1、BRITISH STANDARD BS EN 12541:2002 Sanitary tapware Pressure flushing valves and automatic closing urinal valves PN 10 The European Standard EN 12541:2002 has the status of a British Standard ICS 91.140.70 BS EN 12541:2002 This British Standard was published under the authority of the Standards Polic
2、y and Strategy Committee on 29 January 2003 BSI 29 January 2003 ISBN 0 580 41158 3 National foreword This British Standard is the official English language version of EN 12541:2002. The UK participation in its preparation was entrusted by Technical Committee B/504, Water supply, to Subcommittee B/50
3、4/8, Terminal fittings, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in th
4、e BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible
5、for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK i
6、nterests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 34, an inside back cover and a back cover. The BSI copyright date displayed in this d
7、ocument indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN12541 December2002 ICS91.140.70 Englishversion SanitarytapwarePressureflushingvalvesandautomatic closingurinalvalvesPN10 Robinetteriesanitai
8、reRobinetsdechassedeauet durinoirsfermeturehydrauliqueautomatiquePN10 SanitrarmaturenWCundUrinaldrucksplermit selbstttigemAbschlussPN10 ThisEuropeanStandardwasapprovedbyCENon23October2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope a
9、n Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemad
10、ebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherland
11、s,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.
12、EN12541:2002EEN12541:2002(E) 2 Contents page Foreword4 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .6 4 ClassificationandDesignation .7 4.1 Classificationofflushingvalves . .7 4.2 Classificationofurinalvalves . .7 4.3 Designation.8 5 Marking .8 6 Materials8 6.1 Chemicalandhygienicrequir
13、ements 8 6.2 Conditionofexposedsurfacesandqualityofcoating 8 7 Dimensionalcharacteristics . 8 7.1 WCflushingvalve . .9 7.2 Urinalvalves. 10 8 Leaktightnesscharacteristics . .12 8.1 General12 8.2 Leaktightnesstests . 13 8.3 LeaktightnesstestsSummarytable . .14 9 Pressureresistancecharacteristics . .1
14、4 9.1 General14 9.2 Mechanicalbehaviourtests 14 9.3 MechanicalbehaviourtestsSummarytable .16 10 HydraulicandflowcharacteristicsofWCflushingvalves. .16 10.1 General16 10.2 TestmethodforWCflushingvalves. .16 10.3 Outlineofflowratetimevolumeimpactforcetestandrequirements 22 10.4 Summaryofrequirements 2
15、6 10.5 Measurementofwaterhammer 26 11 PrincipleandverificationofatmosphericpipeinterruptersofWCflushingvalves.27 11.1 General27 11.2 Atmosphericpipeinterruptercomposition. 27 11.3 Installationconditions .28 11.4 Verificationofabsenceofwatersplashes 29 11.5 Verificationofoperationatvacuum .29 12 Hydr
16、aulicorflowcharacteristicsofurinalvalves. .30 12.1 General30 12.2 Testmethodforurinalvalves .30 12.3 Requirements .31 13 Operatingforce 31 14 Mechanicalendurancecharacteristics. .31 14.1 General31 14.2 WCflushingvalves . .31 14.3 Urinalvalves .32EN12541:2002(E) 3 15 Acousticcharacteristics . 32 15.1
17、 General32 15.2 Procedure .33 15.3 Requirements.33EN12541:2002(E) 4 Foreword Thisdocument(EN12541:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC164,“Watersupply“,the secretariatofwhichisheldbyAFNOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor b
18、yendorsement,atthelatestbyJune2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby June2003. Asforpossibleunfavourableeffectsoftheproducttowhichthisstandardappliesonthequalityofwaterforhuman consumption: 1) noinformationisprovidedbythisstandardonpossibleuserestrictionsoftheproductinanyo
19、fthe memberstatesoftheEUortheEFTA; 2) itshouldbenotedthat,whileawaitingtheadoptionofverifiableEuropeancriteria,existingnational regulationconcerningtheuseand/orcharacteristicsofthisproductremaininforce. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing coun
20、triesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN12541:2002(E) 5 1Scope ThisdraftEuropeanstandardappliestoflushingvalvesf
21、orWCsandvalvesforurinals,withautomatichydraulic closure,intendedfor: WCpansEN997; singleflushurinalsprEN13407; siphonactingurinalsprEN13407. Itdoesnotapplytonocontactdetectionvalves. Itisintendedtospecify: markingandidentification,physicochemical,dimensional,leaktightness,pressurebehaviour,hydraulic
22、, mechanicalenduranceandacousticcharacteristicsofflushingvalvesforWCsandurinalswithautomatic closure; testmethodsusedtoverifythesecharacteristics; andtodeterminerequirementsfortheatmosphericinterrupterwhichshallbeanintegralpartoftheWC flushingvalve. Itappliesinthefollowingpressureandtemperaturecondi
23、tions: Table1Conditionsofusefortapware Urinals WCDN15 WCDN20 0,1MPa P 0,4MPa (1bar P 4bar) WCDN25 0,08MPa P 0,25MPa (0,8bar P 2,5bar) DynamicPressurerange recommendedforagood working WCDN32 0,08MPa P 0,2MPa (0,8bar P 2bar) Maximumstaticpressure 1MPa(10bar) Watertemperature 25 C 2 Normativereferences
24、 ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonl
25、ywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN248, SanitarytapwareGeneralspecificationforelectrodepositednickelchromiumcoatingsofNiCr. EN997, WCpanswithintegraltrap. prEN13407:1998, WallhungurinalsFunctionalr
26、equirementsandtestmethods .EN12541:2002(E) 6 ENISO38221, AcousticsLaboratorytestsonnoiseemissionfromappliancesandequipmentusedinwater supplyinstallationsPart1:Methodofmeasurement(ISO38221:1999) ENISO38224, AcousticsLaboratorytestsonnoiseemissionfromappliancesandequipmentusedinwater supplyinstallatio
27、nsPart4:Mountingandoperatingconditionsforspecialappliances(ISO38224:1997) ISO49, MalleablecastironfittingsthreadedtoISO71 ISO65, CarbonsteeltubessuitableforscrewinginaccordancewithISO71 ISO2281:2000, PipethreadswherepressuretightjointsarenotmadeonthethreadsPart1:Dimensions, tolerancesanddesignation
28、3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 3.1 automaticclosingvalves tapwarewhoseopeningisoperatedbyamechanicalactiononthecontroldevice,andwhoseclosurehappens automaticallyafteraperiodofadjustableornonadjustableduration 3.2 WCflushingvalves auto
29、maticclosingvalvesintendedtoensuretheflushingoutofWCpansinaccordancewithEN997,and comprisinganatmosphericinterrupter 3.2.1 stopvalvesforflushingvalve thisisusedtostopwaterflowupstreamoftheflushingvalve.Itmaybeintegratedintotheflushingvalve,or separatefromit 3.2.2 flowcontrolequipment manualorautomat
30、icequipmentcontrollingtheflushflowandwhichisanintegralpartoftheflushingvalveorofthe stopvalve.Ifitispartofthestopvalve,thislattershallnotbelinkedtotheflushingvalvebyaISO228thread 3.2.3 volumecontrolequipment thisisusedtocontrolthevolumeofwaterdeliveredbyaflushingvalve 3.3 Urinalvalves 3.3.1 singlefl
31、ushurinalvalves theseareintendedforflushingsingleflushurinals(seeprEN13407:1998,3.6and3.7) 3.2.2 siphonactionurinalvalves theseareintendedforflushingsiphonactingurinals(seeprEN13407:1998,3.4)EN12541:2002(E) 7 3.3.3 stopvalvesforurinalvalves thisisusedtostopwatersupply.Itmaybeintegratedintheurinalval
32、veandmaybeusedtocontroltheflow 3.4 KeytoAbbreviations Table2Abbreviations DESIGNATION ABBREV. UNIT DEFINITION Nominalsize DN mm Definesthehydraulicanddimensionalvaluesofthe valve Flowrate Q l/s Volumeofwatersuppliedintheunitoftime Operatingtime T s Timeelapsingbetweenthestartofactivationandthe retur
33、nto0oftheflowrate Volumeofwater V l Volumeofwatersuppliedduringtheoperatingtime Staticpressure Ps MPa(bar) Pressureupstreamofvalveinabsenceofflow Dynamicpressure Pd MPa(bar) Pressureupstreamofvalveduringflow Waterhammer D P MPa(bar) Overpressureoccurringupstreamofvalveattimeof closure Impactforce F
34、N Forceproducedbyjetatoutletofflushingpipe. 4 ClassificationandDesignation 4.1 Classificationofflushingvalves Flushingvalvesareclassifiedaccordingtotheirvolumeclass. 4.1.1 6litreand6to9litrevalves Ifavalveisintendedtodeliver6litresofwater,orisadjustablefrom6to9litresofwater,thevalvebelongsto “Class6
35、“. 4.1.2 9litrevalve Ifthevalveisintendedtodeliver9litresofwater,thevalvebelongsto“Class9“. 4.2 Classificationofurinalvalves Urinalvalvesareclassifiedaccordingtotheir“volumeclass”. 4.2.1 1.5litrevalves Ifavalveisintendedtodeliver1.5litreofwater,thevalvebelongsto“Class1.5“. 4.2.2 4litrevalves Ifavalv
36、eisintendedtodeliver4litresofwater,thevalvebelongsto“Class4“. 4.2.3 6litrevalves Ifavalveisintendedtodeliver6litresofwater,thevalvebelongsto“Class6“.EN12541:2002(E) 8 4.3Designation Anautomaticclosingflushingorurinalvalveisdesignatedby: thetypeofapplianceforwhichitisintended(WC,siphonactionurinal,si
37、ngleflushurinals); volumeclass(e.g.class6orclass9); typeofcontrol(pushbutton,remotecontrol.); mountingmethod(topentry,sideentry,flush.); itsnominalDNsize; itsconnectingdimension; thepresenceofanincorporatedstopvalve; theacousticgroup(ifclassified). EXAMPLE flushingvalve/forWC/Class6/pushbutton/topen
38、try/DN20/G3/4Bwithincorporatedstopvalve/ Group1 5Marking Tapwarecomplyingwiththisstandardshallbemarkedindeliblyandpermanentlyontheappliancewiththemarkor nameofthemanufacturerandtheacousticgroup. 6Materials 6.1 Chemicalandhygienicrequirements Allmaterialsincontactwithwaterintendedforhumanconsumptions
39、hallpresentnodangertohealthuptoa temperatureof25C. Theyshallcausenodeteriorationinwaterintendedforhumanconsumptioneitherwithregardtonutritionalquality, appearance,smellortaste. WithinthelimitsrecommendedinClause1forcorrectoperation,thematerialsshallnotundergoanydeterioration, whichmightcompromisethe
40、operationofthevalve. PressurisedpartsshallwithstandthelimitsofusesetinTable1. Materialswithinadequatecorrosionresistanceshallbegivenadequateprotectionagainstit. 6.2 Conditionofexposedsurfacesandqualityofcoating ExposedchromiumplatedsurfacesshallcomplywiththespecificationsofEN248. 7 Dimensionalcharac
41、teristics Generalcommentsondrawings:thedesignandconstructionofpartswithoutmarkeddimensionsdonotinany wayprejudicethevarioussolutionsusedbythemanufacturertoproducethecorrespondingcomponents.EN12541:2002(E) 9 7.1 WCflushingvalve Table3Threadsandoutletpipe(seeFigure1andFigure2) Dimensions Designation D
42、N15 DN20 DN25 DN32 A Malethread(ISO2281:2000) G1/2B G3/4B G1B G11/4B D Femalethread(ISO2281:2000) G1/2 G1/2 G3/4 G1 G(+0/0,5)mm Diameterofpipeconnectionsleeve 20 26 26or30 30 H(+0,2/+0,5)mm Diameter of valve outlet for connection to pipebycompressionjoint 22 28 28or32 32 Table4Permittedthreadlengths
43、(seeFigure1andFigure2) Dimension Comment G1/2B G1/2 G3/4B G3/4 G1B G1 G11/4B Cmin Usefulthreadlength(mm) 8 10 10 11 Lmin Malethread(mm) 11 13 15 19 Fmin Femalethread(mm) 10 12 12 7.1.1 SideentryWCflushingvalves Figure1SideentryWCflushingvalves(seeTable3andTable4)EN12541:2002(E) 10 7.1.2 TopentryWCflushingvalves Figure2TopentryWCflushingvalves(seeTable3andTable4) 7.2 Urinalvalves Table5Threads(seeFigure3andFigure4) DIMENSIONS DESIGNATION DN15 DN20 A a Malethread(ISO2281:2000) G1/2B G3/4B D a Femalethread(IS
