal

    Thevalveheadcanberemoveddirectlyinsidethetank.Thisoptionishighlyrecommendedsinceinthiscasethebottomvalves,theconnectinglinesandthehydraulicsystemdonotrequireanyadditionalpreparation.

    If,however,thevalveheadcanonlyberemovedfromtheoutside,pleaseproceedasfollows:Seedrawingsonpage4,page6andpage38

    . FirstdisconnectallconnectionsoftheactuatingcylinderB.Asmallamountofoilmightescape. Collecttheoilanddisposeofitcorrectly.

    2. Ifpossibleseparatethemanifoldfromthebody.

    3. ToremovethebodyandtheactuatingcylinderBunscrewthesixhexagon-headcapscrewsbofthebody andremovethebodyandtheassociatedactuatingcylindertogether.Removegasket8.4. Undothe2socket-headcapscrewscandtakethevalveheadfromthemountingflange.Forthispurpose youcanscrewtwohexagon-headcapscrewsM0intothetwothroughthreadsoftheseatflange. Notethatthesescrewsarenotscopeofthesupply.

  • 37

    Replacing valve plug seal continued

    Servicing continued

    Removegasket6.Toremovethevalveheadproceedasfollows:Seedrawingonpage38

    . Securethepreloadedcompressionspringf.Forthispurposeyoucanuseadevice(notscopeofthesupply) thatbearstheloadofthespringbymeansofleveragesothatthe6hexagon-headcapscrewscanbesafely loosened.

    2. Thenunscrewthesixhexagon-headcapscrews1withthelockingwasher2outofthestaybolt4. Takethevalveplugetogetherwiththespringplate3andthecompressionspringfoutof theseatflange.7.3. Thenremovetheretainingringhandthewasherg.4. Unscrewthefoursocket-headcapscrewsi,takeoutthewasherjandremovethevalveplugseal.Carefullycleanallremovedanddismantledparts.

    31

    Anyuseofnakedflamesisexpresslyforbidden!

    Beforeperforminganyserviceworkinsidethetankmakesurethatthetankissufficientlyventilatedandallgaseshavebeencompletelyvented.TherulesconcerningMAC(=maximumallowableconcentration)valuesatplaceofworkmustbestrictlyapplied!

    Notethataninadequatelysecuredcompressionspringcanleadtopartsflyingaround,causingseriousinjuries.

    Warning

    Tomountthevalveheadproceedinreverseorderoftheremovingprocedure:Seedrawingfurtherdown

    . Putthevalveplugsealontotovalveplugeandscrewinthefoursocket-headcapscrewsitogether withthewasherj,applyingatorqueof5Nm.Applyacommerciallyavailablelubricanttothescrews andtightentheminseveralstepsindiagonallyoppositepairs.

    2. Thensecurethewashergbyusingtheretainingringh.3. Screwthesixhexagon-headcapscrews1togetherwiththelockingwashers2intothestaybolts3, usingatorqueof25Nm.Applyacommericallyavailablelubricanttothescrewsandtightentheminseveral stepsindiagonallyoppositepairs.

    TomountthebottomvalvesfromtheoutsidefollowtheinstructionsgiveninsectionInstallation(seepage7forHWV205/-DN80andpage20forHWV25/-DN80).

    31

    Attention

    Thespecifiedtorquesmustbestrictlyobserved.

  • 38

    Replacing valve plug seal continued

    Servicing continued

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  • 39

    Reworking seat flange

    Iftheseatingssurfaceoftheseatflangeisslightlydamagedyoucanremoveandreworktheseatflange.Formoredetailsseedrawingbelow.

    Toremovetheseatflangepleaseproceedasfollows:Seedrawingonpage38

    . Removebodyandactuatingcylinder.

    2. Unscrewthe2socket-headcapscrewscandtheirassociatedlockingwashersdandremove theseatflange.Takeoutthegasket6.3. Unscrewthesixstaybolts4togetherwiththeirsleeves5outoftheseatflange7.Re-assemblyinreverseorder:Seedrawingonpage42

    . Firstpushthesleeves5ontothesixstaybolts4andthenscrewthemwithatorqueof25Nm totheseatflange7.Applyacommericallyavailablelubricanttothescrewsandtightenthem.2. Tomountthevalveheadfollowtheindicatedsteps(seepage38).

    3. Thenputanewgasket6ontotheseatflange7.4. Usethe2socket-headcapscrewsctogetherwiththeirlockingwashersdtomountthevalvehead tothemountingflange.Tightenthemwithatorqueof20Nm.Applyacommerciallyavailablelubricant tothescrewsandtightentheminseveralstepsindiagonallyoppositepairs.

    Servicing continued

    Attention

    Thespecifiedtorquesmustbestrictlyobserved.

    85

    Ra0.8

    max.5x45

  • 40

    Replacing gaskets of actuating cylinder

    Servicing continued

    Toremovetheactuatingcylinderproceedasfollows:Seedrawingsonpage6andpage4

    . Ifconnectinglinesarestillattachedtotheactuatingcylinder,youhavetodetachtheseconnectionsfirst. Asmallamountofoilmightescape.Collecttheoilanddisposeofitcorrectly.

    2. Unscrewthefourhexagon-headcapscrews$inthebottomoftheactuatingcylinderandremove theactuatingcylinder.

    3. Firsttakeoutthesealingplug%andthejointring&.Usethisopeningtocarefullypullthepiston", thepushrod9andthebellows0outoftheactuatingcylinder.4. Takeoutthepistonseal.5. Pullthepiston"outofthebellows0.6. Removetheretainingring/ofthelowerpartofthebellows0andpulloutthebushing=. TakeouttheO-ring)andthesealringa.7. ThenremovetheO-ring(fromtheactuatingcylinder.ToinstalltheactuatingcylinderBproceedasfollows:Seedrawingonpage4

    . FirstinsertanewO-ring(intheactuatingcylinder.2. InsertfirstthesealringaandtheO-ring)inthelowerpartofthebellows0.Thenputthebushing= intothebellows0andsecureitwiththeretainingring/.3. Thenplacethepistonsealontothepiston".4. Putthepiston"intothebellows0.Applyalightsmearofhydraulicoiltothepistonseal. Thenputthiscomponentintotheactuatingcyclinder.

    5. Screwthesealingplug%withthejointring&intotheactuatingcylinder.

    32

  • 4

    Replacing gaskets of actuating cylinder continued

    Servicing continued

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    32

  • 42

    Replacing control unit of bottom valve

    Servicing continued

    Inthecontrolunittheballvalvewiththetensionropewillbereplaced.

    Toremovetheitemproceedasfollows:Seedrawingfurtherdown

    . Disengagethespringfromtheleveroftheballvalve.

    2. Detachthehydraulichoses.

    3. Unscrewthetwohexagonnutsandtheirlockingwashersandremovetheballvalve.

    Toinstalltheitemproceedasfollows:

    . Usetwohexagon-headcapscrewsandhexagonnutswithwashinglockerstofixtheballvalve tothesupportwithatorqueof25Nm.

    2. Attachtheconnectionsforthehydraulichoses.

    3. Engagethespringintheleveroftheballvalve.

    42 36

    41

    39 40 36

    38 39 40 36

    37

    41

    42 36

    Attention

    Thespecifiedtorquesmustbestrictlyobserved.

    42 41

    36 37 38 39 40

  • 43

  • 44

    Great Britain

    Flowserve Flow Control (UK) Ltd.BurrelRoad,HaywardsHeathWestSussexRH6TLTel. 0044444/34400Fax 0044444/34557E-mail: [email protected]

    Italia

    Flowserve S.p.A.FlowControlDivisionViaPrealpi,30l-20032Cormano(MI)Tel. 003902/66325Fax 003902/66325560E-mail: [email protected]

    GESTRA ESPAOLA S.A.LuisCabrera,86-88E-28002MadridTel. 00349/552032Fax 00349/436747;552036E-mail: [email protected]

    Espaa

    Flowserve DALCO Steam Products260GrasslandDriveLouisville,KY40299Tel. 00502/495054,495788Fax 00502/495608E-mail: [email protected]

    USA

    Portugal

    Flowserve Portuguesa, Lda.Av.Dr.AntunesGuimares,59Porto400-082Tel. 0035 22/698770Fax 0035 22/607575E-mail: [email protected]

    Polska

    GESTRA POLONIA Spolka z.o.o.Ul.Schuberta04PL-80-72GdanskTel. 004858/3060-02od0Fax 004858/3063300E-mail: [email protected]

    Agenciesallovertheworld:

    www.gestra.de

    GESTRA AGP.O.Box05460, D-28054BremenMnchenerStr.77, D-2825BremenTelephone +49(0)423503 - 0Fax +49(0)423503 - 393E-Mail [email protected] www.gestra.de

    88480-0/005cm 2003GESTRAAGBremenPrintedinGermany