EN 248-2002 en Sanitary Tapware - General specification for electrodeposited coatings of Ni-Cr《卫生设备配件 镍铬电镀层的一般规范》.pdf
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1、BRITISH STANDARD BS EN 248:2002 Sanitary tapware General specification for electrodeposited coatings of Ni-Cr The European Standard EN 248:2002 has the status of a British Standard ICS 91.140.70 BS EN 248:2002 This British Standard was published under the authority of the Standards Policy and Strate
2、gy Committee on 29 January 2003 BSI 29 January 2003 ISBN 0 580 41165 6 National foreword This British Standard is the official English language version of EN 248:2002. It supersedes BS EN 248:1992 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee B/504,
3、 Water supply, to Subcommittee B/504/8, 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
4、in this document may be found in the 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
5、 a contract. Users are responsible 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 prop
6、osals for change, and keep the UK interests 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 9 and a back cover. The BSI copyright date display
7、ed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN248 October2002 ICS91.140.70 SupersedesEN248:1989 Englishversion SanitarytapwareGeneralspecificationforelectrodeposited coatings
8、ofNiCr RobinetteriesanitaireSpcificationsgnralesdes revtementslectrolytiquesdeNiCr SanitrarmaturenAllgemeineAnorderungenfr elektrolytischeNiCrberzge ThisEuropeanStandardwasapprovedbyCENon2September2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivi
9、ngthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyot
10、herlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Ma
11、lta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMe
12、mbers. Ref.No.EN248:2002EEN248:2002(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions. .4 4 Exposedsurfaces 4 4.1 Conditionofexposedsurfaces . .4 4.2 Descriptionofpossibledefects. .5 4.3 Visualexaminationbeforetests. 5 4.4 Requirements .5 5 Qualityofcoating .5 5.1
13、Corrosionresistancetesttestwithneutralsalinespray .5 5.2 TestforcoatingadherenceTestforresistancetothermalshock6 AnnexA (informative) ImagetypeextractfromENISO10289:20018 AnnexB (informative) Testtemperaturetolerancesinrelationtotestduration 9EN248:2002(E) 3 Foreword Thisdocument(EN248:2002)hasbeenp
14、reparedbyTechnicalCommitteeCEN/TC164,“Watersupply“,the secretariatofwhichisheldbyAFNOR. ThisEuropeanStandard shallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyApril2003andconflictingnationalstandardsshallbewithdrawnatthelatestby April2003. Thi
15、sdocumentsupersedesEN248:1989. InthisEuropeanStandardAnnexesAandBareinformative. Thisstandardcomplementsproductstandardsalreadypublishedordraftstandardsbeingdevelopedby CEN/TC 164/WG 8.(singletapsandcombinationtapsthermostaticmixingvalves,jetregulators,mechanical mixingvalves,wasteoutletfittings.)wh
16、ichrefertothisstandard. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portuga
17、l,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN248:2002(E) 4 1Scope ThisEuropeanStandardspecifies: theconditionoftheexposedsurfacesoftapware; thecharacteristics(resistancetocorrosion,adherence)ofthesurfacecoating; thetestsforverifyingthesecharacteristics. Itappliestoallsanitaryfittings(supplyorwas
18、tefittings)whichhaveametallicNiCrcoating,whateverthenatureof thesubstratematerial. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For
19、datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). ENISO10289:2001, Methodsforcorrosiontestingofmetallicandothe
20、rinorganiccoatingsonmetallicsubstrates Ratingoftestspecimensandmanufacturedarticlessubjectedtocorrosiontests(ISO10289:1999) ISO9227, CorrosiontestsinartificialatmospheresSaltspraytests. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 3.1 exposedsurfac
21、es outsidesurfacesoftapwarearethesurfaceswhicharevisibleinuseconditions 3.2 surfacesnotconsideredasexposedsurfaces: a) internalsurfacesof,forexampleoperatingmembers,caps,knobs,etc.; b) partsusuallyoralwayshiddenbyanothercomponent,e.g.linkageofawasteoutletfitting. 4 Exposedsurfaces 4.1 Conditionofexp
22、osedsurfaces Exposedsurfacesshallbeprotectedagainstcorrosion.EN248:2002(E) 5 4.2 Descriptionofpossibledefects Thedifferenttypesofdefectsfoundonexposedsurfacesareasfollows:(Seetable1) Table1Differenttypesofdefects Yellowcolour: Littleornochromeoverthenickel Stains: Faultsunderthenickelplating Pitting
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