BS EN 13941-2009 design and installation of preinsulated bonded pipe systems for district heating
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ID： |
B1A622EF6A7F474AA4AE810054D5A338 |
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文件大小(MB)： |
2.25 |
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页数： |
124 |
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文件格式： |
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日期： |
2010-8-8 |
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文本摘录（文本识别可能有误，但文件阅览显示及打印正常，pdf文件可进行文字搜索定位）：
BS EN 13941:2009,ICS 91.140.10,NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW,BRITISH STANDARD,Design and installation,of preinsulated bonded,pipe systems for,district heating,This British Standard,was published under the,authority of the Standards,Policy and Strategy,Committee on 31 July 2009,. BSI 2009,ISBN 978 0 580 63981 4,Amendments/corrigenda issued since publication,Date Comments,BS EN 13941:2009,National foreword,This British Standard is the UK implementation of EN 13941:2009. It,supersedes BS EN 13941:2003 which is withdrawn.,The UK participation in its preparation was entrusted to Technical,Committee RHE/9, Insulated underground pipelines.,A list of organizations represented on this committee can be obtained on,request to its secretary.,This publication does not purport to include all the necessary provisions,of a contract. Users are responsible for its correct application.,Compliance with a British Standard cannot confer immunity,from legal obligations.,BS EN 13941:2009,EUROPEAN STANDARD,NORME EUROPéENNE,EUROP腎SCHE NORM,EN 13941,July 2009,ICS 91.140.10 Supersedes EN 13941:2003,English Version,Design and installation of preinsulated bonded pipe systems for,district heating,Conception et installation des systèmes bloqués de tuyaux,préisolés pour les réseaux enterrés d'eau chaude,Auslegung und Installation von werkm溥ig ged鋗mten,Verbundmantelrohren für die Fernw鋜me,This European Standard was approved by CEN on 23 May 2009.,CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European,Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national,standards may be obtained on application to the CEN Management Centre or to any CEN member.,This European Standard 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 CEN Management Centre has the same status as the,official versions.,CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.,EUROPEAN COMMITTEE FOR STANDARDIZATION,COMITé EUROPéEN DE NORMALISATION,EUROP腎SCHES KOMITEE FüR NORMUNG,Management Centre: Avenue Marnix 17, B-1000 Brussels,. 2009 CEN All rights of exploitation in any form and by any means reserved,worldwide for CEN national Members.,Ref. No. EN 13941:2009: E,EBNS 1E3N9 4113:924010:92 0(E09),2,Contents Page,Foreword 5,Introduction .. 6,1 Scope .. 8,2 Normative references . 8,3 Terms and definitions, units and symbols 10,3.1 Terms and definitions . 10,3.2 Units and symbols 14,4 General considerations for system design .. 17,4.1 General requirements . 17,4.2 Service life. 17,4.3 Preliminary investigations 17,4.4 Determination of project class .. 18,4.5 Design documentation 20,5 Components and materials . 23,5.1 Basic requirements .. 23,5.2 Steel pipe components .. 24,5.3 Polyurethane foam insulation 27,5.4 PE casing .. 27,5.5 Expansion cushions 27,5.6 Valves and accessories . 27,6 Actions and limit states . 28,6.1 General 28,6.2 Simplified analysis procedure .. 30,6.3 Actions 30,6.4 Limit states 32,7 Installation. 42,7.1 General 42,7.2 Transportation and storage . 42,7.3 Excavation of pipe trench . 43,7.4 Installation of pipes and components .. 43,7.5 Welding of the steel pipe and testing of the steel welds . 44,7.6 Strength pressure test and leak tightness test .. 52,7.7 Assembly of casing pipes, joint installation and site insulation . 53,7.8 Backfilling of trench . 54,7.9 Pipe bends and other components 55,7.10 Setting into operation . 56,7.11 Special constructions . 56,7.12 Construction work during the operation stage .. 57,Annex A (normative) Design of piping components under internal pressure . 58,A.1 General 58,A.2 Symbols .. 58,A.3 Straight pipe and bends 59,A.3.1 Straight pipes . 59,A.3.2 Bends 59,A.4 Tees and branch connections 59,A.4.1 General aspects and limitations .. 59,A.4.2 Reinforcement 60,BESN E 1N3 914319:4210:0290 0(E9),3,A.5 Reducers and extensions . 62,A.5.1 General 62,A.5.2 Minimum wall thickness of the cone . 62,A.5.3 Offset reducers .. 63,A.6 Dished ends . 63,A.6.1 General 63,A.6.2 Minimum required wall thickness for internal pressure .. 64,A.6.3 Straight cylindrical shells . 64,Anne……
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