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User informationEWE-FLEXORIPP Water Meter PitEdition 01/2017
1Current information at: www.ewe-armaturen.de
Verpackung• DieeinzelnenArmaturensindentsprechenddenzuerwartendenTransportbedingun-genverpackt.FürdieVerpackungwurdenumweltfreundlicheMaterialienverwendet.DieVerpackungsolldieeinzelnenBauteilebiszurMontagevorTransportschäden,KorrosionundanderenBeschädigungenschützen.EntfernenSiedieVerpackungerstkurzvorderMontagederArmatur.
Entsorgung• TrennenSiedievorhandenenRohstoffenachEntsorgungstypundWerkstoff.DieEnt-sorgungderRohstoffemussnachdenjeweilsgültigengesetzlichenBestimmungenundörtlichenVorschriftenerfolgen.FührenSiewiederverwertbareVerpackungsma-terialiendemRecyclingzu.
Verwendung von Abkürzungen:WZ: Wasserzähler Qn: NenngrößeWasserzählerArt.: Artikelnummer PN: NenndruckKMR: Kegelmembran-Rückflussverhinderer WZA: Wasserzähler-Anlage
…thoroughly tried and tested!
EWE-FLEXORIPPWater Meter Pit
Installation and Operating Instructions
www.ewe-armaturen.de
User informationEWE-FLEXORIPP Water Meter Pit
Edition 01/2017
2 Current information at: www.ewe-armaturen.de
General information• Pleasereadthisuserinformationcarefullybeforeusingtheproductandpayparticularattentiontotheinstructionsandwarnings.
• Thecurrentversionoftheseinstallationandoperatinginstructionscanbefoundonourwebsite:www.ewe-armaturen.de.
• Checkthedeliveryfortransportdamageandtomakesureitiscompleteimmedia-telyafterreceivingit.
• Keeptheuserinformationavailableshouldanyquestionsoccur.• Onlytrainedandqualifiedpersonnelarepermittedtoinstall,operateormaintainthefittingsandvalves.
• Ourteamishappytoprovideyouwithmoreinformationbytelephoneduringbusinesshours.
Manufacturer‘s addressWilhelm EWE GmbH & Co. KGVolkmaroderStraße19D-38104BraunschweigPhone:+4953137005-0Fax:+4953137005-55E-mail:info@ewe-armaturen.de
General safety instructions CAUTION• Thenecessaryactivitiesmustbecarriedoutinaccordancewiththestatutoryregulations,accidentpreventionregulationsandapplicablestandardsincludingtherecognisedrulesofengineering.
• Technicalandunauthorisedmodificationstotheproductarenotpermitted.Theproductmayonlybeusedforitsintendedpurpose.
Disclaimer•Weareunabletomonitoradherencetothisuserinformationandalsohandlingdu-ringtheinstallation,operationandmaintenanceofthefitting.Improperinstallationoftheproductcancausepropertydamageandconsequentlyendangerpeople.
•Wedonotacceptresponsibilityandliabilityforanylosses,damageorcostsduetoincorrectinstallation,improperoperationandincorrectuseandmaintenanceorinanymannerassociatedtherewith.
• Ourgeneraltermsandconditionsofsaleapply.
User informationEWE-FLEXORIPP Water Meter PitEdition 01/2017
3Current information at: www.ewe-armaturen.de
Packaging• Theindividualfittingsandvalvesarepackedinaccordancewiththeanticipatedtransportconditions.Onlyenvironmentallyfriendlymaterialshavebeenusedforthepackaging.Thepackagingshouldprotecttheindividualcomponentsfromtransportdamage,corrosionandotherdamageuntiltheyareinstalled.Removethepackagingjustbeforethefittingisinstalled.
Disposal• Separatetheexistingrawmaterialsaccordingtodisposaltypeandmaterial.Rawmaterialsmustbedisposedofinaccordancewiththeapplicablestatutoryprovisionsandlocalregulations.Sendrecyclablepackagingmaterialsforrecycling.
Explanation of the symbols, warning symbols and signal words used
Symbol Description
Generaldangerarea(danger/warning/caution)
DANGER:Hazardwithahighdegreeofriskwhich,ifnotavoided,willresultindeathorseriousinjury.
WARNING: Hazardwithanaveragedegreeofriskwhich,ifnotavoided,mayresultindeathorseriousinjury.
CAUTION:Hazardwithalowdegreeofriskwhich,ifnotavoided,mayresultinminorormoderateinjury.
! NOTE:Indicatesaninstructionthatmustbeobserved.
! INFORMATION: Providesusefulrecommendations.
Use of abbreviations:WM: Watermeter Q3: PermanentflowWMP: Watermeterpit PN: NominalpressureWMS: Watermetersystem Art.: ArticlenumberKMR: Ballmembranenon-returnflowvalve CAC: CombinedangleseatcheckvalvePC: Pipecover PA: PolyamideGG: Lamellargraphitecastiron EPP: ExpandedpolypropylenePR: Pressureregulator
User informationEWE-FLEXORIPP Water Meter Pit
Edition 01/2017
4 Current information at: www.ewe-armaturen.de
1. Information about the product1.1 Scope Thisuserinformationappliesto– EWE-FLEXORIPPwatermeterpits,articlenumber:0396XXX,consistingofa:• Pitbody,watermetersystemwithflexiblehosesandliftingdevice,pitductsandinsulatingcover.Pitcoversmustbeorderedseparately.
– EWE-FLEXORIPP-pitcovers(notsuppliedwiththepit!):• FLEXORIPPcovercap,max.200KG,articlenumber0396000
• FLEXORIPPA15pitcover,consistingofacoverframewithcoverseal,coverandlockingscrews,articlenumber0396001
• FLEXORIPPB125pitcover,consistingofacoverframewithcoverseal,coverandlockingscrews,articlenumber0396002
1.2 Other applicable documents• Theoperatinginstructionsoftherespectivecontractingbodyorcontractingcompanymustbefollowed
• DVGW(GermanTechnicalandScientificAssociationforGasandWater)andstatutoryaccidentinsuranceinstitutionregulations
In particular:• DINEN124,”Gullytopsandmanholetopsforvehicularandpedestrianareas”• DINEN805,”Watersupply-Requirementsforsystemsandcomponentsoutsidebuildings”• DINEN806,”Specificationforinstallationsinsidebuildingsconveyingwaterforhumanconsumption”
• DIN1988,”Codesofpracticefordrinkingwaterinstallations”,nationalsupplementtoDINEN806
• DINEN1717”Protectionagainstpollutionofpotablewaterinstallationsandgeneralrequirementsofdevicestopreventpollutionbybackflow”
• DIN4124”Excavationsandtrenches-Slopes,plankingandstruttingbreadthsofworkingspaces”
User informationEWE-FLEXORIPP Water Meter PitEdition 01/2017
5Current information at: www.ewe-armaturen.de
• DIN18196”Earthworksandfoundations-Soilclassificationforcivilengineeringpurposes”• KTW(plasticsindrinkingwater)andelastomerguidelinesissuedbytheFederalEnviron-mentAgency
• Listof”Metallicmaterialssuitableforcontactwithdrinkingwater”issuedbytheFederalEnvironmentAgency
• DVGWworksheetW270”Propagationofmicroorganismsonmaterialsusedindrinkingwatersystems”
• DVGWworksheetW400”Technicalrulesforwaterdistributionplants”• DVGWworksheetW543”Pressure-resistanthosepipesandcompensators”• DVGWworksheetW570”Valvesfordrinkingwaterinstallation”• RSA95”Guidelinesforsafeguardingworksitesonroads”
1.3 Areas of use/medium• ColddrinkingwaterinaccordancewithDIN2000
1.4 Permissible operating pressure of components (PFA)• PN10
1.5 Material/dimensions/performance1.5.1 Pit bodyMaterial:• PitbodymadeofwaterproofPE
Dimensions:• Pipecover Heightwithoutpitcover Heightwithpitcover0.75m 0.80m 0.87m1.00m 1.05m 1.12m1.25m 1.30m 1.37m1.50m 1.55m 1.62m1.75m 1.80m 1.87m2.00m 2.05m 2.12m
• Pipecovercanbeshortenedin2.5cmsections• Largestexternaldiameter:650mm• Pitopening/470mminternaldiameter• Externaldiameterofcoverframe:548mm
Connections:• FemalethreadatbothendsVersionforQ34(Qn2.5,3/7) =T1"VersionforQ310(Qn6) =T11/4"
1.5.2 Insulating coverMaterial:•Nonload-bearinginsulatingcovermadeofEPP
Dimensions:• 485mmexternaldiameter
User informationEWE-FLEXORIPP Water Meter Pit
Edition 01/2017
6 Current information at: www.ewe-armaturen.de
Drawing:DimensionsofEWE-FLEXORIPPwatermeterpit
ExternalØwithA15/B125pitcoverinstalled
Heightwithframe
LargestexternalØ
Pipecover
ExternalØwithoutpit
InternalØ
Heightwithoutfram
e
Seetableonpage5fordetailedinformationaboutthesedimensions!
User informationEWE-FLEXORIPP Water Meter PitEdition 01/2017
7Current information at: www.ewe-armaturen.de
1.5.3 Water meter systems and hosesMaterials:• BracketmadeofA2stainlesssteel•Watermeterscrewfittingsmadeoflead-freesiliconbrassinaccordancewiththelistof“Metallicmaterialssuitableforcontactwithdrinkingwater”.
• PlasticsandelastomersinaccordancewiththeKTWandelastomerguidelinesissuedbytheFederalEnvironmentAgencyandtheDVGWworksheetW270.
• Valvesmadeoflead-freesiliconbrassinaccordancewiththelistof“Metallicmateri-alssuitableforcontactwithdrinkingwater”.
• HosesmadeofsiliconewithbraidingmadeofA2stainlesssteelandfabriccoveringmadeofthermoplasticmaterial
• PressureregulatormadeofstainlesssteelVersions:• Ballvalve-ballvalve • Ballvalve-pressureregulator-ballvalve
• Ballvalve-CAC-valve • Ballvalve-pressureregulator-CAC-valve
• Ballvalve-BMN-ballvalve
• Angleseatvalve-angleseatvalve • Angleseatvalve-PR-angleseatvalve
• Angleseatvalve-CAC-valve • Angleseatvalve-PR-CAC-valve
• Angleseatvalve-BMN-angleseatvalve
User informationEWE-FLEXORIPP Water Meter Pit
Edition 01/2017
8 Current information at: www.ewe-armaturen.de
Water meter system variants – water meter dimensions:
WatermeterdimensionsThreadT(d3)×Lengthmm(l2)
MID(MeasurementInstrumentDirective)Q3[m³/h]
EECQn[m³/h]
3/4" ×165* 2.5 1.53/4" ×165* 2.5 1.51" ×190 2.5or4 2.51" ×190 2.5or4 2.51" ×190 2.5or4 2.511 " ×175 4or10 3/711 " ×175 4or10 3/711 " ×175 4or10 3/711 " ×260 6.3or10 611 " ×260 6.3or10 6
*Adapterset(articlenumber3903075)isrequired!
1.6 Transport and storage• TheFLEXORIPPwatermeterpitshouldbetransportedandstoredverticallyinitsoriginalpackaginguntilitisused.
1.7 Functional descriptionFLEXORIPPwatermeterpitsareintendedforinstallationinpipetrenches.Theycanbeusedinmanyways,suchasadomesticconnection,constructionsitewaterconnection,inparkareasorallotments,oncampingsitesorincemeteries.Thewatermeterpitiseasytoinstallinapipetrenchwithoutextensiveearthworksbecauseofitssmallsize.Thewatermeterpitisimpermeabletosurfacewater,hygieni-callycleanandenablesthefrost-freeoperationofthewatermetersystemandwatermeter.Itisnotnecessaryorpossibletoenterthewatermeterpit.Therelevantaccidentpreventionregulationsforenteringpitsarethereforenotapplicable.
2. Installation instructions (installation/assembly)2.1 Information about the preparations
CAUTION
Checkthewatermeterpitandwatermeterpitsystemfordamageorcontaminationbeforeuse.Adamagedpitordamagedfittingmustnotbeused.
Thepipeshouldbeflushedbeforeinstallingthewatermeterinthewatermetersystem;anadaptershouldbeusedforthispurpose.
User informationEWE-FLEXORIPP Water Meter PitEdition 01/2017
9Current information at: www.ewe-armaturen.de
! ThewatermeterpitsystemisfactoryfittedwithaPEadapter.ThePEadapterisonlyusedasasubstituteforthewatermeterandisnotsuitableforoperation.
2.2 Information about the installation site
! Thewatermeterpitshouldbelocatedatanelevatedpositiononthesiteorprotrudeafewcentimetresabovegroundlevelifpossible.Thechoiceofpitsizeshouldbecompatiblewiththefrost-freeinstallationdepth
ofthepipeandisthesoleresponsibilityoftheuser.Thewatermeterpitdemonstratesfavourablebehaviouragainstbuoyancybecauseofitsexternalshape.Anessentialrequirementisthatitisinstalledproperlywithgravelbackfillandcompactioninlayers.Thepitbodyhasawaterproofdesignandtheconnectiontothecoverisimpermeabletosurfacewater.Asoilengineeringspecialistshouldbeconsultedinareaswherethereisariskoftemporaryflooding.
! Shouldtherebeflat-lyingsupplypipes(so-calledsummerpipes)downstreamofthewatermeterpit,whichhavetobeemptiedbeforethestartofthefrostseason,werecommendinstallingaspecialfittinginthepiperoutingbetweenthe
pitexitandthetappingpoint,e.g.anEWEgardenvalveincombinationwithaninstallationset.AnEWEgardenhydrantprovidesthesameconvenienceinthecaseofanoutdoortappingpoint.
! Theemptyingofthedownstreamsupplypipeinthepitbodyrequiresspecialcarefromahygienicpointofview.Thewaterfromthepipemustbepumpedawayimmediatelyduringtheemptyingphaseandthenthedrainopeningmust
beclosedtopreventanypossiblecontaminationinthepipenetwork.
2.3 Excavation and backfillingThewatermeterpitisdeliveredreadyforinstallationandcanbeusedinpreparedditches.Theworkrequiredistheresponsibilityoftheuser.Thedistancestootherundergroundinstallations,suchasbuildings,pipes,cables,mustbeobservedinaccordancewiththeDVGWworksheetW400.TherequirementsofDIN4124mustbeobserved.Possibleearthmovementsasaresultofsubsidence,settlementorsoilpressure,e.g.causedbyslopingsites,mustbetakenintoconsideration.Non-cohesivesoilwithagrainsizeofmax.16mmmustbeusedforthefoundations,beddingandbackfilling.SandSE,SWorSIandgravelGE,GW,GIhaveprovenasuccessinaccordancewithsoilclassificationF1accordingtoDIN18196,whichalsomeettherequirementsforthecompactionclassesandfrostprotection.Thepitmustbefixedinplaceassoonaspossiblebybackfillingthetrench.Otherappropriatemeasuresmustbetakentosecureitagainstfloatingwhilethetrenchisnotcompletelybackfilledtogroundlevel.
User informationEWE-FLEXORIPP Water Meter Pit
Edition 01/2017
10 Current information at: www.ewe-armaturen.de
2.4 Installation• Leveloutandcompactthebottomofthetrenchevenlythroughout.
• Positionthepitsothatitisverticalandlevel.
• ArrangeforthefoundationsforthefootprintofthepittobeduginaccordancewithloadclassA15orB125.
• Arrow-Observetheflowdirectionwhenaligningthepit.
• Flushthepipebeforeestablishingtheconnections.
• Establishconnectionsbetweentheconnectionsleevesofthepitandthepipe.
• Observetheguidelinesoftheconnectionfittingsmanufacturer.
! Performaleaktestin accordancewiththeregulations.
• Backfillthetrenchintheareaofthewatermeterpit.
• Supporttheconnectionpipes(inletandoutletside)beforethecompac-ting.
• Backfillthesoilinlayersofmax.30cmandcompactto97%DPr.
• Avoidone-sidedstresswhenbackfil-lingandcompacting.
3.
4.
1.
2.
User informationEWE-FLEXORIPP Water Meter PitEdition 01/2017
11Current information at: www.ewe-armaturen.de
CAUTION
Thepitmaynotbeoperatedwithoutapitcoverinaccordancewithsection5.Theinsulatingcoverisnonload-bearing.Theinstallationsiteandpitopeningmustbesecuredagainstunintentional
accessduringtheinstallationperiod.
5. • Installthewatermeterinaccordancewithsection4“Maintenanceandservicing”.
• Installthepitcoverinaccordancewithsection5“Pitcovers”.6.
User informationEWE-FLEXORIPP Water Meter Pit
Edition 01/2017
12 Current information at: www.ewe-armaturen.de
2.5 Shortening the pit pipeThecylindrical,rib-shapedpartofthepitcanbeshortenedin2.5cmsections.Atleast3ribsneedtoremaintomountthecoverframeanditsseal.Frostprotectionthroughtheplannedinstallationdepthmustbetakenintoconsideration.
! Ifshortenedbymorethan20cm,thelengthoftheliftinglinemustbereducedorthelattermustbereplaced.
3. • Removethecoverframeseal(ifapplicable).
4.
2. • Loosenandalsoremovethecoverframe(ifapplicable).
1. • Removethecoverifoneisfitted.
• Removetheinsulatingcover.
User informationEWE-FLEXORIPP Water Meter PitEdition 01/2017
13Current information at: www.ewe-armaturen.de
3. Operation and useAvisualinspectionofthewatermeterpit,thewatermeterpitfittingsandtheentiresystemmustbemadepriortoputtingitintooperation.
3.1 Functional check and leak test
! Theentiresystemmustbecheckedtoensurethatitisworkingandhasnoleaks.
• Thepitpipecanbeshortenedinsectionsof2.5cmatthedeepestpointoftheribusingasuitabletool(e.g.EWE-FLEXORIPPcutter).
• Aminimumofthreeribsmustremain.
• Deburrthecutedge.• Deburrthefirstribatitsdeepestpoint.
• Installthepitcoverinaccordancewithsection5“Pitcovers”.
7.
8.
6. •Whenusingthecovercap,makesurethatthepittogetherwiththecapprot-rudeapprox.7cmabovetheground.
• WhenusingtheA15/B125pitcover,additsheightof7cmfromthefirstrib.
5. • Takethemeasurementtothesurface.
User informationEWE-FLEXORIPP Water Meter Pit
Edition 01/2017
14 Current information at: www.ewe-armaturen.de
3.2 Pit security
CAUTION
Thepitmustnotbeoperatedwithoutapitcoverinaccordancewithsection5.Theinsulatingcoverisnonload-bearing.Theinstallationsiteandpitopeningmustbesecuredagainstunintentional
accessduringtheinstallationperiodandduringoperationofthepit.A15/B125pitcoversmustbelockedwiththeenclosedscrews.
3.3 Frost protection
! Theinsulatingcoverfastenedtotheliftinglinemustbeused.Frostprotectionmustbeensuredthroughthelocalinstallation,inparticularbytherightchoiceofinstallationdepth.
Itisthereforethesoleresponsibilityoftheplanningandcontractingbodytoensurethefrost-freeconditionsinthepipeandpit.
4. Maintenance and servicing
! The(ball)shut-offvalvesinthewatermetersystemsaregenerallydefinedasmaintenancefittings;theyshouldthereforebeactuatedslowlyinthecaseofmaintenance(duringopeningandclosing)whenthetappingdevicesareclosed.
Thefittingsmustbeopenedasfarastheywillgo,i.e.bysettingthemtothefullyopenposition.Itisnotpermittedtorestrictthem.
! Itisrecommendedthattheshut-offvalvesonthewatermetersystemarenormallyactuatedatleastonceayeartoensurethattheyworkandmovefreely.
Asageneralrule,anannualfunctionalcheckshouldbeperformedonthenon-returnflowvalve.Itisnotnecessaryforplug-innon-returnflowvalvestobeinspectedannual-ly.Thesefittingsmustbechangedwiththeregularreplacementofthewatermeter,butwithin10yearsatthelatest(EN806).Thenon-returnflowvalvesarewearparts.Afunctionalcheckcanbecarriedoutonmodelswithacontrolscrewthatarealreadyinstalled.Todothis,theinflowmustbeshutoffandthecontrolscrewopenedwithduecaution.Onlytheremainingwaterbetweentheinflowandhousingmustescape.Mediumfromotherinstallationsmustbeheldbackbythenon-returnflowvalve.Thenon-returnflowvalvemustberepairedifthisisnotthecase.
CAUTION
Thepipesystemmustbeshutoffanddepressurisedbeforestartingtherepairwork.Furthermore,thepipesystemmustbesecuredagainstinadvertentuseagain.
User informationEWE-FLEXORIPP Water Meter PitEdition 01/2017
15Current information at: www.ewe-armaturen.de
• Removethecoverandinsulatingcover.
• Pulloutthewatermeterpitsystemwiththeaidoftheliftingline.
1.
• Placethewatermeterpitsystemnexttothepitopening.2.
• Lowerthewatermeterpitsystemslowlyontheliftingline.
3.
4.
Meter reading and meter replacement
5. • Closetheinsulatingcover.• Fitthepitcover.
• Alternatively,thepitsystemcanbefixedwiththeplinthonthepitframe.
• Installandreplacethemetertakingaccountoftheinstallationinstructionsofthewatermetermanufacturer.
User informationEWE-FLEXORIPP Water Meter Pit
Edition 01/2017
16 Current information at: www.ewe-armaturen.de
5. Pit covers• FLEXORIPPcovercap-200kg
• FLEXORIPPA15pitcover,EN124
• FLEXORIPPB125pitcover,EN124
Material/dimensions/performanceMaterial:• Covercapmadeoflamellargraphitecastiron• A15/B125pitcoverswithcoverframemadeoflamellargraphitecastironwithintegratedcoversealingringmadeofNBR.Screwsmadeofstainlesssteel.
Dimensions:• 535mmexternaldiameterofcovercap• 548mmexternaldiameterofcoverframefortheA15/B125cover
DescriptionTheloadofthepitisrestrictedaccordinglydependingonthepitcoverselected.Thecovercapisonlysuitableforload-freeinstallationsituations(frontgardens,smallgardens).TheA15pitframeissuitableandcertifiedfortrafficareasusedbypedestriansandcyclistsinaccordancewithDINEN124ClassA15,Group1.TheB125pitframeissuitableandcertifiedfortrafficareasusedbypedestriansorinpedestrianzonesandsimilarareas,carparkinglotsordecksinaccordancewithClassB125,Group2.
User informationEWE-FLEXORIPP Water Meter PitEdition 01/2017
17Current information at: www.ewe-armaturen.de
• Cleanthedeepestpointofthetoprib,removeburrifnecessary.
• Placethesealingringinthedeepestpointofthetoprib.
! Thetopribisusedtosupportthecoverframeandmustnot
bedamaged!
! Thedeepestpointofthetopribisasealingfaceandmustnotbe
damagedorcontaminated!
1.
2.
3.
• Placethecoverframeonthetopribofthepitbody.Theresistanceofthesealingringmustbeovercome.
• Checkthatitisfittedcorrectly.Thecoverframemustrestontherib.
• Closethecoverinaccordancewithsection5.2.1.
• Embedthecoverframeinthetoplayer/surface.
5.1 Installation instructions for cover cap
5.2 Installation instructions for A15/B125 pit coversThepitcoverscanbefittedflushwiththesurface;countersinkingshouldbeavoided.
• Thecovercapmustbeinstalledapprox.7cmabovegroundlevel.
• Thecovercapcanonlybeliftedfromtheedgeofthecover.
• Precipitationoranysurfacewaterthatoccursmustbedrainedbecauseoftheelevatedinstallationsituation.
User informationEWE-FLEXORIPP Water Meter Pit
Edition 01/2017
18 Current information at: www.ewe-armaturen.de
5.2.1 Operation of the A15/B125 pit coverOpening the cover
1. • Removethesealingplugs.
3. • Removethepitcoverviatherecesseswithasuitableliftingtool.
• UnscrewthehexagonheadscrewsSW15.2.
User informationEWE-FLEXORIPP Water Meter PitEdition 01/2017
19Current information at: www.ewe-armaturen.de
Closing the cover
• Cleanthesealinthecoverframe.• Checkthethreadedscrewholesfordirtandcleanifnecessary.
1. • Inserttheinsulatingcover.
2.
• Insertthecoverinthecoverframewiththeaidofthepositioninglugs.3.
• Tightenthescrewsalternately.• Recommendedtorque:35-45Nm.4.
• Insertthesealingplugsinbothopenings.
• Checkthattheyarelockedfirmlybyliftingthecover.
5.
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