1、 August 2006DIN EN 12499 Corrigendum 1 ICS 77.060 Internal cathodic protection of metallic structures Corrigendum 1 to English version of DIN EN 12499:2003-07 Kathodischer Korrosionsschutz fr die Innenflchen von metallischen Anlagen Berichtigung 1 zur englischen Fassung DIN EN 12499:2003-07 Document
2、 comprises 2 pages No part of this standard may be reproduced without prior permission of DIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, has the exclusive right of sale for German Standards (DIN-Normen). English price group 99 www.din.de www.beuth.de !,pR“
3、01.07 9776147This corrigendum should be filed together with the translation of the standard to which it refers and a corresponding note made on the translation. DIN EN 12499 Corr 1:2006-08 2 This Corrigendum is based on EN 12499:2003/AC:2006, issued by CEN. In the English version of DIN EN 12499:200
4、3-07 the following corrections are to be made: Re Clause 1 Replace the text of the first sentence in the second paragraph by the following: “This standard applies to the internal cathodic protection of domestic water heaters, hot and cold water tanks, circulating water pipes, condensers and heat exc
5、hangers.” Replace the text of the NOTE by the following: “NOTE Cathodic protection is considered to be technically feasible for electrolytic solutions with a conductivity 103Siemens m1, and a pH 4,5. Where the pH 5,5 or the conductivity less than 102Siemens m1see 5.4 and 6.9.2.2.” Insert the following new paragraph below the NOTE: “This standard is not applicable to oil and gas process plant and equipment or to industrial heating or cooling water systems.”
