Alfalaval LKB User manual

ESE02446-EN212022-10
Originalmanual
InstructionManual
LKB,LKB-2,LKB-F,LKB-LPAutomaticorManualButteryValve

Tableofcontents
Theinformationhereiniscorrectatthetimeofissuebutmaybesubjecttochangewithoutpriornotice
1.DeclarationsofConformity.................................................................5
2.Safety..........................................................................................7
2.1.Importantinformation.............................................................................7
2.2.Warningsigns.....................................................................................7
2.3.Safetprecautions................................................................................8
3.Installation....................................................................................9
3.1.Unpacking/deliver...............................................................................9
3.2.Generalinstallation................................................................................10
3.3.Welding............................................................................................12
3.4.Fittingactuator/bracket/handleonthevalve(optionalextras)................................13
3.5.Recclinginformation.............................................................................14
4.Operation.....................................................................................15
4.1.Operation..........................................................................................15
4.2.Troubleshooting...................................................................................16
4.3.Recommendedcleaning.........................................................................17
5.Maintenance..................................................................................18
5.1.Generalmaintenance.............................................................................18
5.2.Dismantlingofvalve-LKB/LKB-2/LKB-LP....................................................20
5.3.Assemblofvalve-LKB/LKB-2/LKB-LP.......................................................21
5.4.Dismantlingofvalve-LKB-F....................................................................23
5.5.Assemblofvalve-LKB-F.......................................................................24
5.6.Dismantlingofactuator...........................................................................25
5.7.Assemblofactuator.............................................................................26
6.Technicaldata................................................................................27
6.1.Technicaldata.....................................................................................27
7.Partslistandservicekits...................................................................29
7.1.LKB,LKB-2,LKB-FButterflvalves,drawings................................................29
7.2.LKB-LPButterflvalve,drawing.................................................................30
7.3.LKLAandLKLA-TactuatorsØ85mm,drawings.............................................31
7.4.LKLAandLKLA-TactuatorsØ133mm,drawings............................................33
7.5.LKBButterflvalve,ISO..........................................................................34
7.6.LKB-FButterflvalves,ISO......................................................................36
7.7.LKB-FButterflvalves,DIN......................................................................38
7.8.LKB-2Butterflvalves............................................................................40
7.9.LKB-LPButterflvalve...........................................................................42
7.10.LKLAø85mm(NO/NC)..........................................................................44
7.11.LKLAø85mm(A/A)..............................................................................46
7.12.LKLADN125-150ø85mm(A/A)...............................................................48
7.13.LKLAø133mm(NO/NC)........................................................................50
7.14.LKLAø133mm(A/A).............................................................................52
7.15.LKLA-Tø85mm(NO/NC).......................................................................54
7.16.LKLA-Tø85mm(A/A)............................................................................56
7.17.LKLA-TDN125-150ø85mm(A/A)............................................................58
7.18.LKLA-Tø133mm(NO/NC)......................................................................60
7.19.LKLA-Tø133mm(A/A)..........................................................................62
3

Tableofcontents
Theinformationhereiniscorrectatthetimeofissuebutmaybesubjecttochangewithoutpriornotice
7.20.LKBlockablemultipositionhandleforvalve....................................................64
7.21.LKBhandle1.1forbutterflvalve...............................................................66
7.22.Handle1.1forindicationunit....................................................................68
4

1DeclarationsofConformity
EU EU
EUDeclaration Declaration Declarationof of ofConformit Conformit Conformit
TheDesignatedCompan
AlfaLavalKoldingA/S,Albuen31,DK-6000Kolding,Denmark,[phone]
Companname,addressandphonenumber
Herebdeclarethat
Valveactuator
Designation
LKLANC,LKLANO,LKLAA/A,LKLA-TNO,LKLA-TNC,LKLA-TA/A
Tpe
isinconformitwiththefollowingdirectiveswithamendments:
-MachinerDirective2006/42/EC
Thepersonauthorisedtocompilethetechnicalfileisthesignerofthisdocument.
GlobalProductQualitManagerLarsKruseAndersen
TitleName
Kolding,Denmark2022–10–01
PlaceDate(YYYY-MM-DD)Signature
ThisDeclarationofConformitreplacesDeclarationofConformitdated2016-06-01
5

1DeclarationsofConformity
UK UK
UKDeclaration Declaration Declarationof of ofConformit Conformit Conformit
TheDesignatedCompan
AlfaLavalKoldingA/S,Albuen31,DK-6000Kolding,Denmark,[phone]
Companname,addressandphonenumber
Herebdeclarethat
Valveactuator
Designation
LKLANC,LKLANO,LKLAA/A,LKLA-TNO,LKLA-TNC,LKLA-TA/A
Tpe
isinconformitwiththefollowingdirectiveswithamendments:
-TheSupplofMachiner(Safet)Regulations2008
Signedonbehalfof:AlfaLavalKoldingA/S
GlobalProductQualitManagerLarsKruseAndersen
TitleName
Kolding,Denmark2022–10–01
PlaceDate(YYYY-MM-DD)Signature
DoCRevison_01_102022
6

2Safety
Unsafepracticesandotherimportantinformationarehighlightedinthismanual.
Warningsareemphasizedbymeansofspecialsigns.
2.1Importantinformation
Alwas Alwas
Alwasr r read ead eadthe the themanual manual manualbefor befor before e eusing using usingthe the thevalve! valve! valve!
W W
WARNING ARNING ARNING
Indicatesthatspecialproceduresmust must
mustbefollowedtoavoidseriouspersonalinjur.
CAUTION CAUTION
CAUTION
Indicatesthatspecialproceduresmust must
mustbefollowedtoavoiddamagetothevalve.
NOTE NOTE
NOTE
Indicatesimportantinformationtosimpliforclarifprocedures.
ThisInstructionmanualisdesignedtoprovidetheuserwiththeinformationtoperformtaskssafelforallphasesinthelifetimeof
theproductsupplied.
Theusershallalwasreadthesafetsectionfirst.Hereaftertheusercanskiptotherelevantsectionforthetasktobecarried
outorfortheinformationneeded.
Thisisthecompletemanualforthesuppliedproduct.
Operators Operators
Operators
Theoperatorsshallreadandunderstandtheinstructionmanualforthesuppliedproduct.
Maintenance Maintenance
Maintenancepersonnel personnel personnel
Themaintenancepersonnelshallreadandunderstandtheinstructionmanual.
Themaintenancepersonnelortechniciansshallbeskilledwithinthefieldrequiredtocarroutthemaintenanceworksafel.
T T
Trainees rainees rainees
Traineescanperformtasksunderthesupervisionofanexperiencedemploee.
People People
Peoplein in ingeneral general general
Thepublicshallnothaveaccesstothesuppliedproduct.
How How
Howto to tocontact contact contactAlfa Alfa AlfaLaval Laval Laval
Contactdetailsforallcountriesare
continuallupdatedonourwebsite.
Pleasevisitwww.alfalaval.comtoaccesstheinformationdirectl.
2.2Warningsigns
Generalwarning:
Causticagents:
7

2Safety
Allwarningsinthemanualaresummarisedonthispage.
”Mushrooms”=Fasteningconnectionsontheendcap.
ayspecialattentiontotheinstructionsbelowsothatseverepersonalinjuryand/ordamagetothevalveareavoided.
2.3Safetyprecautions
Installation Installation
Installation
Alwas Alwas
Alwasreadthetechnicaldatathoroughl(Seechapter6Technicaldata).
Alwas Alwas
Alwasreleasecompressedairafteruse.
Never Never
Nevertouchthecouplingbetweenthevalvebodandtheactuatorifcompressedairissuppliedtotheactuator.
Operation Operation
Operation
Alwas Alwas
Alwasreadthetechnicaldatathoroughl(Seechapter6Technicaldata).
Never Never
Nevertouchthevalveorthepipelineswhenprocessinghotliquidsorwhensterilising.
Never Never
Nevertouchthecouplingbetweenthevalvebodandtheactuatorifcompressedairissuppliedtotheactuator.
Alwas Alwas
Alwashandleleandacidwithgreatcare.
Maintenance Maintenance
Maintenance
Alwas Alwas
Alwasobservethetechnicaldatathoroughl(Seechapter6Technicaldata)
Alwas Alwas
Alwasreleasecompressedairafteruse.
Never Never
Neverservicethevalvewhenitishot.
Thevalve/actuatorandthepipelinesmustnever never
neverbepressurisedwhenservicingthevalve/actuator.
Never Never
Neverstickourfingersthroughthevalveportsiftheactuatorissuppliedwithcompressedair.
Never Never
Nevertouchthecouplingbetweenthevalvebodandtheactuatorifcompressedairissuppliedtotheactuator.
Theactuatorspringsarenot not
notcaged(ø85mm,NC/NO).
Never Never
Neverusecompressedairforremovingtheendcapsoftheactuator.
Alwas Alwas
Alwasfittheendcapwiththe“mushrooms”turnedoutwardsandpositionitcorrectlbeforesupplingcompressed
airtotheactuator.
Alwas Alwas
AlwasuseAlfaLavalgenuinespareparts.ThewarrantofAlfaLavalproductsisdependentontheuseofAlfa
Lavalgenuinespareparts.
T T
Transportation ransportation ransportation
Alwas Alwas
Alwasensurethatcompressedairisreleased.
Alwas Alwas
Alwasensurethatallconnectionsaredisconnectedbeforeattemptingtoremovethevalvefromtheinstallation.
Alwas Alwas
Alwasdrainliquidoutofvalvesbeforetransportation.
Alwas Alwas
Alwasusedpredesignedliftingpointsifdefined.
Alwas Alwas
Alwassecuresufficientfixingofthevalveduringtransportation-ifspecialldesignedpackagingmaterialisavailable,it
mustbeused.
STORAGE STORAGE
STORAGE
Ideall,asaguideAlfaLavalrecommend:
-Storesuppliedproductassuppliedinoriginalpackaging
-Portopeningshouldbeprotectedagainstaningress
-Baresteel(notstainless)shouldbelightloiled/greased
-Storeinaclean,drplacewithoutdirectsunlightorUVlight
-Temperaturerange-5to40°C
-Relativehumiditlessthan60%
-Noexposuretocorrosivesubstances(alsoaircontained).
8

3Installation
Theinstructionmanualispartofthedelivery.Readtheinstructionscarefully.
Theitemsrefertopartslistandservicekitssections.
Thevalveissuppliedasseparatepartsasstandard(forwelding)
Thevalveisassembledbeforedelivery,ifitissuppliedwithfittings(LKB/LKB-2)
3.1Unpacking/delivery
Step Step
Step1 1 1
CAUTION CAUTION
CAUTION
AlfaLavalcannotbeheldresponsibleforincorrectunpacking.
Check Check
Checkthe the thedeliver: deliver: deliver:
1.Completevalve(seeStep2).
2.Completeactuator,ifsupplied(seeStep3).
3.Bracketforactuator,ifsupplied(seeStep3).
4.Completehandle,ifsupplied.
5.Delivernote.
6.Instructionmanual.
Step Step
Step2 2 2
Standar Standar
Standard d ddeliver deliver deliverof of ofvalve valve valveparts: parts: parts:
1.Twovalvebodhalves(1).
2.Valvedisc(2)fittedinsealring(5).
3.Twobushes(3,4)fittedonthediscstem.
4.Asetofscrewsandnuts(6).
5.Twoflanges(7)andtwoflangesealrings(8),(LKB-F).
Separatepartsforwelding
LKB/LKB-2LKB-F(onlforwelding)
Step Step
Step3 3 3
Deliver Deliver
Deliverof of ofactuator actuator actuatorand and andbracket: bracket: bracket:
1.Completeactuatorwithcouplingandactivatingring(ø85mm)
orindicationpin(ø133mm).
2.Bracketwithscrewsfortheactuator.
3.Mountthewaterrejectorintheactuator
LKLA
ø85mm
Bracket
withscrews
LKLA
ø133mm
Waterrejector
Coupling
Step Step
Step4 4 4
1.Cleanthevalve/valvepartsforpossiblepackingmaterials.
2.Cleanthehandleortheactuator,ifsupplied.
HandleValveActuator
Remove Remove
Removepacking packing packingmaterials! materials! materials!
Step Step
Step5 5 5
Inspection! Inspection!
Inspection!
1.Inspectthevalve/valvepartsforvisibletransportdamage.
2.Inspectthehandleortheactuator,ifsupplied.
Caution! Caution!
Caution!
Avoiddamagingthevalve/valveparts.
Avoiddamagingthehandleortheactuator,ifsupplied.
HandleValveActuator
9

3Installation
Readtheinstructionscarefully.Thevalvehasweldingendsasstandardbutcanalsobesuppliedwithfittings(notLKB-F).
NC=Normallyclosed.
NO=Normallyopen.
A/A=Air/airactivated.
3.2Generalinstallation
Step Step
Step1 1 1
Alwas Alwas
Alwasreadthetechnicaldatathoroughl.
Seechapter6Technicaldata
Alwas Alwas
Alwasreleasecompressedairafteruse.
Never Never
Nevertouchthecouplingbetweenthevalvebodandtheactuatorifcompressedairissuppliedtotheactuator.
CAUTION CAUTION
CAUTION
AlfaLavalcannotbeheldresponsibleforincorrectinstallation.
Step Step
Step2 2 2
Avoidstressingthevalve.
Paspecialattentionto:
-Vibrations
-Thermalexpansionofthetubes
-Excessivewelding
-Overloadingofthepipelines
Riskofdamage!
Step Step
Step3 3 3
Fittings: Fittings:
Fittings:
Ensurethattheconnectionsaretight.
Remember Remember
Rememberseal seal sealrings! rings! rings!
Step Step
Step4 4 4
Position Position
Positionof of ofactuator: actuator: actuator:
Positionthewaterrejectorontheactuatorcorrectl.
(Theactuatorcanbeinstalledinanposition).
T T
Tur ur urn n nthe the theventilation ventilation ventilationopening opening openingdownwar downwar downwards! ds! ds!
Important! Important!
Important!
10

3Installation
Readtheinstructionscarefully.Thevalvehasweldingendsasstandardbutcanalsobesuppliedwithfittings(notLKB-F).
NC=Normallyclosed.
NO=Normallyopen.
A/A=Air/airactivated.
AirAirAir
Air Air
Airconnection connection connectionof of ofactuator: actuator: actuator:
Connectcompressedaircorrectl.
Pa Pa
Paspecial special specialattention attention attentionto to tothe the thewar war warnings! nings! nings!
R⅛”(BSP)
NCNOA/A
Pr Pr
Pre e e- - -use use usecheck: check: check:
Openandclosethevalveseveraltimestoensurethatthevalvedisc
movessmoothlagainstthesealring.
Pa Pa
Paspecial special specialattention attention attentionto to tothe the thewar war warnings! nings! nings!
Note Note
Note:
RemovaloftransportationbracketonA/Aactuators,pos.22+23(Section7.11)
11

3Installation
Readtheinstructionscarefully.Thevalveissuppliedasseparatepartstofacilitatewelding.
LKB:forISOtubes.
LKB-2:forDINtubes.
LKB-F:withflangeconnection.
3.3Welding
Step Step
Step1 1 1
LKB/LKB LKB/LKB
LKB/LKB- - -2 2 2
1.Weldthevalvebodhalvesintothepipelines.
2.Maintaintheminimumclearance(A)sothattheactuatorcanberemoved.
3.Ifweldingbothvalvebodhalves,ensurethatthecanbemovedaxiallB1 B1
B1mm mm mm,sothatthevalvepartscanberemoved.
4.Afterwelding,assemblethevalveaccordingtosteps1-5,chapter5.3Assemblofvalve-LKB/LKB-2/LKB-LP
LKB LKB
LKB- - -F F F
1.Weldtheflangesintothepipelines.
2.Maintaintheminimumclearances(AandB2)sothattheactuatorandthevalvepartscanberemoved.
3.Afterwelding,assemblethevalveaccordingtosteps1-5,chapter5.3Assemblofvalve-LKB/LKB-2/LKB-LP
Pr Pr
Pre e e- - -use use usecheck check check- - -LKB/LKB LKB/LKB LKB/LKB- - -2/LKB 2/LKB 2/LKB- - -F F F
Openandclosethevalveseveraltimestoensurethatthevalvediscmovessmoothlagainstthesealring.
Pa Pa
Paspecial special specialattention attention attentionto to tothe the thewar war warnings! nings! nings!
LKB LKB
LKBLKB LKB LKB- - -F F F
Caution! Caution!
Caution!
A A
A
(mm) (mm)
(mm)
Ø85 Ø85
Ø85Ø133 Ø133 Ø133
Size Size
Size
LKLA LKLA
LKLALKLA LKLA LKLA- - -T T TLKLA LKLA LKLALKLA LKLA LKLA- - -T T T
B B
B1 1
1(mm) (mm)
(mm)B B B2 2
2(mm) (mm)
(mm)
1”2452043
1½”2452043
2”2552047
2½”2652446
3”2652459
4”2904203759
DN252452043
DN322452043
DN402502043
DN502602047
DN652702459
DN802752759
DN1002904202759
DN1253154403063
DN250325
+172
(incl.topunit)
445
+172
(incl.topunit)
4179
12

3Installation
Readtheinstructionscarefullyandpayspecialattentiontothewarnings!
NC=Normallyclosed.
NO=Normallyopen.
A/A=Air/airactivated.
3.4Fittingactuator/bracket/handleonthevalve(optionalextras)
Step Step
Step1 1 1
Bracket/indication: Bracket/indication:
Bracket/indication:
1.Fitthebracketasshown.
2.Fitandtightenthescrews.
3.Fittheactivatingring/indicationpinasshown.
Screwforbracket
Bracket
DrainholeDirection
ofrotation
Activatingring/
indicationpin
Step Step
Step2 2 2
Actuator/bracket Actuator/bracket
Actuator/bracket- - -NC: NC: NC:
1.Ensurethatthevalveisclosedbcheckingthepositionofthe
grooveofthediscstemtop.
2.Fittheactuator/bracketinaccordancewithchapter5.3
Assemblofvalve-LKB/LKB-2/LKB-LP,Step4.
NCactuatorNo No
Nopr pr pressur essur essure! e! e!
Closed Closed
Closed
Step Step
Step3 3 3
Actuator/bracket Actuator/bracket
Actuator/bracket- - -NO: NO: NO:
1.Ensurethatthevalveisopenbcheckingthepositionofthe
grooveofthediscstemtop.
2.Fittheactuator/bracketinaccordancewithchapter5.3
Assemblofvalve-LKB/LKB-2/LKB-LP,Step4.
NOactuatorNo No
Nopr pr pressur essur essure! e! e!
Open Open
Open
Step Step
Step4 4 4
Actuator/bracket Actuator/bracket
Actuator/bracket- - -A/A: A/A: A/A:
1.Ensurethatthevalveisopenbcheckingthepositionofthe
grooveofthediscstemtop.
2.Supplcompressedairtotheactuator.
3.Fittheactuator/bracketinaccordancewithchapter5.3
Assemblofvalve-LKB/LKB-2/LKB-LP,Step4.
A/Aactuator
Air Air
Airpr pr pressur essur essure! e! e!Open Open
Open
13

3Installation
Step Step
Step5 5 5
Handle/indication: Handle/indication:
Handle/indication:
1.Fitthestandardhandleonthevalvesothatthescrewcanenter
theholeinthediscconnection.
2.Fitthehandlewithpositionindicationasshownand
inaccordancewithchapter5.3Assemblofvalve-
LKB/LKB-2/LKB-LP,Step3+Step4.
StandardhandleHandlewithposition
indication
Pr Pr
Pre e e- - -use use usecheck: check: check:
Openandclosethevalveseveraltimestoensurethatitoperatessmoothl.
Pa Pa
Paspecial special specialattention attention attentionto to tothe the thewar war warnings! nings! nings!
3.5Recyclinginformation
• •
•Unpacking Unpacking Unpacking
-Packingmaterialconsistsofwood,plastics,cardboardboxesandinsomecasesmetalstraps
-Woodandcardboardboxescanbereused,reccledorusedforenergrecover
-Plasticsshouldbereccledorburntatalicensedwasteincinerationplant
-Metalstrapsshouldbesentformaterialreccling
• •
•Maintenance Maintenance Maintenance
-Duringmaintenance,oilandwearpartsinthemachinearereplaced
-Allmetalpartsshouldbesentformaterialreccling
-Wornoutordefectiveelectronicpartsshouldbesenttoalicensedhandlerformaterialreccling
-Oilandallnon-metalwearpartsmustbedisposedofinaccordancewithlocalregulations
• •
•Scrapping Scrapping Scrapping
-Atendofuse,theequipmentmustbereccledaccordingtotherelevantlocalregulations.Besidetheequipmentitself,an
hazardousresiduesfromtheprocessliquidmustbeconsideredanddealtwithinapropermanner.Whenindoubt,orinthe
absenceoflocalregulations,pleasecontactourlocalAlfaLavalsalescompan
14

4Operation
Readtheinstructionscarefullyandpayspecialattentiontothewarnings!
Thevalveisautomaticallyormanuallyoperatedbymeansofanactuatororahandle.
4.1Operation
Step Step
Step1 1 1
Alwas Alwas
Alwasreadthetechnicaldatathoroughl.
Seechapter6Technicaldata
CAUTION CAUTION
CAUTION
AlfaLavalcannotbeheldresponsibleforincorrectoperation.
Step Step
Step2 2 2
Never Never
Nevertouchthevalveorthepipelineswhenprocessinghotliquids
orwhensterilising.Dangerofburns!
Step Step
Step3 3 3
Never Never
Nevertouchthecouplingbetweenthevalvebodandtheactuator
ifcompressedairissuppliedtotheactuator.
Air
Rotatingparts
Step Step
Step4 4 4
Operation Operation
Operationb b bmeans means meansof of ofactuator: actuator: actuator:
Automaticon/offoperationbmeansofcompressedair.
Air
Rotatingparts
Step Step
Step5 5 5
Operationbmeansofstandardhandle:
1.Manualon/offoperation.
2.Pullthehandleoutwardswhilerotatingit.
NOTE! NOTE!
NOTE!
ThisalsoappliesfortheLockableMultipositionHandle.
Closedvalve
OpenvalveOpenvalve
Closedvalve
15

4Operation
ayattentiontopossiblebreakdown.
Readtheinstructionscarefully.
LKB-F:Withflangeconnection.
NC=Normallyclosed.NO=Normallyopen.A/A=Air/airactivated.
Step Step
Step6 6 6
Operation Operation
Operationb b bmeans means meansof of ofr r regulating egulating egulatinghandle: handle: handle:
1.Manualflowregulationbecauseofinfinitelockingpositions.
2.Loosenthehandle,rotateitandtightenagain.
Closedvalve
OpenvalveOpenvalve
Closedvalve
4.2Troubleshooting
Step Step
Step1 1 1
NOTE! NOTE!
NOTE!
Readthemaintenanceinstructionscarefullbeforereplacingwornparts.-Seechapter5.1Generalmaintenance
Pr Pr
Problem oblem oblemCause/r Cause/r
Cause/result esult esultRepair Repair
Repair
-Externalleakage
-Internalleakagebclosedvalve
(normalwear)
-Wornsealring
-Wornflangesealring(LKB-F)Replacethesealringandthebushes
-Externalleakage
-Internalleakagebclosedvalve(too
earl)
-Highpressure
-Hightemperature
-Aggressiveliquids
-Manactivations
-Changerubbergrade
-Changetheoperatingconditions
-Difficulttoopen/close
-Damagetodiscconnection(high
torque)
Incorrectsealring(swelling)Replacebasealringofadifferentrubber
grade
Difficulttoopen/close-90°displacementoftheactuator
-Incorrectactuatorfunction(NC,NO)
-Wornactuatorbearings
-Dirtpenetrationintotheactuator
-Fitcorrectl(seechapter3.4Fitting
actuator/bracket/handleonthevalve
(optionalextras))
-ChangefromNCtoNOorviceversa
-Replacethebearings
-Servicetheactuator
16

4Operation
ThevalveisdesignedforCleaningInlace(=CI).
Readtheinstructionscarefullyandpayspecialattentiontothewarnings!
NaOH=CausticSoda.
HNO3=Nitricacid.
4.3Recommendedcleaning
Step Step
Step1 1 1
Alwas Alwas
Alwashandleleandacidwithgreatcare.
Caustic Caustic
Causticdanger! danger! danger!
Alwas Alwas
Alwasuse
rubbergloves!
Alwas Alwas
Alwasuse
protectivegoggles!
Step Step
Step2 2 2
Never Never
Nevertouchthevalveorthepipelineswhensterilising.
Danger Danger
Dangerof of ofbur bur burns! ns! ns!
Step Step
Step3 3 3
Examples Examples
Examplesof of ofcleaning cleaning cleaningagents: agents: agents:
Usecleanwater,freefromchlorides.
1.1%bweightNaOHat70oC(158oF)2.0.5%bweightHNO3at70oC(158oF)
1kg(2.2lbs)
NaOH+100l(26.4gal) water=Cleaningagent.0.7l(0.2gal)
53%HNO3+100l(26.4gal) water=Cleaningagent.
2.2l(0.6gal)
33%NaOH+100l(26.4gal) water=Cleaningagent.
Step Step
Step4 4 4
1.Avoidexcessiveconcentrationofthecleaningagent.
⇒Dosegraduall
2.Adjustthecleaningflowtotheprocess.
⇒Sterilisationofmilk/viscousliquids
⇒Increasethecleaningflow
3.Alwas Alwas
Alwasrinsewellwithcleanwaterafterthecleaning.
Alwas Alwas
Alwasrinse! rinse! rinse!
CleanwaterCleaningagents
Step Step
Step5 5 5
NOTE NOTE
NOTE
Thecleaningagentsmustbestored/disposedofinaccordancewithcurrentregulations/directives.
17

5Maintenance
Maintainthevalveandtheregulatorcarefully.Readtheinstructionscarefullyandpayspecialattentiontothewarnings!
Alwayskeepsparesealrings,rubberseals,bushesandactuatorbearingsinstock.AlwaysuseAlfaLavalgenuinespareparts.
”Mushrooms”=fasteningconnectionsontheendcap.
5.1Generalmaintenance
Step Step
Step1 1 1
Alwas Alwas
Alwasreadthetechnicaldatathoroughl.
Seesection6Technicaldata
Alwas Alwas
Alwasreleasecompressedairafteruse.
NOTE NOTE
NOTE
Allscrapmustbestored/disposedofinaccordancewithcurrentregulations/directives.
Step Step
Step2 2 2
Never Never
Neverservicethevalvewhenitishot.
Never Never
Neverservicethevalvewithvalveandpipelinesunderpressure.
Atmospheric Atmospheric
Atmospheric
pr pr
pressur essur essure e e
r r
requir equir equired! ed! ed!
Danger Danger
Dangerof of ofbur bur burns! ns! ns!
Step Step
Step3 3 3
Never Never
Neverstickourfingersthroughthevalveportsiftheactuatoris
suppliedwithcompressedair.
Air
Cutting Cutting
Cuttingdanger! danger! danger!
Step Step
Step4 4 4
Never Never
Nevertouchthecouplingbetweenthevalvebodandtheactuator
ifcompressedairissuppliedtotheactuator.
Air
Rotatingparts
Step Step
Step5 5 5
Actuator Actuator
Actuatorsize size sizeø85 ø85 ø85mm mm mm(NC/NO): (NC/NO): (NC/NO):
Theactuatorspringsarenot not
notcaged.
Springs
Caution! Caution!
Caution!
18

5Maintenance
Maintainthevalveandtheregulatorcarefully.Readtheinstructionscarefullyandpayspecialattentiontothewarnings!
Alwayskeepsparesealrings,rubberseals,bushesandactuatorbearingsinstock.AlwaysuseAlfaLavalgenuinespareparts.
”Mushrooms”=fasteningconnectionsontheendcap.
Step Step
Step6 6 6
End End
Endcap cap capof of ofactuator: actuator: actuator:
-Never Never
Neverremovetheendcapbusingcompressedair.
-Alwas Alwas
Alwasfittheendcapwiththe“mushrooms”turnedoutwards
andpositionitcorrectlbeforesupplingcompressedairto
theactuator.
Caution! Caution!
Caution!
Endcap“Mushrooms”
Recommended Recommended
Recommendedspar spar spare e eparts: parts: parts:Service Service Servicekits kits kits(see (see (seechapter chapter chapter7 7 7Parts Parts Partslist list listand and andservice service servicekits kits kits). ). ).
Orderservicekitsfromtheservicekitslist(seechapter7Partslistandservicekits)
Or Or
Ordering dering deringspar spar spare e eparts parts parts
ContacttheSalesDepartment.
V V
Valve alve alveseal seal sealrings rings ringsV V
Valve alve alvebushes bushes bushesActuator Actuator Actuatorrubber rubber rubberseals seals sealsActuator Actuator
Actuatorbearings bearings bearings
PreventivemaintenanceReplace Replace
Replaceafter after after12 12 12
months months
months
Replacewhenreplacing
thevalvesealrings
Replace Replace
Replaceafter after after5 5 5ears ears ears
Maintenanceafter
leakage(leakage
normallstartsslowl)
Replace Replace
Replaceb b bthe the theend end endof of of
the the
theda da da
Replacewhenreplacing
thevalvesealrings
Replace Replace
Replacewhen when whenpossible possible possible
Plannedmaintenance-Regularinspection
forleakageand
smoothoperation
-Keeparecordofthe
valve
-Usethestatisticsfor
inspectionplanning
Replacewhenreplacing
thevalvesealrings
-Regularinspection
forleakageand
smoothoperation
-Keeparecordofthe
actuator
-Usethestatistics
forplanningof
inspections
Replacewhenthe
becomeworn
Replace Replace
Replaceafter after afterleakage leakage leakageReplace Replace Replaceafter after afterair air air
leakage leakage
leakage
LubricationBefor Befor
Before e efitting fitting fitting
(useUSDA-H1
approved)
-UnisilconL641(*)
-Paraliq(*)GTE703
-Molcote111(D)
NoneBefor Befor
Before e efitting fitting fitting
-MolcoteLongterm2
Plus(Δ)
-Molcote1132(Δ)(for
aggressiveenvironment)
When When
Whenr r replacing eplacing eplacing
actuator actuator
actuatorrubber rubber rubberseals seals seals
-MolcoteLongterm
2Plus(Δ)
-Molcote1132
(Δ)(foraggressive
environment)
19

5Maintenance
Readtheinstructionscarefully.Theitemsrefertothepartslistandservicekitssection.
Handlescrapcorrectly.
LKB:forISOtubes.
LKB-2:forDINtubes.
5.2Dismantlingofvalve-LKB/LKB-2/LKB-LP
Step Step
Step1 1 1
V V
Valve alve alvewith with withactuator: actuator: actuator:
1.Removescrewsandnuts(6).
2.Removethebracketwiththeactuator.
Step Step
Step2 2 2
V V
Valve alve alvewith with withhandle: handle: handle:
1.Removethecompletehandle.
2.Removescrewsandnuts(6).
Step Step
Step3 3 3
Removesealring(5)togetherwithvalvedisc(2).
Step Step
Step4 4 4
Removebushes(3,4)fromthediscstems.
Step Step
Step5 5 5
Removevalvedisc(2)fromsealring(5).
NOTE! NOTE!
NOTE!
Forvalvesizes25-38mmandDN25-40,itisrecommendedto
removethevalvediscbusingaspecialservicetool(itemno.
9611981090).
20