1、 ISO 2016 Wrapped electrofoaming joints for polyethylene (PE) piping systems with smooth outer wall for gravity drains and sewers Enveloppes dassemblage lectro-expansibles pour les systmes de canalisations en polythylne (PE) paroi extrieure lisse pour les collecteurs et branchements dassainissement
2、gravitaire TECHNICAL SPECIFICATION ISO/TS 17902 Reference number ISO/TS 17902:2016(E) First edition 2016-11-15 ISO/TS 17902:2016(E)ii ISO 2016 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publicat
3、ion may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country
4、of the requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.org ISO/TS 17902:2016(E)Foreword iv Introduction v 1 Scope . 1 2 Normative references 1 3 T erms and definitions . 2 3.1 General
5、terms and definitions . 2 3.2 Geometrical terms and definitions 2 3.3 Material terms and definitions 3 4 Symbols and abbreviated terms . 4 4.1 Symbols . 4 4.2 Abbreviated terms . 4 5 Material 4 5.1 Material for the main layer . 4 5.2 Material for the foaming layer . 4 6 General requirements . 4 6.1
6、General description of the wrapped electrofoaming joints 4 6.2 Appearance 5 6.3 Colour 6 6.4 Electrical properties . 6 7 Geometrical characteristics 6 7.1 General . 6 7.2 Dimensions of the wrapped electrofoaming joint 6 7.3 Dimensions of the clamping band 8 8 Mechanical characteristics 8 8.1 Joint m
7、aterial integrity . 8 8.2 Other mechanical characteristics 8 8.2.1 Preparations and pretreatment of test pieces 8 8.2.2 Test conditions and requirements 8 9 Performance requirements . 9 10 Marking 9 10.1 General . 9 10.2 Minimum required marking 9 Annex A (informative) Wrapped electrofoaming joint j
8、oining procedure guide 11 Bibliography .13 ISO 2016 All rights reserved iii Contents Page ISO/TS 17902:2016(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards i
9、s normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take par
10、t in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particu
11、lar the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of thi
12、s document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.
13、iso.org/patents). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement. For an explanation on the meaning of ISO specific terms and expressions related to conformit y assessment, as well as information about ISOs adherence to t
14、he World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html. The committee responsible for this document is ISO/TC 138, Plastics pipes, fittings and valves for the transport of fluids, Subcommittee SC 1, Plastics pipes an
15、d fittings for soil, waste and drainage (including land drainage).iv ISO 2016 All rights reserved ISO/TS 17902:2016(E) Introduction This document is the specification for electrofoaming plastic pipe joints used in non-pressure underground drainage and sewerage for polyethylene (PE) piping systems wi
16、th smooth outer wall. The wrapped electrofoaming joints may also be applied to pipes with diametrically deviated pipe ends. The installation procedures specified in this document are intended to describe the proper joining method of electrofoaming joints. An informative guidance for the joining proc
17、edure of products complying with this document is provided in Annex A. ISO 2016 All rights reserved v Wrapped electrofoaming joints for polyethylene (PE) piping systems with smooth outer wall for gravity drains and sewers 1 Scope This document specifies the definitions and requirements for wrapped e
18、lectrofoaming joints for polyethylene (PE) piping systems with smooth outer wall for underground drains and sewer without pressure. This document specifies product range, material characteristics, test methods and test parameters, dimension and characteristics of wrap. This document is applicable to
19、 jointing pipes which have external wall thickness greater than 1,4 mm and a diameter up to DN/OD 2000, or DN/ID 2200. NOTE 1 For dimensions larger than DN/OD 2000, or DN/ID 2200, this document can serve as a general guide regarding appearance, colour, physical and mechanical characteristics as well
20、 as performance requirements. NOTE 2 Such products are intended to be used with pipes made from virgin and reworked materials. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dat
21、ed references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 1167-1, Thermoplastics pipes, fittings and assemblies for the conveyance of fluids Determination of the resistance to internal pressure Part 1:
22、 General method ISO 1167-2, Thermoplastics pipes, fittings and assemblies for the conveyance of fluids Determination of the resistance to internal pressure Part 2: Preparation of pipe test pieces ISO 1183-1, Plastics Methods for determining the density of non-cellular plastics Part 1: Immersion meth
23、od, liquid pyknometer method and titration method ISO 3126, Plastics piping systems Plastics components Determination of dimensions ISO 8772, Plastics piping systems for non-pressure underground drainage and sewerage Polyethylene (PE) ISO 12162, Thermoplastics materials for pipes and fittings for pr
24、essure applications Classification, designation and design coefficient ISO 13254, Thermoplastics piping systems for non-pressure applications Test method for watertightness ISO 13953, Polyethylene (PE) pipes and fittings Determination of the tensile strength and failure mode of test pieces from a bu
25、tt-fused joint ISO 21138-1, Plastics piping systems for non-pressure underground drainage and sewerage Structured- wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) Part 1: Material specifications and performance criteria for pipes, fittings
26、and system ISO 21138-2, Plastics piping systems for non-pressure underground drainage and sewerage Structured- wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) Part 2: Pipes and fittings with smooth external surface, Type A TECHNICAL SPECIFI
27、CATION ISO/TS 17902:2016(E) ISO 2016 All rights reserved 1 ISO/TS 17902:2016(E) 3 T erms a nd definiti ons For the purposes of this document, the terms and definitions given in ISO 4435, ISO 8772, ISO 21138-1, ISO 21138-2, ISO 13272, and ISO 1043-1 and the following apply. ISO and IEC maintain termi
28、nological databases for use in standardization at the following addresses: IEC Electropedia: available at http:/ /www.electropedia.org/ ISO Online browsing platform: available at http:/ /www.iso.org/obp 3.1 Gener al t erms and definitions 3.1.1 s t r u c t u r e d - w a l l p i p e s a n d f i t t i
29、 n g s products that have an optimized design with regard to material usage to achieve the physical, mechanical and performance requirements of ISO 21138-1 3.1.2 s o l i d - w a l l p i p e a n d f i t t i n g polyethylene pipe and fitting intended for use for non-pressure underground draining and s
30、ewerage Note 1 to entry: Products defined by this term shall comply with ISO 8772. 3.1.3 main layer PE layer to maintain the foaming layer in contact with the pipe surfaces 3.1.4 foaming layer PE layer to which substances are added in order to ensure expansion under specified heating conditions, to
31、obtain the final properties of the jointing 3.1.5 wrapped electrofoaming joint joint consisting of a main layer (3.1.3) and a foaming layer (3.1.4) and which can be wrapped around the pipes 3.1.6 clamping band metallic ancillary maintaining the wrapped electrofoaming joint (3.1.5) in position during
32、 the assembly procedure and which can be removed after cooling 3.1.7 electrofusion welding machine electric power source that supplies constant current and/or voltage to connect the pipe with the wrapped electrofoaming joint (3.1.5) 3.2 Geometrical t erms and definitions 3.2.1 nominal size DN numeri
33、cal designation of the size of a component, other than a component designated by thread size, which is approximately equal to the manufacturing dimension in millimetres 3.2.2 nominal size DN/OD nominal size related to the outside diameter2 ISO 2016 All rights reserved ISO/TS 17902:2016(E) 3.2.3 nomi
34、nal size DN/ID nominal size related to the inside diameter 3.2.4 nominal diameter d n specified diameter, in millimetres, assigned to a nominal size (DN/OD or DN/ID) 3.2.5 outside diameter d e value of the measurement of the outside diameter through its cross-section at any point of a pipe or fittin
35、g, rounded to the next greater 0,1 mm 3.2.6 mean inside diameter d im average value of a number of equally spaced measurements of inside diameter in the same cross-section of a pipe or fitting 3.2.7 m i n i m u m f i t t i n g w a l l t h i c k n e s s e min measured fitting wall thickness at any po
36、int of the body of a component 3.3 Mat erial t erms and definitions 3.3.1 virgin material material in form such as granules or powder that have not been subjected to use or processing other than that required for their manufacture and to which no reprocessable or recyclable materials have been added
37、 3.3.2 own reprocessable material material prepared from rejected unused pipes or fittings, including trimmings from the production of pipes and fittings, that will be reprocessed in a manufacturers plant after having been previously processed by the same manufacturer by a process such as moulding o
38、r extrusion and for which the complete formulation is known 3.3.3 external reprocessable material material comprising either one of the following: a) material from rejected unused pipes or fittings, or trimmings there from, that will be reprocessed and that were originally processed by another manuf
39、acturer; b) material from the production of unused thermoplastics products other than pipes and fittings, regardless of where they are manufactured 3.3.4 recyclable material material comprising either one of the following: a) material from used pipes or fittings which have been cleaned and crushed o
40、r ground; b) material from used thermoplastics products other than pipes or fittings which have been cleaned and crushed or ground ISO 2016 All rights reserved 3 ISO/TS 17902:2016(E) 4 Symbols and abbreviated terms 4.1 Symbols d e outside diameter d em mean outside diameter d im mean inside diameter
41、 d n nominal diameter t fitting wall thickness (at any point) t min minimum fitting wall thickness (at any point) 4.2 Abbreviated terms DN/ID nominal size related to inside diameter DN/OD nominal size related to outside diameter ID inside diameter OD outside diameter PE polyethylene S pipes series S
42、 SDR standard dimension ratio 5 Material 5.1 Material for the main layer The main layer shall be made from PE 80 or PE 100 material complying with ISO 12162. The qualification of the material is granted as long as it fulfils the requirements of 7.1. 5.2 Material for the foaming layer The base materi
43、al for the foaming layer shall have a density from 911 kg/m 3to 940 kg/m 3 , when measured according to ISO 1183-1, to which may be added those additives that are needed to facilitate the manufacture of fitting conforming to the requirements of this document (e.g., foaming agent, adhesive agent). Th
44、e qualification of the material is granted as long as it fulfils the requirements of 7.1. 6 General requirements 6.1 General description of the wrapped electrofoaming joints Wrapped electrofoaming joints consist of several layers (see Figure 1 and Figure 2): foaming layer including electrical device
45、 and main layer.4 ISO 2016 All rights reserved ISO/TS 17902:2016(E) Key 1 main layer of electrofoaming joint 2 foaming layer of electrofoaming joint b clamping band of joint s temperature sensor connection terminal e electric connection terminal Figure 1 Schematics of electrofoaming joints X X 1 1 2
46、 Key 1 foaming layer of electrofoaming joint 2 electric thermal wire embedded in foaming layer Figure 2 Schematics of foaming layer 6.2 Appearance When viewed without magnification, wrapped electrofoaming joints shall meet the following requirements: the internal and external surfaces shall be smoot
47、h, clean and free from grooving, blistering, impurities, pores and any other surface irregularity likely to prevent conformity with this document; the ends of wrapped electrofoaming joints shall be square to their axis. ISO 2016 All rights reserved 5 ISO/TS 17902:2016(E) The wrapped electrofoaming j
48、oints shall be homogeneous throughout, except where heating coils or electrical connectors are incorporated. They will also be free of cracks, holes, foreign inclusions, or injurious defects such as gouges, dents, cuts, etc. The wrapped electrofoaming joints shall be as uniform as commercially pract
49、icable in opacity, density, and other physical properties. Any heating coils, connecting cables, connectors, and related electrical power source shall be designed to prevent electrical shock to the user. 6.3 Colour The colour of each layer should preferably be black. Other colours may be used. 6.4 Electrical properties The electrical protection to be provided by the system depends on the voltage and the current strength used and on the characteristics of the electricity power. For voltages greater th
