EN ISO 21003-3-2008 en Multilayer piping systems for hot and cold water installations inside buildings - Part 3 Fittings《建筑内热水冷水安装用多层管道系统 第3部分 配件》.pdf

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1、BRITISH STANDARDBS EN ISO 21003-3:2008Multilayer piping systems for hot and cold water installations inside buildings Part 3: FittingsICS 23.040.45; 91.140.60g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g5

2、5g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN ISO 21003-3:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 August 2008 BSI 2008ISBN 978 0 580 55372 1National forewordThis British Standard is the UK implementation of EN

3、 ISO 21003-3:2008.The UK participation in its preparation was entrusted by Technical Committee PRI/88, Plastics piping systems, to Subcommittee PRI/88/2, Plastic piping for pressure applications.The UK Committee would like to emphasise that compliance with this British Standard does not necessarily

4、mean that products are fit for non-potable hot water pipes. The requirements contained in this standard are not necessarily indicative of all the performance requirements, or the suitability of pipework for the service conditions likely to be encountered in a particular pipework application in the U

5、K. In particular: (i) The normal maximum operating cold water supply pressure in the UK is 12.5 bar, a pressure that some application classes of pipe in this standard do not meet. (ii) This standard does not specifically describe push-fit joints that are the predominant jointing method in the UK but

6、 defines mechanical fittings in general. (iii) There is a disparity between the malfunction temperature (100 C) quoted in Table 1 of Part 1 of this standard and the malfunction temperatures applicable to boilers (110 C) conforming to BS EN 297:1994, BS EN 483:2000 and BS EN 625:1996. Current UK prac

7、tice can be found in BS 7291-1 which should be consulted when applying this standard. Pipe systems not conforming to BS 7291-1 could be subjected to temperatures in service for which they have not been tested. (iv) The unique and traditional practice in the UK is to use products certified to BS 7291

8、 Class S for all applications, as defined in BS 7291-1. This is recognized in the National Annex to BS EN 12828 that requires the use of systems suitable for the maximum temperatures and pressures for their intended application specified in BS 7291-1. This standard does not replace BS 7291 Parts 1,

9、2 and 3 (Class S) which contain detailed requirements for performance and contact with drinking water for pipes, fittings and joints manufactured from Polybutylene and PEX materials. Amendments/corrigenda issued since publicationDate CommentsBS EN ISO 21003-3:2008iIn addition to the above, pipes con

10、forming to this standard may also be required to convey water intended for human consumption. The legislation setting out the requirements for water supply installations in the UK is as follows: the Water Supply (Water Quality) Regulations 2000, Regulation 31 (England); the Water Supply (Water Quali

11、ty) Regulations 2001, Regulation 31 (Wales); the Water Supply (Water Quality) Regulations 2001, Regulation 27 (Scotland); the Water Supply (Water Quality) Regulations 2007, Regulation 30 (Northern Ireland) for installations for public water supplies; the Water Supply (Water Fittings) Regulations 199

12、9 (England and Wales); the Water Byelaws 2000 (Scotland); and the current requirements for Northern Ireland for installations for consumers premises. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all th

13、e necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. blankEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 21003-3July 2008ICS 23.040.45; 91.140.60English VersionMultilayer pipi

14、ng systems for hot and cold water installationsinside buildings - Part 3: Fittings (ISO 21003-3:2008)Systmes de canalisations multicouches pour installationsdeau chaude et froide lintrieur des btiments - Partie 3:Raccords (ISO 21003-3:2008)Mehrschichtverbund-Rohrleitungssysteme fr die Warm-und Kaltw

15、asserinstallation innerhalb von Gebuden - Teil 3:Formstcke (ISO 21003-3:2008)This European Standard was approved by CEN on 15 June 2008.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 s

16、tandard 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 othe

17、r language 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, Fi

18、nland,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 KOMI

19、TEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 21003-3:2008: EForeword This document (EN ISO 21003-3:2008) has been prepared by Technical Committee ISO/TC

20、 138 “Plastics pipes, fittings and valves for the transport of fluids“ in collaboration with Technical Committee CEN/TC 155 “Plastics piping systems and ducting systems”, the secretariat of which is held by NEN. This European Standard shall be given the status of a national standard, either by publi

21、cation of an identical text or by endorsement, at the latest by January 2009, and conflicting national standards shall be withdrawn at the latest by January 2009. 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

22、shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EC Directive(s). For relationship with EC Directive(s),

23、 see informative Annex ZA, B, C or D, which is an integral part of this document. 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, Denm

24、ark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 21003-3:2008 has been appr

25、oved by CEN as a EN ISO 21003-3:2008 without any modification. BS EN ISO 21003-3:2008iiiContents Page Introduction iv 1 Scope . 1 2 Normative references . 1 3 Terms and definitions. 3 4 Symbols and abbreviated terms . 3 5 Material characteristics 3 5.1 Plastics fitting materials specified in referen

26、ce product standards . 3 5.2 Plastics fitting materials not specified in reference product standards. 3 5.3 Metallic fitting material. 4 5.4 Influence on water intended for human consumption 4 6 General characteristics 4 6.1 Appearance . 4 6.2 Opacity. 4 7 Geometrical characteristics. 4 7.1 General.

27、 4 7.2 Dimensions of sockets for socket weld, electrofusion and solvent-cemented fittings 4 7.3 Dimensions of metallic fittings 5 8 Mechanical characteristics of plastics fittings (internal pressure test) 5 8.1 General. 5 8.2 Plastics fitting materials specified in reference product standards . 5 8.

28、3 Plastics fitting materials not specified in reference product standards. 5 9 Physical and chemical characteristics of plastics fittings. 6 9.1 Plastics fitting materials specified in reference product standards . 6 9.2 Plastics fitting materials not specified in reference product standards. 6 9.3

29、Sealing elements. 6 10 Performance requirements 6 11 Marking 7 11.1 General requirements. 7 11.2 Minimum required marking 7 Annex A (normative) List of reference product standards 8 Bibliography . 9 BS EN ISO 21003-3:2008ivIntroduction The system standard of which this is Part 3 specifies the requir

30、ements for a multilayer piping system. The multilayer piping system is intended to be used for hot and cold water installations inside buildings. In respect of potentially adverse effects on the quality of water intended for human consumption caused by the products covered by ISO 21003: no informati

31、on is provided as to whether the products may be used without restriction in any of the member states of the EU or EFTA; it should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulations concerning the use and/or the characteristics of these products

32、 remain in force. Requirements and test methods for materials and components other than fittings are specified in ISO 21003-1 and ISO 21003-2. Characteristics for fitness for purpose (mainly for joints) are covered in ISO 21003-5. ISO/TS 21003-7 gives guidance on the assessment of conformity. This p

33、art of ISO 21003 specifies the characteristics of fittings. Other system standards which, at the date of publication of this part of ISO 21003, had been published for plastics piping systems used for the same application are listed in Annex A. BS EN ISO 21003-3:20081Multilayer piping systems for hot

34、 and cold water installations inside buildings Part 3: Fittings 1 Scope This part of ISO 21003 specifies the characteristics of fittings for multilayer piping systems intended to be used for hot and cold water installations inside buildings for the conveyance of water whether or not the water is int

35、ended for human consumption (domestic systems) or for heating systems under specified design pressures and temperatures appropriate to the class of application (see Table 1 of ISO 21003-1:2008). It also specifies the test parameters for the test methods referred to in this part of ISO 21003. ISO 210

36、03 is a reference product standard. It is applicable to multilayer pipes, fittings, their joints, and also to joints with components made of other plastics and non-plastics materials intended to be used for hot and cold water installations. This part of ISO 21003 is intended for use only in conjunct

37、ion with all the other parts of ISO 21003. This part of ISO 21003 covers fusion, solvent-cemented and mechanical fittings for a range of service conditions (application classes) and design pressures. It is not applicable for values of design temperature, TD, maximum design temperature, Tmax, and mal

38、function temperature, Tmal, in excess of those in Table 1 of ISO 21003-1:2008. NOTE 1 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation

39、 practices or codes. The polymeric materials used for the stress-designed layers are the following: polybutylene (PB), polyethylene of raised temperature resistance (PE-RT), crosslinked polyethylene (PE-X), polypropylene (PP) and chlorinated poly(vinyl chloride) (PVC-C). The PE-X used shall be fully

40、 crosslinked and shall comply with the requirements of the relevant reference product standard (ISO 15875). NOTE 2 For the purposes of ISO 21003, crosslinked polyethylene (PE-X) as well as adhesives are considered as thermoplastic materials. 2 Normative references The following referenced documents

41、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. ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads Part

42、 1: Dimensions, tolerances and designation ISO 1167-1, Thermoplastics pipes, fittings and assemblies for the conveyance of fluids Determination of the resistance to internal pressure Part 1: General method BS EN ISO 21003-3:20082 ISO 1167-2, Thermoplastics pipes, fittings and assemblies for the conv

43、eyance of fluids Determination of the resistance to internal pressure Part 2: Preparation of pipe test pieces ISO 1167-3, Thermoplastics pipes, fittings and assemblies for the conveyance of fluids Determination of the resistance to internal pressure Part 3: Preparation of components ISO 1167-4, Ther

44、moplastics pipes, fittings and assemblies for the conveyance of fluids Determination of the resistance to internal pressure Part 4: Preparation of assemblies ISO 3126, Plastics piping systems Plastics components Determination of dimensions ISO 7686, Plastics pipes and fittings Determination of opaci

45、ty ISO 9080, Plastics piping and ducting systems Determination of the long-term hydrostatic strength of thermoplastics material in pipe form by extrapolation ISO 15874-3, Plastics piping systems for hot and cold water installations Polypropylene (PP) Part 3: Fittings ISO 15875-3, Plastics piping sys

46、tems for hot and cold water installations Crosslinked polyethylene (PE-X) Part 3: Fittings ISO 15876-3, Plastics piping systems for hot and cold water installations Polybutylene (PB) Part 3: Fittings ISO 15877-3, Plastics piping systems for hot and cold water installations Chlorinated poly(vinyl chl

47、oride) (PVC-C) Part 3: Fittings ISO 21003-1:2008, Multilayer piping systems for hot and cold water installations inside buildings Part 1: General ISO 21003-2, Multilayer piping systems for hot and cold water installation inside buildings Part 2: Pipes ISO 21003-5, Multilayer piping systems for hot a

48、nd cold water installations inside buildings Part 5: Fitness for purpose of the system ISO 22391-3:1), Plastics piping systems for hot and cold water installations Polyethylene of raised temperature resistance (PE-RT) Part 3: Fittings EN 681-1, Elastomeric seals Materials requirements for pipe joint

49、 seals used in water and drainage applications Part 1: Vulcanized rubber EN 681-2, Elastomeric seals Materials requirements for pipe joint seals used in water and drainage applications Part 2: Thermoplastic elastomers EN 1254-3, Copper and copper alloys Plumbing fittings Part 3: Fittings with compression ends for use with plastics pipes EN 10088-1, Stainless steels Part 1: List of stainless steels EN 10226-1, Pipe threads where pressure tight joints are made on the threads

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