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Transcript of GESTRA-Flowserve
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t
GESTRA Steam Systems
HV 215Installation Instructions 818480-01HydraulicLoadingandUnloadingSystemHV25
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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
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3Hydraulicloading&unloadingsystemHV25.......................................................................................................... 36Replacingvalveplugseal...................................................................................................................................36-38Reworkingseatflange.............................................................................................................................................. 39Replacinggasketsofactuactingcylinder............................................................................................................ 40,4Replacingcontrolunitofbottomvalve...................................................................................................................... 42
Servicing
Contents continued Page
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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
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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
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6Basic Components of Bottom Valves
Mountingflange
Valvehead
Body
Actuatingcylinder
1234567
8ji h g dc
e
f
b
a=)(/
&%$
"
!0
9
31
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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
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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
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9Important Notes continued
TheconfigurationoftheloadingandunloadingsystemHV25mountedtothetankcarcarryingpressurizedgasmeetstherequirementsofDIN26026orofEN256-3.ThebottomvalvesHWV205/-DN80andHWV25/-DN80fulfillthelegalrequirementsoftheRID/GGVSEsec-tion6,constitutingthefirstinnershut-offasdefinedintheseregulations.
Legal regulations
Anyuseofnakedflamesisexpresslyforbidden!
Beforeperfomringanyserviceworkinsidethetankmakesurethatthetankissufficientlyventilatedandallgaseshavebeencompletelyvented.TherulesconcerningMAC(=maximumallowableconcentration)valuesatplaceofworkmustbestrictlyapplied!
Warning
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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
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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
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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
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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
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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
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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.
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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
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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.
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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!
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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
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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
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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.
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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.
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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
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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
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Item Length [mm] Item Length [mm] Item Length [mm]
Itemsh-s:PermanentpipingwithO.D.ofpipe=0mmpossible.ThetubessuppliedbyGESTRAarenotbent.
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Provideexpansionbendforliquidphase(onlywithhydraulictubes)
ControlunitHV25
BV0
Provideexpansionloopforgasphase(onlywithhydraulictubes)
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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
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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.
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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.
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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.
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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
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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.
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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.
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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.
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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.
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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.
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38
Replacing valve plug seal continued
Servicing continued
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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
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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.
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Replacing gaskets of actuating cylinder continued
Servicing continued
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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
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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]
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