1、ICS 71.100.80Products used for treatment of water intended for human consumptionInorganic supporting and filtering materialsMethods of testEnglish version of DIN EN 12902Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch Anorganische Filterhilfs- und Fil-termaterialien PrfverfahrenA c
2、omma is used as the decimal marker.National forewordThis standard has been prepared by CEN/TC 164 Water supply (Secretariat: France).The responsible German body involved in its preparation was the Normenausschuss Wasserwesen (WaterPractice Standards Committee), Technical Committee Wasseraufbereitung
3、.The DIN Standards corresponding to the International Standards referred to in clause 2 of the EN are asfollows:ISO 565 DIN ISO 565ISO 2395 DIN ISO 2395ISO 9276-1 DIN ISO 9276-1AmendmentsThis standard differs from the December 1999 edition in that it has been completely revised.Previous editionDIN E
4、N 12902: 1999-12.National Annex NAStandards referred to(and not included in Normative references)DIN ISO 565 Test sieves Metal wire cloth, perforated metal plate and electroformed sheet Nominalsizes of openings (ISO 565 : 1990)DIN ISO 9276-1 Representation of results of particle size analysis Part 1
5、: Graphical representation(ISO 9276-1 : 1998)DEUTSCHE NORM February 2005DIN EN 12902 No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards
6、 (DIN-Normen).Supersedes DIN EN 12902,December 1999 edition.English price group 15www.din.dewww.beuth.de9627820Continued overleaf.Document comprises 36 pages.05.05English versionICS 71.100.80 Supersedes EN 12902 : 1999.Products used for treatment of water intended for human consumptionInorganic supp
7、orting and filtering materialsMethods of test 2004. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 12902 : 2004 EProdukte zur Aufbereitung von Wasserfr den menschlichen Gebrauch An-organische Filterhilfs- und Filtermate-rialien Prfv
8、erfahrenThis European Standard was approved by CEN on 2004-09-30.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical refe
9、rences concerning such national stand-ards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into it
10、s own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, theCzech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxem
11、bourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.EN 12902November 2004Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungP
12、roduits chimiques utiliss pour le trai-tement de leau destine la consom-mation humaine Matriaux inorga-niques de filtration et de support Mthodes dessaiPage 2EN 12902 : 20042333341532Page 3EN 12902 : 2004Page 4EN 12902 : 2004Page 5EN 12902 : 2004Page 6EN 12902 : 2004Page 7EN 12902 : 2004Page 8EN 129
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