1、ICS 91.140.60Specification for installations inside buildings conveying water for human consumptionPart 2: DesignEnglish version of DIN EN 806-2Technische Regeln fr Trinkwasser-Installationen Teil 2: PlanungThis standard has been included in the body of Codes of practice for gas issued by the DVGW D
2、eutscherVerein des Gas- und Wasserfaches e.V. (German Association of Gas and Water Engineers).National forewordThis standard has been prepared by CEN/TC 164 Water supply (Secretariat: France), WG 2 Internal sys-tems (Secretariat: Germany).The responsible German body involved in its preparation was t
3、he Normenausschuss Wasserwesen (WaterPractice Standards Committee), Technical Committee IV 7 Husliche Wasserversorgung.The DIN Standard corresponding to the European Standard referred to in clause 2 of the EN is as follows:European Standard DIN StandardEN ISO 6509 DIN EN ISO 6509Installation type B
4、(vented) has been introduced to take account of the technical conditions and conventionsin some CEN member countries and to ensure acceptance of the standard in these countries. Principles,requirements and technical details relating to the vented system are given in several clauses, particularly inc
5、lause 19. These specifications are largely unknown to German users of the DIN 1988 standards series.Technical Committee NAW IV 7 Husliche Wasserversorgung expressly points out that, in Germany, instal-lation type A (closed) is the standard type and the principles laid down in DIN 1988 continue to be
6、 valid. Thisis to establish the technical basis for compliance with the requirements of the Trinkwasserverordnung(German Drinking Water Regulation).AmendmentsThis standard differs from DIN 1988-2 and DIN 1988-5, December 1988 edition, as follows:a) The content has been completely revised and restruc
7、tured.b) Installation types A (closed) and B (vented) have been introduced.c) Three operating pressure classes have been specified.d) For plastic pipe systems, two temperature classes have been specified.e) Reference is made to all suitable types of pipes and fittings that are dealt with in European
8、 productstandards.f) Annexes A and B have been included.Previous editionsDIN 1988: 1930-08, 1940-09, 1955-03, 1962-01; DIN 1988-2: 1988-12; DIN 1988-5: 1982-12; 1988-12DEUTSCHE NORM June 2005DIN EN 806-2 No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut
9、 fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Supersedes DIN 1164-8,November 1978 edition.English price group 18www.din.dewww.beuth.de9650776Continued overleaf.Document comprises 49 pages.09.05Supersedes parts of
10、DIN 1988-2 andDIN 1988-5, December 1988 editions.English versionICS 91.140.60Specification for installations inside buildingsconveying water for human consumptionPart 2: Design 2005. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 80
11、6-2:2005 ETechnische Regeln fr Trinkwasser-Installationen Teil 2: PlanungThis European Standard was approved by CEN on 2005-02-03.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
12、 without any alteration.Up-to-date lists and bibliographical references 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 ma
13、de by translation under the responsibility of aCEN member into its 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,
14、Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.EN 806-2March 2005Management Centre: rue de Stassart, 36 B-1050 BrusselsEuropean Committee for Standardizatio
15、nComit Europen de NormalisationEuropisches Komitee fr NormungSpcifications techniques relativesaux installations pour leau destine la consommation humaine lintrieurdes btiments Partie 2: ConceptionPage 2EN 806-2:2005Page 3EN 806-2:2005Page 4EN 806-2:2005Page 5EN 806-2:2005Page 6EN 806-2:2005Page 7EN
16、 806-2:2005Page 8EN 806-2:2005Page 9EN 806-2:2005Page 10EN 806-2:2005Page 11EN 806-2:2005Page 12EN 806-2:2005Page 13EN 806-2:2005Page 14EN 806-2:2005Page 15EN 806-2:2005Page 16EN 806-2:2005Page 17EN 806-2:2005Page 18EN 806-2:2005Page 19EN 806-2:2005Page 20EN 806-2:2005Page 21EN 806-2:2005Page 22EN 806-2:2005Page 23EN 806-2:2005Page 24EN 806-2:2005Page 25EN 806-2:2005Page 26EN 806-2:2005Page 27EN 806-2:2005Page 28EN 806-2:2005
