EN ISO TR 27165-2012 en Thermoplastics piping systems - Guidance for definitions of wall constructions for pipes《热塑性塑料管道系统 管壁结构的定义指导》.pdf

1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationThermoplastics piping systems Guidance for definitions of wall constructions for pipesPD CEN ISO/TR 27165:2012National forewordThis Published Document is the UK implementation of

2、 CEN ISO/TR27165:2012.The UK participation in its preparation was entrusted to Technical CommitteePRI/88, Plastics piping systems.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions

3、 of acontract. Users are responsible for its correct application. The British Standards Institution 2012Published by BSI Standards Limited 2012ISBN 978 0 580 69854 5ICS 23.040.20; 91.140.60Compliance with a British Standard cannot confer immunity fromlegal obligations.This Published Document was pub

4、lished under the authority of theStandards Policy and Strategy Committee on 30 November 2012.Amendments issued since publicationAmd. No. Date Text affectedPUBLISHED DOCUMENTPD CEN ISO/TR 27165:2012TECHNICAL REPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN ISO/TR 27165 October 2012 ICS 23.040.20; 91.

5、140.60 English Version Thermoplastics piping systems - Guidance for definitions of wall constructions for pipes (ISO/TR 27165:2012) Systmes de canalisations thermoplastiques - Lignes directrices pour les dfinitions relatives la construction des parois de tubes (ISO/TR 27165:2012) Rohrleitungssysteme

6、 aus thermoplastischen Kunststoffen -Anleitung fr die Benennung der Wandkonstruktionen thermoplastischer Rohre (ISO/TR 27165:2012) This Technical Report was approved by CEN on 8 October 2012. It has been drawn up by the Technical Committee CEN/TC 155. CEN members are the national standards bodies of

7、 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, Portugal, Romania, Slovakia, Slovenia, Spain,

8、Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN nation

9、al Members. Ref. No. CEN ISO/TR 27165:2012: EPD CEN ISO/TR 27165:2012CEN ISO/TR 27165:2012 (E) 2 Contents Page Foreword 3PD CEN ISO/TR 27165:2012CEN ISO/TR 27165:2012 (E) 3 Foreword This document (CEN ISO/TR 27165:2012) has been prepared by Technical Committee CEN/TC 155 “Plastics piping systems and

10、 ducting systems“, the secretariat of which is held by NEN, in collaboration with Technical Committee ISO/TC 138 “Plastics pipes, fittings and valves for the transport of fluids“. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CE

11、N and/or CENELEC shall not be held responsible for identifying any or all such patent rights. PD CEN ISO/TR 27165:2012ISO/TR 27165:2012(E) ISO 2012 All rights reserved iiiContents PageIntroduction v1 Scope 12 Normative references . 13 Terms and definitions . 13.1 Materials . 13.2 Coated pipes . 13.3

12、 Solid wall pipes 23.4 Multilayer pipes 23.5 Structured wall pipes . 33.6 Double wall piping system 3PD CEN ISO/TR 27165:2012ISO/TR 27165:2012(E)IntroductionFor thermoplastics piping systems used in pressure and non-pressure applications, there are different wall constructions on the market.Existing

13、 definitions in product standards can vary from those as given in this document.Regarding new developments in this sector, CEN/TC 155 and ISO/TC 138/SC 2 felt it necessary to establish common definitions for wall constructions of pipes to be referenced in a uniform way in product standards. ISO 2012

14、 All rights reserved vPD CEN ISO/TR 27165:2012Thermoplastics piping systems Guidance for definitions of wall constructions for pipes1 ScopeThis Technical Report provides definitions for wall constructions of thermoplastics pipes intended to be used in pressure and non-pressure pipe applications. It

15、takes into account as far as possible already existing definitions in published product standards and gives guidance for a common text when drafting new deliverables or revising existing ones.2 Normative referencesThe following referenced documents are indispensable for the application of this docum

16、ent. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 472:1999, Plastics VocabularyISO 1043-1:2011, Plastics Symbols and abbreviated terms Part 1: Basic polymers and their special charac

17、teristics3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 472:1999 and ISO 1043-1:2011and the following apply.NOTE For specific definitions related to wall constructions of thermoplastics pipes, guidance is given in 3.3, 3.4 and 3.5 as applicable. The

18、definitions refer to the body of the pipe not to the spigots and sockets.3.1 Materials3.1.1materialgeneric term for compositions (compounds/formulations) grouped by families, expressed by generic names, e.g. polypropylene, stainless steel, brass or EPDM3.1.2compoundformulationclearly defined homogen

19、ous mixture of base polymer with additives, e.g. anti-oxidants, pigments, stabilisers and others, at a dosage level necessary for the processing and the intended use of the final productNOTE In water and food contact regulations, the term “composition” is often used instead of compound or formulatio

20、n.3.2 Coated pipes3.2.1coated pipespipe with a peelable, contiguous thermoplastics additional layer on the outside of the pipeNOTE A peelable layer is intended to protect the pipe and shall be removed prior to jointing.TECHNICAL REPORT ISO/TR 27165:2012(E) ISO 2012 All rights reserved 1PD CEN ISO/TR

21、 27165:2012ISO/TR 27165:2012(E)3.3 Solid wall pipes3.3.1solid wall pipepipe made out of one compound/formulation, respectively out of different compounds/formulations with the same MRS for pressure applications or with the same base polymer for non-pressure applications3 3.2solid wall single layered

22、 pipepipe with smooth internal and external surface, extruded from the same compound/formulation throughout the wall3.3.3solid wall multilayered pipepipe with smooth internal and external surface, having co-extruded layers on either or both the outside and/or inside of the pipe, where all layers hav

23、e the same MRS rating for pressure applications or with the same base polymer for non-pressure applications3.4 Multilayer pipes3.4.1multilayer pipespipe comprised of two or more stress designed or functional layers with smooth internal and external surfaces and with adjacent polymeric or metallic la

24、yers not from the same compound/formulation and not the same MRS for pressure applications, respectively, and not with the same base polymer for non-pressure applications3.4.2inner layerlayer in contact with the conveyed fluid3.4.3outer layerlayer exposed to the outer environment3.4.4intermediate la

25、yer(s)embedded layer(s)layer(s) between the internal and external layer3.4.5stress/strain designed layer(s)layer required for the mechanical strength of the pipe3.4.6specific function layerapplication layer(s)layer(s) in addition to the stress designed layer(s) which provide(s) a specific function l

26、inked to the conditions of use and/or performance of the pipe or the conveyed fluidNOTE 1 A specific function can relate to permeability (e.g. oxygen barrier), indication of conveyed fluid (colour), ageing (U.V.-resistance), etc.NOTE 2 A stress design layer may also perform as a specific function la

27、yer or vice-versa.3.4.7multilayer M type wallmultilayer wall comprised of layers of polymeric materials with a thickness of at least 60 % of the total wall thickness, and one or more metallic layersNOTE 1 All layers of a multilayer M pipe are stress-loaded and, therefore, also stress-designed.NOTE 2

28、 Pipes with layers of polymeric materials, together with a thickness less than 60 % of the wall thickness are not considered plastics pipes and are out of the scope of this technical report.2 ISO 2012 All rights reservedPD CEN ISO/TR 27165:2012ISO/TR 27165:2012(E)3.4.8multilayer P type wallmultilaye

29、r wall comprised of more than one stress designed polymeric layer, without any metallic layer, and not of the same compound, nor of the same compound with the same MRS rating for pressure applications, respectively, and not with the same base polymer for non-pressure applications3.4.9metal layer sta

30、ndard dimension ratioSDRmnominal outside diameter, dn, divided by the nominal wall thickness of the metal layer(s)3.4.10polymeric layer standard dimension ratioSDRpnominal outside diameter, dn, divided by the nominal wall thickness of the polymeric layer(s)3.5 Structured wall pipes3.5.1structured wa

31、ll pipespipes having a profiled outer layer or foamed or hollow intermediate layer3.5.2structured-wall construction with hollow sectionswall construction comprised of an outer wall with a smooth external surface and an inner wall with a smooth internal surface, which are connected by internal ribs3.

32、5.3structured-wall construction with a foamed intermediate layerwall construction comprised of an outer layer with a smooth external surface and an inner layer with a smooth internal surface, which are connected by an intermediate layer of foamed material3.5.4structured-wall construction with smooth

33、 inside and profiled outside surfacewall construction with a smooth internal surface and with an external profiled geometry, ribbed, corrugated or spirally formedNOTE The wall can be a single layer or be composed of an inner layer and a profiled outer layer, both layers not necessarily of the same c

34、ompound/formulation.3.5.5structured-wall construction single layer foamedwall construction comprising of a single throughout foamed layer with a smooth internal and external surface3.5.6construction heightradial distance between the top of ribs, corrugation or smooth outside surface of the wall and

35、the inside surface of the wall3.6 Double wall piping system3.6.1double wall piping systempipe system comprising an inner primary pipe and an external secondary pipe containment separated by an interstitial spaceNOTE The system is designed to prevent a leakage from a primary system entering the envir

36、onment and shall enable detection of leakage. ISO 2012 All rights reserved 3PD CEN ISO/TR 27165:2012This page deliberately left blankBSI is the independent national body responsible for preparing British Standards and other standards-related publications, information and services. It presents the UK

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