EN 15632-2-2010 en District heating pipes - Pre-insulated flexible pipe systems - Part 2 Bonded plastic service pipes - Requirements and test method (Incorporates Amendment A1 2014.pdf

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1、BS EN 15632-2:2010ICS 23.040.01NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDDistrict heating pipes Pre-insulated flexible pipe systemsPart 2: Bonded plastic service pipes Requirements and test methodsIncorporating CorrigendumNovember 2011BS EN 15632-2:2010 +A

2、1:2014Incorporating Corrigendum November 2011BS EN 15632-2:2010+A1:2014ISBN 978 0 580 83312 0Amendments/corrigenda issued since publicationDate Comments30 November 2011 Implementation of CEN Correction Notice October 2011: cross reference deleted in Clause 5.2.1.31 January 2015 Implementation of CEN

3、 amendment A1:2014This British Standard was published under the authority of the Standards Policy and Strategy Committee on 28 February 2010 The British Standards Institution 2015. Published by BSI Standards Limited 2015National forewordThis British Standard is the UK implementation of EN 15632-2:20

4、10+A1:2014. It supersedes BS EN 15632-2:2010, which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by

5、.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.The publication does not purport to include all the necessary provisions of a contrac

6、t. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15632-2:2010+A1 December 2014 ICS 23.040.01 Supersedes EN 15632-2:2010English Version District heating pipes - Pr

7、e-insulated flexible pipe systems - Part 2: Bonded plastic service pipes - Requirements and test methods Tuyaux de chauffage urbain - Systmes de tuyaux flexibles prisols - Partie 2: Systme bloqu avec tube de service en plastique - Prescriptions et mthodes dessai Fernwrmerohre - Werkmig gedmmte flexi

8、ble Rohrsysteme - Teil 2: Verbundsysteme mit Mediumrohren aus Kunststoff - Anforderungen und Prfungen This European Standard was approved by CEN on 10 December 2009 and includes Amendment 1 approved by CEN on 8 November 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulations

9、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-CENELEC Management Centre or to any CEN member. This

10、 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-CENELEC Management Centre has the same status as the official versions. CEN membe

11、rs are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portuga

12、l, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form

13、 and by any means reserved worldwide for CEN national Members. Ref. No. EN 15632-2:2010+A1:2014 EEN 15632-2:2010+A1:2014 (E) 2 Contents Page Foreword 3 Introduction .4 1 Scope 5 2 Normative references 5 3 Terms and definitions .6 4 Classification 6 4.1 Operating temperatures and service life .6 4.2

14、Operating pressures 6 5 Requirements .7 5.1 General requirements 7 5.2 Service pipes and fittings .7 5.2.1 Quality .7 5.2.2 Oxygen tightness .7 5.3 Axial shear strength 7 5.4 Linear water tightness .7 5.5 Water vapour permeation .7 6 Test procedures .8 6.1 General 8 6.2 Temperature cycle test 8 6.3

15、Axial shear stress 8 6.4 Linear water tightness .9 Annex A (informative) Application of Miners Rule . 11 Bibliography . 12 BS EN 15632-2:2010+A1:2014EN 15632-2:2010+A1:2014 (E)EN 15632-2:2010+A1:2014 (E) 2 Contents Page Foreword 3 Introduction .4 1 Scope 5 2 Normative references 5 3 Terms and defini

16、tions .6 4 Classification 6 4.1 Operating temperatures and service life .6 4.2 Operating pressures 6 5 Requirements .7 5.1 General requirements 7 5.2 Service pipes and fittings .7 5.2.1 Quality .7 5.2.2 Oxygen tightness .7 5.3 Axial shear strength 7 5.4 Linear water tightness .7 5.5 Water vapour per

17、meation .7 6 Test procedures .8 6.1 General 8 6.2 Temperature cycle test 8 6.3 Axial shear stress 8 6.4 Linear water tightness .9 Annex A (informative) Application of Miners Rule . 11 Bibliography . 12 EN 15632-2:2010+A1:2014 (E) 3 Foreword This document (EN 15632-2:2010+A1:2014) has been prepared b

18、y Technical Committee CEN/TC 107 “Prefabricated district heating pipe systems”, the secretariat of which is held by DS. 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 June 2015, and conflicting n

19、ational standards shall be withdrawn at the latest by June 2015. 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. This document superse

20、des EN 15632-2:2010. This document includes Amendment 1 approved by CEN on 2014-11-08. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. This document is one of a series of standards which form several parts of EN 15632, District heating pipes Pre-i

21、nsulated flexible pipe systems: Part 1: Classification, general requirements and test methods; Part 2: Bonded system with plastic service pipes; requirements and test methods; Part 3: Non bonded system with plastic service pipes; requirements and test methods; Part 4: Bonded system with metal servic

22、e pipes; requirements and test methods. 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, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yug

23、oslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 15632-2:2010+A1:2014EN 15632-2:2010+A1:20

24、14 (E)EN 15632-2:2010+A1:2014 (E) 4 Introduction Pre-insulated flexible bonded pipe systems with plastic service pipes are used in district and local heating networks. This part of the series of standards for the various types of flexible pipe systems is intended to be used in connection with EN 156

25、32-1 which specifies the basic design criteria for flexible district heating pipes. BS EN 15632-2:2010+A1:2014EN 15632-2:2010+A1:2014 (E)EN 15632-2:2010+A1:2014 (E) 4 Introduction Pre-insulated flexible bonded pipe systems with plastic service pipes are used in district and local heating networks. T

26、his part of the series of standards for the various types of flexible pipe systems is intended to be used in connection with EN 15632-1 which specifies the basic design criteria for flexible district heating pipes. EN 15632-2:2010+A1:2014 (E) 5 1 Scope This European Standard provides requirements an

27、d test methods for flexible, pre-insulated, directly buried heating pipes with plastics service pipes and bonding between the layers of the pipes. This European Standard is valid for maximum operating temperatures of 95 C and maximum operating pressures up to 10 bar for a design lifetime of at least

28、 30 years. This European Standard does not cover surveillance systems. NOTE For higher temperatures or for the transport of other fluids, for example potable water, additional requirements and testing is needed. Such requirements are not specified in this European Standard. 2 Normative references Th

29、e following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. !EN 15632-1:2009+A1:2014“, District heating pipes P

30、re-insulated flexible pipe systems Part 1: Classification, general requirements and test methods EN ISO 15875-1, Plastics piping systems for hot and cold water installations Crosslinked polyethylene (PE-X) Part 1: General (ISO 15875-1:2003) EN ISO 15875-2:2003, Plastics piping systems for hot and co

31、ld water installations - Crosslinked polyethylene (PE-X) Part 2: Pipes (ISO 15875-2:2003) EN ISO 15875-3, Plastics piping systems for hot and cold water installations Crosslinked polyethylene (PE-X) Part 3: Fittings (ISO 15875-3:2003) EN ISO 15875-5:2003, Plastics piping systems for hot and cold wat

32、er installations Crosslinked polyethylene (PE-X) Part 5: Fitness for purpose of the system (ISO 15875-5:2003) EN ISO 15876-1, Plastics piping systems for hot and cold water installations Polybutylene (PB) Part 1: General (ISO 15876-1:2003) EN ISO 15876-2, Plastics piping systems for hot and cold wat

33、er installations Polybutylene (PB) Part 2: Pipes (ISO 15876-2:2003) EN ISO 15876-3, Plastics piping systems for hot and cold water installations Polybutylene (PB) Part 3: Fittings (ISO 15876-3:2003) EN ISO 15876-5, Plastics piping systems for hot and cold water installations Polybutylene (PB) Part 5

34、: Fitness for purpose of the system (ISO 15876-5:2003) EN ISO 21003-2, Multilayer piping systems for hot and cold water installations inside buildings Part 2: Pipes (ISO 21003-2:2008) ISO 10147, Pipes and fittings made of crosslinked polyethylene (PE-X) Estimation of the degree of crosslinking by de

35、termination of the gel content ISO 17455, Plastics piping systems Multilayer pipes Determination of the oxygen permeability of the barrier pipe BS EN 15632-2:2010+A1:2014EN 15632-2:2010+A1:2014 (E)EN 15632-2:2010+A1:2014 (E) 6 3 Terms and definitions For the purposes of this document the terms and d

36、efinitions given in !EN 15632-1:2009+A1:2014“ shall apply. 4 Classification 4.1 Operating temperatures and service life Pipe systems according to this European Standard are designed for a service life of at least 30 years when operated with the following temperature profile: 29 years at 80 C + 1 yea

37、r at 90 C + 100 h at 95 C. Other temperature/time profiles can be applied in accordance with ISO 13760 (Miners Rule). Further information is given in Annex A. The maximum operating temperature shall not exceed 95 C. 4.2 Operating pressures Pipe systems according to this European Standard are designe

38、d for continuous operating pressures of 6 bar, 8 bar or 10 bar. Table 1 defines the maximum SDR ratios of the service pipe required to withstand the operating pressures. Table 1 SDR ratios required for different operating pressures Operating Pressure Service pipe 6 bar 8 bar 10 bar PE-X SDR 11 SDR 9

39、 SDR 7,4 PB SDR 13,6 SDR 11 SDR 9 Multilayer pipes Wall thicknesses shall be calculated according to the methods defined in EN ISO 21003-2 The SDR ratios in Table 1 are based on the regression curves of EN ISO 15875-1 and EN ISO 15876-1. Higher SDR ratios may be applied, if they are based on regress

40、ion curves developed in accordance with EN ISO 9080. BS EN 15632-2:2010+A1:2014EN 15632-2:2010+A1:2014 (E)EN 15632-2:2010+A1:2014 (E) 6 3 Terms and definitions For the purposes of this document the terms and definitions given in !EN 15632-1:2009+A1:2014“ shall apply. 4 Classification 4.1 Operating t

41、emperatures and service life Pipe systems according to this European Standard are designed for a service life of at least 30 years when operated with the following temperature profile: 29 years at 80 C + 1 year at 90 C + 100 h at 95 C. Other temperature/time profiles can be applied in accordance wit

42、h ISO 13760 (Miners Rule). Further information is given in Annex A. The maximum operating temperature shall not exceed 95 C. 4.2 Operating pressures Pipe systems according to this European Standard are designed for continuous operating pressures of 6 bar, 8 bar or 10 bar. Table 1 defines the maximum

43、 SDR ratios of the service pipe required to withstand the operating pressures. Table 1 SDR ratios required for different operating pressures Operating Pressure Service pipe 6 bar 8 bar 10 bar PE-X SDR 11 SDR 9 SDR 7,4 PB SDR 13,6 SDR 11 SDR 9 Multilayer pipes Wall thicknesses shall be calculated acc

44、ording to the methods defined in EN ISO 21003-2 The SDR ratios in Table 1 are based on the regression curves of EN ISO 15875-1 and EN ISO 15876-1. Higher SDR ratios may be applied, if they are based on regression curves developed in accordance with EN ISO 9080. EN 15632-2:2010+A1:2014 (E) 7 5 Requir

45、ements 5.1 General requirements In addition to the general requirements defined in EN 15632-1 the following product specific requirements apply. 5.2 Service pipes and fittings 5.2.1 Quality Service pipes and fittings shall comply with: EN ISO 15875-1, EN ISO 15875-2, EN ISO 15875-3, EN ISO 15875-5,

46、for pipes made of crosslinked polyethylene (PE-X), !additionally the pipes shall not fail when tested for 15 000 h at 110 C and at a hoop stress of 2,4 N/mm2. All requirements of the pipe and fitting according to EN ISO 15875-2 and EN ISO 15875-3 especially the degree of cross-linking shall be met b

47、efore leaving the production site.“ EN ISO 15876-1, EN ISO 15876-2, EN ISO 15876-3, EN ISO 15876-5, for pipes made of polybutylene (PB), !additionally the pipes shall not fail when tested for 15 000 h at 110 C and at a hoop stress of 2,2 N/mm2.“ EN ISO 21003-2 for multi-layer pipes. Deviating from t

48、hese standards, temperature cycle tests on service pipes and fittings shall be carried out with test cycle numbers specified in 6.2. 5.2.2 Oxygen tightness The oxygen diffusion of service pipes shall not exceed !1,8 mg/md“ at 80 C when tested according to ISO 17455. !deleted text“ 5.3 Axial shear st

49、rength The axial shear strength between the service pipe and the insulation shall be at least 0,09 MPa for plastics pipes and 0,12 MPa for multi-layer pipes, when tested in accordance with 6.3. The test result shall be determined as an average of five measurements. 5.4 Linear water tightness When tested in accordance with 6.4, the amount of water leaking through any of the pipe ends shall not exceed 100 g after 168 h. 5.5 Water vapour permeation The pipe supplier shall give information about the