BS EN 15001-1-2009 Gas infrastructure - Gas installation pipework with an operating pressure greater than 0 5 bar for industrial installations and greater than 5 bar for industrialc.pdf

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11、1-1July 2009ICS 23.040.01English VersionGas Infrastructure - Gas installation pipework with an operatingpressure greater than 0,5 bar for industrial installations andgreater than 5 bar for industrial and non-industrial installations -Part 1: Detailed functional requirements for design, materials,con

12、struction, inspection and testingInfrastructures gazires - Canalisations dinstallations degaz avec une pression de service suprieure 0,5 bar pourles installations industrielles et suprieures 5 bar pour lesinstallations industrielles et non industrielles (domestiqueset commerciales) - Partie 1: Exige

13、nces fonctionnellesdtailles relative la conception, aux matriaux, laconstruction, linspection et aux essaisGasinfrastruktur - Gas-Leitungsanlagen mit einemBetriebsdruck grer 0,5 bar fr industrielle Installationenund grer 5 bar fr industrielle und nicht-industrielleInstallationen - Teil 1: Detaillier

14、te funktionaleAnforderungen an Planung, Material, Bau, Inspektion undPrfungThis European Standard was approved by CEN on 16 May 2009.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national stan

15、dard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards 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 l

16、anguage made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finla

17、nd,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 STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE

18、 FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15001-1:2009: EBS EN 15001-1:2009EN 15001-1:2009 (E) 2 Contents Page Foreword 4g31 Scope 5g32 Normative references 7

19、g33 Terms and definitions 12g33.1 Definitions relating to pressure . 12g33.2 Definitions relating to the gas installation . 13g33.3 Definition relating to means of isolation 14g33.4 Definitions relating to jointing methods . 14g33.5 Definitions relating to components 15g33.6 Definitions relating to

20、tests . 16g33.7 Definition relating to testing and inspection . 16g33.8 Definitions relating to assembly processes for metallic materials . 16g33.9 Definitions relating to pressure regulating and metering 17g34 General . 17g34.1 Quality system 17g34.2 Selection of materials . 18g34.3 Protection agai

21、nst hazards 18g34.4 Accommodation and location of gas pressure regulating and metering systems, gas pressure compressors and gas mixing systems 19g35 Materials 20g35.1 Standards and specifications for pipes and pipe fittings 20g35.2 Ancillaries 24g35.3 Gas pressure regulating and safety systems 25g3

22、6 Design of pipework . 26g36.1 General . 26g36.2 Layout 27g36.3 Dimensioning 28g36.4 Pressure and wall thickness 28g36.5 Safety engineering 35g36.6 Detail engineering . 39g36.7 Hot tapping carbon steel pipe . 51g37 Design of pressure control systems. 52g37.1 General . 52g37.2 Pressure regulating sys

23、tem . 53g37.3 Instrumentation . 53g37.4 Permanent bypasses 54g37.5 Construction requirements 54g37.6 Low gas temperature 56g37.7 Gas compressors 57g37.8 Safety systems 57g38 Construction 61g38.1 Identification of the installation . 61g38.2 External hazards . 62g38.3 Gas pipework passing through exte

24、rior walls . 62g38.4 Identification of pipework 64g38.5 Specifications and requirements for joints 65g38.6 Joint suitability 69g38.7 Connections 70g3BS EN 15001-1:2009EN 15001-1:2009 (E) 3 8.8 Corrosion protection . 71g38.9 Handling and installation of pipework 78g38.10 Bending of pipes . 80g38.11 W

25、elding of supports and anchor points to carbon steel pipework 81g38.12 Installation of pressure regulating systems . 82g39 Documentation, inspection and testing 83g39.1 General . 83g39.2 Documentation 84g39.3 Inspection . 84g39.4 Testing 87g3Annex A (informative) Example schematic diagrams of instal

26、lation options for gas pressure regulating systems 91g3Annex B (informative) Examples of methods for testing 93g3B.1 General . 93g3B.2 Strength test on metallic pipework 93g3B.3 Tightness test on metallic pipework . 95g3B.4 Strength and tightness test on PE pipework 98g3Annex C (informative) Flammab

27、le gases mixing systems 101g3C.1 Reverse flow 101g3C.2 Control of mixture composition . 101g3C.3 Matching pressures of components for mixing . 103g3Annex D (informative) Examples of supports 104g3Annex E (normative) Materials 111g3E.1 General . 111g3E.2 Materials with a demonstrated safe history of

28、application in this type of equipment . 112g3Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC 115g3Bibliography 117g3BS EN 15001-1:2009EN 15001-1:2009 (E) 4 Foreword This document (EN 15001-1:2009) has been prepared by Technic

29、al Committee CEN/TC 234 “Gas Infrastructure”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2010, and conflicting national standards shall be wit

30、hdrawn at the latest by January 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. Annexes A to D are informative. The normative An

31、nex E of this document lists some suitable materials for pipework, in addition to the materials listed in Clause 5. This standard includes requirements concerning current design practice and reflects the state of the art at the time of publication. It provides clear solutions for users of the standa

32、rd. Other design solutions and construction materials, as well as new developments, may be used if equal or greater safety than that required by this EN can be demonstrated or established. There is a complete suite of functional standards prepared by CEN/TC 234 “Gas infrastructure” to cover all part

33、s of the gas supply system from the input of gas to the transmission system up to the inlet connection of the gas appliances, whether for residential, commercial or industrial purposes. In preparing this standard, a basic understanding of gas supply by the user has been assumed. Gas supply systems a

34、re complex and the importance on safety of their construction and use has led to the development of very detailed codes of practice and operating manuals in the member countries. These detailed statements embrace recognised standards of gas engineering and the specific requirements imposed by the le

35、gal structures of the member countries. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Gr

36、eece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 15001-1:2009EN 15001-1:2009 (E) 5 1 Scope This European Standard specifies detailed functional re

37、quirements for the design, selection of materials, construction, inspection and testing of industrial gas installation pipework and assemblies with an operating pressure greater than 0,5 bar, and non-industrial gas installation pipework (residential and commercial) with an operating pressure greater

38、 than 5 bar in buildings, starting from the outlet of the network operators point of delivery up to the inlet connection to the gas appliance; normally the inlet isolation valve. This standard also covers the inlet connection to the gas appliance comprising of the pipework that does not fall within

39、the scope of the appliance standard. NOTE The use of the term installation and pipework is interchangeable. This standard applies to gas installations operating at ambient temperatures between - 20 C and 40 C and operating pressures up to and including 60 bar. For operating conditions outside these

40、limitations, reference should additionally be made to EN 13480 for metallic pipework. For industrial gas installations up to and including 0,5 bar and for non-industrial (residential and commercial) gas installations up to and including 5 bar in buildings, EN 1775 applies. For gas installations that

41、 do not fall within the scope of EN 1775 or other European Standards, this standard applies. In this standard, the term “gas“ refers to combustible gases, which are gaseous at 15 C and 1 013 mbar absolute atmospheric pressure (normal conditions). These gases are commonly referred to as manufactured

42、gas, natural gas or Liquefied Petroleum Gas (LPG). They are also referred to as first, second or third family gases (see Table 1 of EN 437:2003). The given values are considered as normal conditions for all volumes given in this standard. LPG storage vessels (including all ancillaries fitted directl

43、y to storage vessels) are excluded. Also excluded are LPG installations and sections of LPG installations operating at vapour pressure in the liquid state (e.g. between the storage vessel and any pressure regulator). In this standard, all pressures are gauge pressures unless otherwise stated. This s

44、tandard has been harmonised to address the essential safety requirements of the Pressure Equipment Directive (PED, 97/23/EC) relevant for the joining of gas installation pipework (assemblies) falling within the scope of the PED. These are listed in Annex ZA. However, “this Directive does not cover t

45、he assembly of pressure equipment on the site and under the responsibility of the user, as in the case of industrial installations” (PED, Preamble, 5threcital, last paragraph). Although in this respect, the standard takes into account the essential safety requirements of the PED, no inference can be

46、 drawn from this as to whether or not the installation or parts of the installation falls within the scope of the PED. Reference should be made to the PED and national legislation. This European Standard specifies common basic principles for gas supply systems. Users of this European Standard should

47、 be aware that more detailed national standards and/or code of practice may exist in the CEN member countries. This European Standard is intended to be applied in association with these national standards and/or codes of practice setting out the above-mentioned basic principles. BS EN 15001-1:2009EN

48、 15001-1:2009 (E) 6 In the event of conflicts in terms of more restrictive requirements in national legislation/regulation with the requirements of this standard, the national legislation/regulation shall take precedence as illustrated in CR 13737. This provision does not apply to requirements that

49、are harmonised to directive 97/23/EC (see Annex ZA). This CR 13737 gives: clarification of all legislations/regulations applicable in a country; if appropriate, more restrictive national requirements thereof; a national contact point for the latest information. Functional requirements for commissioning, operation and maintenance of industrial gas installations and assemblies with an operating pressure greater than 0,5 bar and of gas installations greater than 5 bar in buildings and areas intended for non-industrial installations greater than 5 b