SVENSK STANDARD SS-EN 253/A1:2005 Fastställd 2005-12-01 Utgåva 1 Fjärrvärmesystem Förisolerade rörsystem med fast förband mellan värmeisolering och medierör respektive mantelrör för direkt markförlagd distribution av hetvatten Rörenhet bestående av raka medierör av stål, värmeisolering av hård polyuretancellplast (PURskum) och mantelrör av polyetenplast (PE) District Heating Pipes Preinsulated bonded pipe systems for directly buried hot water networks Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene ICS 23.040.01; 23.040.10; 23.040.99 Språk: engelska Publicerad: februari 2006 Copyright SIS. Reproduction in any form without permission is prohibited.
Europastandarden EN 253:2003/A1:2005 gäller som svensk standard. Detta dokument innehåller den officiella engelska versionen av EN 253:2003/A1:2005. The European Standard EN 253:2003/A1:2005 has the status of a Swedish Standard. This document contains the official English version of EN 253:2003/A1:2005. Upplysningar om sakinnehållet i standarden lämnas av SIS, Swedish Standards Institute, telefon 08-555 520 00. Standarder kan beställas hos SIS Förlag AB som även lämnar allmänna upplysningar om svensk och utländsk standard. Postadress: SIS Förlag AB, 118 80 STOCKHOLM Telefon: 08-555 523 10. Telefax: 08-555 523 11 E-post: sis.sales@sis.se. Internet: www.sis.se
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN 253:2003/A1 November 2005 ICS 23.040.10 English Version District Heating Pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene Tuyaux de chauffage urbain - Systèmes bloqués de tuyaux pré-isolés pour les réseaux d'eau chaude enterrés directement - Tube de service en acier, isolation thermique en polyuréthane et tube de protection en polyéthylène Fernwärmerohre - Werkmäßig gedämmte Verbundmantelrohrsysteme für direkt erdverlegte Fernwärmenetze - Verbund-Rohrsystem bestehend aus Stahl-Mediumrohr, Polyurethan-Wärmedämmung und Außenmantel aus Polyethylen This amendment A1 modifies the European Standard EN 253:2003; it was approved by CEN on 7 October 2005. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of this amendment into the relevant national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This amendment exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 253:2003/A1:2005: E
EN 253:2003/A1:2005 (E) Contents page Foreword...3 Introduction...4 1 Changes to sub-clause 4.3...5 1.1 Change to sub-clause 4.3.2.1...5 1.2 Change to sub-clause 4.3.2.2...5 1.3 Deletion of sub-clause 4.3.2.3...7 2 Changes to sub-clause 4.5.2...7 3 Deletion of sub-clause 5.4.1...8 4 Change to Annex D...8 4.1 Annex D, Table D.4 clause 4.5.1...8 4.2 Annex D, Table D.4, clause 4.5.2...8 2
EN 253:2003/A1:2005 (E) Foreword This European Standard (EN 253:2003/A1:2005) has been prepared by Technical Committee CEN/TC 107 Prefabricated District Heating pipe Systems, the secretariat of which is held by DS. This Amendment to the European Standard EN 253:2003 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2006, and conflicting national standards shall be withdrawn at the latest by May 2006. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. 3
EN 253:2003/A1:2005 (E) Introduction This European Standard contains amendments to EN 253:2003 concerning outside diameter and wall thickness of the casing. The changes are based on the latest experience. 4