1、ICS 13.060.25Wasserrohrkessel und Anlagenkomponenten Teil 12: Anforderungenan die Speisewasser- und KesselwasserqualittEuropean Standard EN 12952-12 : 2003 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been prepared by CEN/TC 269 Shell and
2、water tube boilers (Secretariat: Germany).The responsible German body involved in its preparation was the Normenausschuss Rohrleitungen undDampfkesselanlagen (Pipelines and Pressure Vessels Standards Committee), Technical Committee Dampf-kessel.Ref. No. DIN EN 12952-12 : 2003-12English price group 1
3、0 Sales No. 111004.04DEUTSCHE NORM December 2003EN 12952-12Continued overleaf.EN comprises 17 pages. 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
4、German Standards (DIN-Normen).Water-tube boilers and auxiliary installationsPart 12: Requirements for boiler feedwater and boiler water qualityEnglish version of DIN EN 12952-12September 2003English versionICS 13.060.25; 27.040Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee
5、for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungWater-tube boilers and auxiliary installationsPart 12: Requirements for boiler feedwater and boiler water quality 2003. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national member
6、s.Ref. No. EN 12952-12 : 2003 EChaudires tubes deau et installa-tions auxiliaires Partie 12: Exigencesrelatives la qualit de leau dalimen-tation et de leau en chaudireWasserrohrkessel und Anlagenkom-ponenten Teil 12: Anforderungen andie Speisewasser- und Kesselwasser-qualittThis European Standard wa
7、s approved by CEN on 2003-07-24.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 references concerning such national s
8、tand-ards may be obtained on application to the Management Centre or to any CENmember.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 its own language and notified to th
9、e Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland,Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia,Spain, Swed
10、en, Switzerland, and the United Kingdom.EN 12952-12Page 2EN 12952-12 : 2003Page 3EN 12952-12 : 2003Page 4EN 12952-12 : 2003Page 5EN 12952-12 : 2003Page 6EN 12952-12 : 2003Page 7EN 12952-12 : 2003Page 8EN 12952-12 : 2003Page 9EN 12952-12 : 2003Page 10EN 12952-12 : 2003Page 11EN 12952-12 : 2003Page 12EN 12952-12 : 2003Page 13EN 12952-12 : 2003Page 14EN 12952-12 : 2003Page 15EN 12952-12 : 2003Page 16EN 12952-12 : 2003Page 17EN 12952-12 : 2003