1、BRITISH STANDARD BS EN 274-2:2002 Incorporating Corrigendum No. 1 Waste fittings for sanitary appliances Part 2: Test methods The European Standard EN 274-2:2002 has the status of a British Standard ICS 91.140.70 BS EN 274-2:2002 This British Standard, having been prepared under the direction of the
2、 Building and Civil Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 4 September 2002 BSI 16 February 2004 ISBN 0 580 40337 8 National foreword This British Standard is the official English language version of EN 27
3、4-2:2002. Together with BS EN 274-1:2002 and BS EN 274-3:2002 it supersedes BS EN 274:1993, BS EN 329:1997, BS EN 411:1995, BS 3380:1982 and BS 3943:1979, which are withdrawn. The obsolescent BS 1184:1976 is also withdrawn. WARNING. The national foreword to BS EN 274:1993 cautioned that the incorrec
4、t use of products conforming to that standard in a UK waste water system could result in a health hazard. This is still true for some of the products under the scope of this standard. To be used satisfactorily with traditional UK installations having 1 !,1 “ and 2 Imperial-sized threaded outlets, th
5、e internal diameter of the threaded end of the waste outlet should be not less than 36 mm, 41.7 mm or 51.9 mm respectively, this to extend for a least 7 mm from the threaded end of the waste outlet. The UK participation in its preparation was entrusted to Technical Committee B/505, Wastewater engine
6、ering, which has the responsibility to: A list of organizations represented on this committee 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 the BSI Catalogue unde
7、r 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 for its correct appl
8、ication. 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 interests informed; m
9、onitor 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 10, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates
10、when the document was last issued. Amendments issued since publication Amd. No. Date Comments 14957 Corrigendum No. 1 16 February 2004 Correction to title and revision of national forewordEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN2742 January2002 ICS91.140.70 SupersedestogetherwithEN2741:2002
11、andEN274 3:2002theEN274:1992,EN329:1994andEN411:1995 Englishversion WastefittingsforsanitaryappliancesPart2:Testmethods DispositifsdevidagedesappareilssanitairesPartie2: Mthodesdessai AblaufgarniturenfrSanitrausstattungsgegenstnde Teil2:Prfverfahren ThisEuropeanStandardwasapprovedbyCENon23December20
12、01. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoa
13、nyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAus
14、tria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36
15、B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2742:2002EEN2742:2002(E) 2 Contents page Foreword3 1 Scope 3 2 Normativereferences 3 3 Temperaturecyclingtest 3 4 Dimensionalrequirements 4 5 Hydraulicrequirements .5 5.1 Measuremento
16、fflowrates. .5 5.2 Flowrateofwasteoutlet. 6 5.3 Flowrateofwasteoutletwithatrap. .6 5.4 Flowrateoftrap . 8 5.5 Flowrateofoverflow . 9 6 Leaktightness.10 6.1 Leaktightnessofwasteoutletwithplugorflap. .10 6.2 Leaktightnessoftraps .10EN2742:2002(E) 3 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnic
17、alCommitteeCEN/TC165,“Wastewaterengineering“,the secretariatisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJuly2002,andconflictingnationalstandardsshallbewithdrawnatthelatestby July2002. TogetherwithParts1an
18、d3ofthisstandardthisEuropeanStandardsupersedesEN274:1992,EN329:1994and EN411:1995. TheotherpartsoftheEuropeanStandardcontainthenecessarystatementsondimensionalandhydraulic requirementsandqualitycontrolofwastefittingsforsanitaryappliances. AccordingtotheCEN/CENELECInternalRegulations,thenationalstand
19、ardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom. 1Scope Thisstandardspecifiestestmetho
20、dsfortherequirementsofwasteoutlets,trapsandoverflowsinaccordancewith EN2741:2002. NOTEAllfiguresinthisstandardarediagrammaticonly. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesin
21、thetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN2741:2002
22、, WastefittingsforsanitaryappliancesPart1:Requirements. 3 Temperaturecyclingtest Wasteoutletsandtrapsshallbesubjectedtothepassageofhotandcoldwateraccordingtothefollowing schedulefor5cycles: a) Xl/sofwaterofatemperatureof95 0 2 Coveraperiodof15minataconstantflowrateand b) Xl/sofwaterofatemperatureof(
23、205)Coveraperiodof10minataconstantflowrate. Thevalueof XistheminimumflowrateasgiveninTable3ofEN2741:2002,butwithamaximumof0,5l/s. Thewatershallenterthewasteoutlethavingtherequiredtemperature. Adrainageperiodbetweencyclesofupto5sispermissible.EN2742:2002(E) 4 ThetestarrangementisshowninFigure1. Key 1
24、Controlunit 2Wastefitting 3Hotwatersupply 4Coldwatersupply 5Discharge M=solenoidvalve R=regulatingvalve Figure1Testarrangementfortemperaturecyclingtest 4 Dimensionalrequirements Thedimensionsofwasteoutletsandtrapsandthedepthofwatersealshallbemeasuredusingconventional methods.EN2742:2002(E) 5 5 Hydra
25、ulicrequirements 5.1 Measurementofflowrates Dimensionsinmillimetres Key 1Devicetopreventturbulence 2Flowmeter 3Overflowhole 4Regulatingvalve 5Overflowlevel 6LevelU 7LevelC 8Wasteoutlethole Figure2Testtankformeasuringflowrates Thewastefittingtobetestedshallbefittedtothetesttank,whichispreferablymadeo
26、ftransparentmaterial (seeFigure2).Ifinthecaseofwasteoutletsfittedwith: aplug,itisremoved; aflap,itisadjustedtoobtainthemaximumlift,howeverithastobetightwhenclosed. Fillthetesttankwithwateruptothetestlevelasfollows: testlevelC=(1202)mmforwasteoutletsandtrapsforbasins,bidets,showertraysandkitchensinks
27、;EN2742:2002(E) 6 testlevelU=(3002)mmforwasteoutletsandtrapsforbaths. Theoutletisblockedbyhanduntilthetestlevelisreached. Stabilizethetestlevelbyadjustingthewaterinflowbymeansofaregulatingvalve. Theflowrateofthewasteoutletsandtrapsistheflowrateindicatedbytheflowmeter,whenthetestwater levelCorUisstab
28、ilized. 5.2 Flowrateofwasteoutlet TheflowrateofwasteoutletistestedusingaflowstabilizingtubeasshowninFigure3.Theflowratestabilization tubehasaninternaldiameterof 30mmforwasteoutletsforbasinsandbidets; 36mmforwasteoutletsforshowertrays,bathsandkitchensinks. Proceedinaccordancewith5.1. Dimensionsinmill
29、imetres Figure3Arrangementformeasuringflowrateofwasteoutlet 5.3 Flowrateofwasteoutletwithatrap TheflowrateofwasteoutletwithatrapistestedwiththewasteoutletandtrapfixedasshowninFigure4.Ifan overflowisfitted,itshallbeopen. Whenawastefittingwithahorizontaloutletdoesnothaveastraightpartofaminimumlengthof
30、50mm,a horizontalstabilizingtube,300mmlong,shallbeattachedtoit.Thediameterofthestabilizingtubeshall correspondtothatofthewastefittingoutlet.EN2742:2002(E) 7 Inthecaseofwastefittingwithadjustableoutletanglestheoutletpipeshallbepositionedinahorizontalplane. Proceedinaccordancewith5.1. Dimensionsinmill
31、imetres Figure4Arrangementformeasuringflowrateofwasteoutletwithatrap Inthecaseofawasteoutletwithintegraltrapforshowertrayswithadiameter Gof87mm(seeTable1ofEN274 1:2002)usethetestarrangementasgiveninFigure5andproceedasfollows: Adjustthefittingtotheminimumclampingheight. Locatethewastefittinginthetest
32、tank. Fillthetesttankuptomeasuringlevel.Thenadjustthewaterflowtogiveaconstanttestlevelof(151)mm abovethemeasuringlevel. Whenmeasuringlevelisbyadjustingtheflowratestabilized,theflowrateofthewastefittingistheflowrate indicatedbytheflowmeter.EN2742:2002(E) 8 Dimensionsinmillimetres Key 1Testlevel 2Refe
33、rencelevel Figure5Arrangementformeasuringflowrateof87mmshowertraywasteoutlet 5.4 Flowrateoftrap TheflowrateofatrapwithoutwasteoutletistestedusinganappropriatereferenceoutletasshowninFigure6. Inthecaseofatrapwithadjustableheightitshallbemeasuredattheminimumheight.EN2742:2002(E) 9 Dimensionsinmillimet
34、res Figure6Referencewasteoutlets 5.5 Flowrateofoverflow TheflowrateofanoverflowistestedusingthetestarrangementasshowninFigure7,eitheraflowstabilizingtube inaccordancewith5.2or,inthecaseofawasteoutletwithtrapandoverflowtheprocedureshallbeinaccordance with5.3. Figure7Arrangementformeasuringflowrateofo
35、verflowEN2742:2002(E) 10 Closethewasteoutletattheinsideoftesttankandfillthetesttankwithwateruptothetestlevelabovethe centrelineoftheoverflowopening. (602)mmforbathsandshowertrays, (302)mmforkitchensinks,washbasinsandbidets. StabilizethisoverflowlevelinaccordancewithFigure2byadjustingthewaterinflowby
36、meansofa regulatingvalve. Theflowrateoftheoverflowistheflowrateindicatedbytheflowmeter,whenthewaterlevelisstableatthe requiredlevel. 6Leaktightness 6.1 Leaktightnessofwasteoutletwithplugorflap Fitthewasteoutlettothebottomofthetesttank(seeFigure2)withthepluginpositionortheflapclosed. Fillthetesttankw
37、ithwatertoaheightof120mmandcollectanywater,whichflowspastthewasteoutlet flaporplugduringaperiodof1h. Measurethequantityofwatercollected. 6.2Leaktightness of traps Subjectalltrappartsandconnections(seeFigure8)toawaterpressureof0,01MPa(0,1bar)foraperiodof 5min. Fortrapswhichhavebeensubjectedtoatempera
38、turecyclingtest,theleaktightnessshallbetestedimmediately afterthetest. Dimensionsinmillimetres Key 1Inletclosed Figure8ArrangementtotestthetightnessoftrapsblankBS EN 274-2:2002 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible
39、 for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments
40、or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on
41、 the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards p
42、ublications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of th
43、ose that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information servi
44、ces are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and oth
