EWE EWE-FLEXORIPP User manual

User information
EWE-FLEXORIPP Water Meter Pit
Edition 01/2017
1
Current information at: www.ewe-armaturen.de
Verpackung
•DieeinzelnenArmaturensindentsprechenddenzuerwartendenTransportbedingun-
genverpackt.FürdieVerpackungwurdenumweltfreundlicheMaterialienverwendet.
DieVerpackungsolldieeinzelnenBauteilebiszurMontagevorTransportschäden,
KorrosionundanderenBeschädigungenschützen.EntfernenSiedieVerpackungerst
kurzvorderMontagederArmatur.
Entsorgung
•TrennenSiedievorhandenenRohstoffenachEntsorgungstypundWerkstoff.DieEnt-
sorgungderRohstoffemussnachdenjeweilsgültigengesetzlichenBestimmungen
undörtlichenVorschriftenerfolgen.FührenSiewiederverwertbareVerpackungsma-
terialiendemRecyclingzu.
Verwendung von Abkürzungen:
WZ: Wasserzähler Qn: NenngrößeWasserzähler
Art.: Artikelnummer PN: Nenndruck
KMR: Kegelmembran-Rückussverhinderer WZA: Wasserzähler-Anlage
…thoroughly tried and tested!
EWE-FLEXORIPP
Water Meter Pit
Installation and Operating Instructions
www.ewe-armaturen.de

User information
EWE-FLEXORIPP Water Meter Pit
Edition 01/2017
2Current information at: www.ewe-armaturen.de
General information
•Pleasereadthisuserinformationcarefullybeforeusingtheproductandpay
particularattentiontotheinstructionsandwarnings.
•Thecurrentversionoftheseinstallationandoperatinginstructionscanbefoundon
ourwebsite:www.ewe-armaturen.de.
•Checkthedeliveryfortransportdamageandtomakesureitiscompleteimmedia-
telyafterreceivingit.
•Keeptheuserinformationavailableshouldanyquestionsoccur.
•Onlytrainedandqualiedpersonnelarepermittedtoinstall,operateormaintain
thettingsandvalves.
•Ourteamishappytoprovideyouwithmoreinformationbytelephoneduring
businesshours.
Manufacturer‘s address
Wilhelm EWE GmbH & Co. KG
VolkmaroderStraße19
D-38104Braunschweig
Phone:+4953137005-0
Fax:+4953137005-55
E-mail:[email protected]
General safety instructions CAUTION
•Thenecessaryactivitiesmustbecarriedoutinaccordancewiththestatutory
regulations,accidentpreventionregulationsandapplicablestandardsincludingthe
recognisedrulesofengineering.
•Technicalandunauthorisedmodicationstotheproductarenotpermitted.The
productmayonlybeusedforitsintendedpurpose.
Disclaimer
•Weareunabletomonitoradherencetothisuserinformationandalsohandlingdu-
ringtheinstallation,operationandmaintenanceofthetting.Improperinstallation
oftheproductcancausepropertydamageandconsequentlyendangerpeople.
•Wedonotacceptresponsibilityandliabilityforanylosses,damageorcostsdueto
incorrectinstallation,improperoperationandincorrectuseandmaintenanceorin
anymannerassociatedtherewith.
•Ourgeneraltermsandconditionsofsaleapply.

User information
EWE-FLEXORIPP Water Meter Pit
Edition 01/2017
3
Current information at: www.ewe-armaturen.de
Packaging
•Theindividualttingsandvalvesarepackedinaccordancewiththeanticipated
transportconditions.Onlyenvironmentallyfriendlymaterialshavebeenused
forthepackaging.Thepackagingshouldprotecttheindividualcomponentsfrom
transportdamage,corrosionandotherdamageuntiltheyareinstalled.Removethe
packagingjustbeforethettingisinstalled.
Disposal
•Separatetheexistingrawmaterialsaccordingtodisposaltypeandmaterial.Raw
materialsmustbedisposedofinaccordancewiththeapplicablestatutoryprovisions
andlocalregulations.Sendrecyclablepackagingmaterialsforrecycling.
Explanation of the symbols, warning symbols and signal words used
Symbol Description
Generaldangerarea(danger/warning/caution)
DANGER:
Hazardwithahighdegreeofriskwhich,ifnotavoided,
willresultindeathorseriousinjury.
WARNING:
Hazardwithanaveragedegreeofriskwhich,ifnot
avoided,mayresultindeathorseriousinjury.
CAUTION:
Hazardwithalowdegreeofriskwhich,ifnotavoided,
mayresultinminorormoderateinjury.
!NOTE:
Indicatesaninstructionthatmustbeobserved.
!INFORMATION:
Providesusefulrecommendations.
Use of abbreviations:
WM: Watermeter Q3: Permanentow
WMP: Watermeterpit PN: Nominalpressure
WMS: Watermetersystem Art.: Articlenumber
KMR: Ballmembranenon-returnowvalve CAC: Combinedangleseatcheckvalve
PC: Pipecover PA: Polyamide
GG: Lamellargraphitecastiron EPP: Expandedpolypropylene
PR: Pressureregulator

User information
EWE-FLEXORIPP Water Meter Pit
Edition 01/2017
4Current information at: www.ewe-armaturen.de
1. Information about the product
1.1 Scope
Thisuserinformationappliesto
– EWE-FLEXORIPPwatermeterpits,articlenumber:0396XXX,consistingofa:
•Pitbody,watermetersystemwithexiblehosesandliftingdevice,pitductsand
insulatingcover.
Pitcoversmustbeorderedseparately.
– EWE-FLEXORIPP-pitcovers(notsuppliedwiththepit!):
•FLEXORIPPcovercap,max.200KG,articlenumber0396000
•FLEXORIPPA15pitcover,consistingofacoverframewithcoverseal,coverand
lockingscrews,articlenumber0396001
•FLEXORIPPB125pitcover,consistingofacoverframewithcoverseal,coverand
lockingscrews,articlenumber0396002
1.2 Other applicable documents
•Theoperatinginstructionsoftherespectivecontractingbodyorcontractingcompany
mustbefollowed
•DVGW(GermanTechnicalandScienticAssociationforGasandWater)andstatutory
accidentinsuranceinstitutionregulations
In particular:
•DINEN124,”Gullytopsandmanholetopsforvehicularandpedestrianareas”
• DINEN805,”Watersupply-Requirementsforsystemsandcomponentsoutsidebuildings”
•DINEN806,”Specicationforinstallationsinsidebuildingsconveyingwaterfor
humanconsumption”
•DIN1988,”Codesofpracticefordrinkingwaterinstallations”,nationalsupplementto
DINEN806
•DINEN1717”Protectionagainstpollutionofpotablewaterinstallationsandgeneral
requirementsofdevicestopreventpollutionbybackow”
•DIN4124”Excavationsandtrenches-Slopes,plankingandstruttingbreadthsof
workingspaces”

User information
EWE-FLEXORIPP Water Meter Pit
Edition 01/2017
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Current information at: www.ewe-armaturen.de
• DIN18196”Earthworksandfoundations-Soilclassicationforcivilengineeringpurposes”
• KTW(plasticsindrinkingwater)andelastomerguidelinesissuedbytheFederalEnviron-
mentAgency
•Listof”Metallicmaterialssuitableforcontactwithdrinkingwater”issuedbythe
FederalEnvironmentAgency
•DVGWworksheetW270”Propagationofmicroorganismsonmaterialsusedin
drinkingwatersystems”
•DVGWworksheetW400”Technicalrulesforwaterdistributionplants”
•DVGWworksheetW543”Pressure-resistanthosepipesandcompensators”
•DVGWworksheetW570”Valvesfordrinkingwaterinstallation”
•RSA95”Guidelinesforsafeguardingworksitesonroads”
1.3 Areas of use/medium
•ColddrinkingwaterinaccordancewithDIN2000
1.4 Permissible operating pressure of components (PFA)
•PN10
1.5 Material/dimensions/performance
1.5.1 Pit body
Material:
•PitbodymadeofwaterproofPE
Dimensions:
•Pipecover Heightwithoutpitcover Heightwithpitcover
0.75m 0.80m 0.87m
1.00m 1.05m 1.12m
1.25m 1.30m 1.37m
1.50m 1.55m 1.62m
1.75m 1.80m 1.87m
2.00m 2.05m 2.12m
•Pipecovercanbeshortenedin2.5cmsections
•Largestexternaldiameter:650mm
•Pitopening/470mminternaldiameter
•Externaldiameterofcoverframe:548mm
Connections:
•Femalethreadatbothends
VersionforQ34(Qn2.5,3/7)  =T1"
VersionforQ310(Qn6)  =T11/4"
1.5.2 Insulating cover
Material:
•Nonload-bearinginsulatingcovermadeofEPP
Dimensions:
•485mmexternaldiameter

User information
EWE-FLEXORIPP Water Meter Pit
Edition 01/2017
6Current information at: www.ewe-armaturen.de
Drawing:DimensionsofEWE-FLEXORIPPwatermeterpit
ExternalØwithA15/
B125pitcoverinstalled
Heightwithframe
LargestexternalØ
Pipecover
ExternalØwithoutpit
InternalØ
Heightwithoutframe
Seetableonpage5fordetailedinformationaboutthesedimensions!

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EWE-FLEXORIPP Water Meter Pit
Edition 01/2017
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Current information at: www.ewe-armaturen.de
1.5.3 Water meter systems and hoses
Materials:
•BracketmadeofA2stainlesssteel
•Watermeterscrewttingsmadeoflead-freesiliconbrassinaccordancewiththelist
of“Metallicmaterialssuitableforcontactwithdrinkingwater”.
•PlasticsandelastomersinaccordancewiththeKTWandelastomerguidelinesissued
bytheFederalEnvironmentAgencyandtheDVGWworksheetW270.
•Valvesmadeoflead-freesiliconbrassinaccordancewiththelistof“Metallicmateri-
alssuitableforcontactwithdrinkingwater”.
•HosesmadeofsiliconewithbraidingmadeofA2stainlesssteelandfabriccovering
madeofthermoplasticmaterial
•Pressureregulatormadeofstainlesssteel
Versions:
•Ballvalve-ballvalve •Ballvalve-pressureregulator-ballvalve
•Ballvalve-CAC-valve •Ballvalve-pressureregulator-CAC-valve
•Ballvalve-BMN-ballvalve
•Angleseatvalve-angleseatvalve •Angleseatvalve-PR-angleseatvalve
•Angleseatvalve-CAC-valve •Angleseatvalve-PR-CAC-valve
•Angleseatvalve-BMN-angleseatvalve

User information
EWE-FLEXORIPP Water Meter Pit
Edition 01/2017
8Current information at: www.ewe-armaturen.de
Water meter system variants – water meter dimensions:
Watermeterdimensions
ThreadT(d3)×
Lengthmm(l2)
MID(MeasurementInstrumentDirective)
Q3
[m³/h]
EEC
Qn
[m³/h]
" ×165* 2.5 1.5
" ×165* 2.5 1.5
1" ×190 2.5or4 2.5
1" ×190 2.5or4 2.5
1" ×190 2.5or4 2.5
11 " ×175 4or10 3/7
11 " ×175 4or10 3/7
11 " ×175 4or10 3/7
11 " ×260 6.3or10 6
11 " ×260 6.3or10 6
*Adapterset(articlenumber3903075)isrequired!
1.6 Transport and storage
•TheFLEXORIPPwatermeterpitshouldbetransportedandstoredverticallyinits
originalpackaginguntilitisused.
1.7 Functional description
FLEXORIPPwatermeterpitsareintendedforinstallationinpipetrenches.
Theycanbeusedinmanyways,suchasadomesticconnection,constructionsitewater
connection,inparkareasorallotments,oncampingsitesorincemeteries.
Thewatermeterpitiseasytoinstallinapipetrenchwithoutextensiveearthworks
becauseofitssmallsize.Thewatermeterpitisimpermeabletosurfacewater,hygieni-
callycleanandenablesthefrost-freeoperationofthewatermetersystemandwater
meter.Itisnotnecessaryorpossibletoenterthewatermeterpit.
Therelevantaccidentpreventionregulationsforenteringpitsarethereforenot
applicable.
2. Installation instructions (installation/assembly)
2.1 Information about the preparations
CAUTION
Checkthewatermeterpitandwatermeterpitsystemfordamageor
contaminationbeforeuse.
Adamagedpitordamagedttingmustnotbeused.
Thepipeshouldbeushedbeforeinstallingthewatermeterinthewatermetersystem;
anadaptershouldbeusedforthispurpose.

User information
EWE-FLEXORIPP Water Meter Pit
Edition 01/2017
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Current information at: www.ewe-armaturen.de
!ThewatermeterpitsystemisfactoryttedwithaPEadapter.
ThePEadapterisonlyusedasasubstituteforthewatermeterandisnot
suitableforoperation.
2.2 Information about the installation site
!Thewatermeterpitshouldbelocatedatanelevatedpositiononthesiteor
protrudeafewcentimetresabovegroundlevelifpossible.
Thechoiceofpitsizeshouldbecompatiblewiththefrost-freeinstallationdepth
ofthepipeandisthesoleresponsibilityoftheuser.Thewatermeterpitdemonstrates
favourablebehaviouragainstbuoyancybecauseofitsexternalshape.Anessential
requirementisthatitisinstalledproperlywithgravelbackllandcompactioninlayers.
Thepitbodyhasawaterproofdesignandtheconnectiontothecoverisimpermeableto
surfacewater.Asoilengineeringspecialistshouldbeconsultedinareaswherethereisa
riskoftemporaryooding.
!Shouldtherebeat-lyingsupplypipes(so-calledsummerpipes)downstreamof
thewatermeterpit,whichhavetobeemptiedbeforethestartofthefrost
season,werecommendinstallingaspecialttinginthepiperoutingbetweenthe
pitexitandthetappingpoint,e.g.anEWEgardenvalveincombinationwithan
installationset.AnEWEgardenhydrantprovidesthesameconvenienceinthecaseof
anoutdoortappingpoint.
!Theemptyingofthedownstreamsupplypipeinthepitbodyrequiresspecial
carefromahygienicpointofview.Thewaterfromthepipemustbepumped
awayimmediatelyduringtheemptyingphaseandthenthedrainopeningmust
beclosedtopreventanypossiblecontaminationinthepipenetwork.
2.3 Excavation and backlling
Thewatermeterpitisdeliveredreadyforinstallationandcanbeusedinprepared
ditches.Theworkrequiredistheresponsibilityoftheuser.
Thedistancestootherundergroundinstallations,suchasbuildings,pipes,cables,must
beobservedinaccordancewiththeDVGWworksheetW400.
TherequirementsofDIN4124mustbeobserved.
Possibleearthmovementsasaresultofsubsidence,settlementorsoilpressure,e.g.
causedbyslopingsites,mustbetakenintoconsideration.
Non-cohesivesoilwithagrainsizeofmax.16mmmustbeusedforthefoundations,
beddingandbacklling.SandSE,SWorSIandgravelGE,GW,GIhaveprovenasuccess
inaccordancewithsoilclassicationF1accordingtoDIN18196,whichalsomeetthe
requirementsforthecompactionclassesandfrostprotection.
Thepitmustbexedinplaceassoonaspossiblebybackllingthetrench.
Otherappropriatemeasuresmustbetakentosecureitagainstoatingwhilethetrench
isnotcompletelybacklledtogroundlevel.

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2.4 Installation
•Leveloutandcompactthebottomof
thetrenchevenlythroughout.
•Positionthepitsothatitisvertical
andlevel.
•Arrangeforthefoundationsforthe
footprintofthepittobedugin
accordancewithloadclassA15or
B125.
•Arrow-Observetheowdirection
whenaligningthepit.
•Flushthepipebeforeestablishingthe
connections.
•Establishconnectionsbetweenthe
connectionsleevesofthepitandthe
pipe.
•Observetheguidelinesofthe
connectionttingsmanufacturer.
!Performaleaktestin 
accordancewiththeregulations.
•Backllthetrenchintheareaof
thewatermeterpit.
•Supporttheconnectionpipes(inlet
andoutletside)beforethecompac-
ting.
•Backllthesoilinlayersofmax.
30cmandcompactto97%DPr.
•Avoidone-sidedstresswhenbackl-
lingandcompacting.
3.
4.
1.
2.

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CAUTION
Thepitmaynotbeoperatedwithoutapitcoverinaccordancewithsection5.
Theinsulatingcoverisnonload-bearing.
Theinstallationsiteandpitopeningmustbesecuredagainstunintentional
accessduringtheinstallationperiod.
5. •Installthewatermeterinaccordance
withsection4“Maintenanceand
servicing”.
•Installthepitcoverinaccordancewith
section5“Pitcovers”.
6.

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2.5 Shortening the pit pipe
Thecylindrical,rib-shapedpartofthepitcanbeshortenedin2.5cmsections.
Atleast3ribsneedtoremaintomountthecoverframeanditsseal.
Frostprotectionthroughtheplannedinstallationdepthmustbetakeninto
consideration.
!Ifshortenedbymorethan20cm,thelengthoftheliftinglinemustbereduced
orthelattermustbereplaced.
3. •Removethecoverframeseal(if
applicable).
4.
2. •Loosenandalsoremovethecover
frame(ifapplicable).
1. •Removethecoverifoneistted.
•Removetheinsulatingcover.

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3. Operation and use
Avisualinspectionofthewatermeterpit,thewatermeterpitttingsandtheentire
systemmustbemadepriortoputtingitintooperation.
3.1 Functional check and leak test
!Theentiresystemmustbecheckedtoensurethatitisworkingandhasnoleaks.
•Thepitpipecanbeshortenedinsections
of2.5cmatthedeepestpointofthe
ribusingasuitabletool(e.g.EWE-
FLEXORIPPcutter).
•Aminimumofthreeribsmustremain.
•Deburrthecutedge.
•Deburrtherstribatitsdeepest
point.
•Installthepitcoverinaccordancewith
section5“Pitcovers”.
7.
8.
6. •Whenusingthecovercap,makesure
thatthepittogetherwiththecapprot-
rudeapprox.7cmabovetheground.
•WhenusingtheA15/B125pitcover,
additsheightof7cmfromtherstrib.
5. •Takethemeasurementtothesurface.

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3.2 Pit security
CAUTION
Thepitmustnotbeoperatedwithoutapitcoverinaccordancewithsection5.
Theinsulatingcoverisnonload-bearing.
Theinstallationsiteandpitopeningmustbesecuredagainstunintentional
accessduringtheinstallationperiodandduringoperationofthepit.
A15/B125pitcoversmustbelockedwiththeenclosedscrews.
3.3 Frost protection
!Theinsulatingcoverfastenedtotheliftinglinemustbeused.
Frostprotectionmustbeensuredthroughthelocalinstallation,inparticularby
therightchoiceofinstallationdepth.
Itisthereforethesoleresponsibilityoftheplanningandcontractingbodytoensurethe
frost-freeconditionsinthepipeandpit.
4. Maintenance and servicing
!The(ball)shut-offvalvesinthewatermetersystemsaregenerallydenedas
maintenancettings;theyshouldthereforebeactuatedslowlyinthecaseof
maintenance(duringopeningandclosing)whenthetappingdevicesareclosed.
Thettingsmustbeopenedasfarastheywillgo,i.e.bysettingthemtothefullyopen
position.Itisnotpermittedtorestrictthem.
!Itisrecommendedthattheshut-offvalvesonthewatermetersystemare
normallyactuatedatleastonceayeartoensurethattheyworkandmove
freely.
Asageneralrule,anannualfunctionalcheckshouldbeperformedonthenon-return
owvalve.Itisnotnecessaryforplug-innon-returnowvalvestobeinspectedannual-
ly.Thesettingsmustbechangedwiththeregularreplacementofthewatermeter,but
within10yearsatthelatest(EN806).Thenon-returnowvalvesarewearparts.
Afunctionalcheckcanbecarriedoutonmodelswithacontrolscrewthatarealready
installed.
Todothis,theinowmustbeshutoffandthecontrolscrewopenedwithduecaution.
Onlytheremainingwaterbetweentheinowandhousingmustescape.
Mediumfromotherinstallationsmustbeheldbackbythenon-returnowvalve.
Thenon-returnowvalvemustberepairedifthisisnotthecase.
CAUTION
Thepipesystemmustbeshutoffanddepressurisedbeforestartingtherepair
work.Furthermore,thepipesystemmustbesecuredagainstinadvertentuse
again.

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•Removethecoverandinsulating
cover.
•Pulloutthewatermeterpitsystem
withtheaidoftheliftingline.
1.
•Placethewatermeterpitsystemnext
tothepitopening.
2.
•Lowerthewatermeterpitsystem
slowlyontheliftingline.
3.
4.
Meter reading and meter replacement
5. •Closetheinsulatingcover.
•Fitthepitcover.
•Alternatively,thepitsystemcanbe
xedwiththeplinthonthepitframe.
• Installandreplacethemetertaking
accountoftheinstallationinstructionsof
thewatermetermanufacturer.

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5. Pit covers
•FLEXORIPPcovercap-200kg
•FLEXORIPPA15pitcover,EN124
•FLEXORIPPB125pitcover,EN124
Material/dimensions/performance
Material:
•Covercapmadeoflamellargraphitecastiron
•A15/B125pitcoverswithcoverframemadeoflamellargraphitecastironwith
integratedcoversealingringmadeofNBR.Screwsmadeofstainlesssteel.
Dimensions:
•535mmexternaldiameterofcovercap
•548mmexternaldiameterofcoverframefortheA15/B125cover
Description
Theloadofthepitisrestrictedaccordinglydependingonthepitcoverselected.
Thecovercapisonlysuitableforload-freeinstallationsituations(frontgardens,small
gardens).
TheA15pitframeissuitableandcertiedfortrafcareasusedbypedestriansand
cyclistsinaccordancewithDINEN124ClassA15,Group1.
TheB125pitframeissuitableandcertiedfortrafcareasusedbypedestriansorin
pedestrianzonesandsimilarareas,carparkinglotsordecksinaccordancewithClass
B125,Group2.

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•Cleanthedeepestpointofthetoprib,
removeburrifnecessary.
•Placethesealingringinthedeepest
pointofthetoprib.
!Thetopribisusedtosupport
thecoverframeandmustnot
bedamaged!
!Thedeepestpointofthetopribisa
sealingfaceandmustnotbe
damagedorcontaminated!
1.
2.
3.
•Placethecoverframeonthetoprib
ofthepitbody.Theresistanceofthe
sealingringmustbeovercome.
•Checkthatitisttedcorrectly.The
coverframemustrestontherib.
•Closethecoverinaccordancewith
section5.2.1.
•Embedthecoverframeinthetop
layer/surface.
5.1 Installation instructions for cover cap
5.2 Installation instructions for A15/B125 pit covers
Thepitcoverscanbettedushwiththesurface;countersinkingshouldbeavoided.
•Thecovercapmustbeinstalled
approx.7cmabovegroundlevel.
•Thecovercapcanonlybelifted
fromtheedgeofthecover.
•Precipitationoranysurface
waterthatoccursmustbedrained
becauseoftheelevatedinstallation
situation.

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5.2.1 Operation of the A15/B125 pit cover
Opening the cover
1. •Removethesealingplugs.
3. •Removethepitcoverviatherecesses
withasuitableliftingtool.
•Unscrewthehexagonheadscrews
SW15.
2.

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Closing the cover
•Cleanthesealinthecoverframe.
•Checkthethreadedscrewholes
fordirtandcleanifnecessary.
1. •Inserttheinsulatingcover.
2.
•Insertthecoverinthecoverframe
withtheaidofthepositioninglugs.
3.
•Tightenthescrewsalternately.
•Recommendedtorque:35-45Nm.
4.
•Insertthesealingplugsinboth
openings.
•Checkthattheyarelockedrmlyby
liftingthecover.
5.

Braunschweig
WILHELM EWE GmbH & Co. KG
Volkmaroder Straße 19
38104 Braunschweig
Phone.:[phone]
Fax: [phone]
E-mail: [email protected]
www.ewe-armaturen.de