1、BRITISH STANDARDBS EN 681-1:1996IncorporatingAmendments Nos. 1,2 and 3 and Corrigendum No. 1Elastomeric seals Material requirements for pipe joint seals used in water and drainage applications Part 1: Vulcanized rubberThe European Standard EN 681-1:1996, with the incorporation of amendments A1:1998,
2、 A2:2002 and A3:2005, has the status of a British StandardICS 23.040.80; 83.060g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 681-1:1996This
3、British Standard was published under the authority of the Standards Policy and Strategy Committee on 15 November 1996 BSI 6 March 2006The following BSI references relate to the work on this standard:Committee reference PRI/70Draft for comment 92/38914 DCISBN 0 580 22286 1Committees responsible for t
4、his British StandardThe preparation of this British Standard was entrusted to Technical Committee PRI/70, Elastomeric seals for joints in pipework and pipelines, upon which the following bodies were represented:British Gas plcBritish Plastics FederationBritish Precast Concrete Federation Ltd.British
5、 Rubber Manufacturers Association Ltd.Chartered Institution of Water and Environmental ManagementClay Pipe Development Association LimitedConcrete Pipe AssociationDuctile Iron Producers AssociationFibre Cement Manufacturers Association LimitedMalaysian Rubber Producers Research AssociationRAPRA Tech
6、nology Ltd.Society of British Water IndustriesWater Companies AssociationWater Services Association of England and WalesAmendments issued since publicationAmd. No. Date Comments10214 December 199813706 26 July 200214178 Corrigendum No. 19 December 2002 Indicated by a sideline15832 6 March 2006 See n
7、ational forewordBS EN 681-1:1996 BSI 6 March 2006iContentsPageCommittees responsible Inside front coverNational foreword iiForeword 2Text of EN 681-1 4BS EN 681-1:1996ii BSI 6 March 2006National forewordThis British Standard has been prepared by Technical Committee PRI/70 and is the English language
8、 version of EN 681-1:1996, Elastomeric seals Materials requirements for pipe joint seals used in water and drainage applications Part 1: Vulcanized rubber, including amendments A1:1998, A2:2002, A3:2005 and Corrigendum August 2002, published by the European Committee for Standardization (CEN).The st
9、art and finish of text introduced or altered by CEN amendment is indicated in the text by tags . Tags indicating changes to CEN text carry the number of the CEN amendment. For example, teft altered by CEN amendment A1 is indicated by .EN 681-1:1996 was produced as a result of international discussio
10、ns in which the United Kingdom took an active part.EN 681-1:1996 has been approved by CEN member bodies under the weighted voting procedures introduced in 1988 to coincide with the introduction of “New Approach” Directives from the Commission of the European Community.To ensure that these products d
11、o not have any detrimental effects on the quality of water intended for human consumption, the materials of construction in contact with water will be tested in accordance with the method standards being developed by CEN/TC 64 concerned with effects of materials on water quality.In the absence of th
12、ese standards, the respective national standard, BS 6920 applies.This standard supersedes requirements for vulcanized rubber seals types W, D, H and S, used in water and drainage applications as given in BS 2494 and these types will be withdrawn by amendment. Other Parts of BS EN 681 will be publish
13、ed in the future to supersede requirements for type T and type G seals in BS 2494. Attention is drawn to paragraph 2 of the European foreword. It was decided by CEN/TC 208 that there would be a one year transition period during which vulcanized rubber seals may be produced to either BS 2494 or BS EN
14、 681-1. Following the changeover period, BS 2494 will be amended to delete requirements for vulcanized rubber seals, i.e. by October 1997.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under
15、the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standard Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct applicat
16、ion.Compliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an inside front cover, pages i to ii the EN title page, pages 2 to 19 and a back cover.The BSI copyright notice displayed in this document indicates
17、 when the document was last issued.EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 681-1April 1996+ A1 + A3May 1998 August 2005+ A2March 2002ICS 23.040.80; 83.060 Incorporating corrigendum August 2002Descriptors: Rubber products, vulcanized rubber, water pipelines, seal: stoppers, sealing rings, c
18、lassifications, hardness, physical properties, tests, quality control, designation, markingEnglish versionElastomeric seals Material requirements for pipe joint seals used in water and drainage applications Part 1: Vulcanized rubber(includes amendments A1:1998, A2:2002 and A3:2005)Garnitures dtanchi
19、t en caoutchouc Spcification des matriaux pour garnitures dtanchit pour joints de canalisations utilises dans le domaine de leau et de lvacuation Partie 1: Caoutchouc vulcanis(inclut les amendements A1:1998, A2:2002 et A3:2005)Elastomer-Dichtungen Werkstoff-Anforderungen fr Rohrleitungs-Dichtungen f
20、r Anwendungen in der Wasserversorgung und Entwsserung Teil 1: Vulkanisierter Gummi(enthlt nderungen A1:1998, A2:2002 und A3:2005)This European Standard was approved by CEN on 1996-04-07; amendment A1 was approved by CEN on 1998-05-28, amendment A2 was approved by CEN on 2002-02-25 and amendment A3 w
21、as approved by CEN on 2005-07-14. CEN members are bound to comply with the CEN/CENELEC Internal Regulations 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 nation
22、al standards may be obtained on application to the Central Secretariat or to any CEN member.This 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 notif
23、ied to the Central Secretariat has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlan
24、ds, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.CENEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungCentral Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN membersRef. No.
25、 EN 681-1:1996 + A1:1998 + A2:2002 + A3:2005 EEN 681-1:1996 BSI 6 March 20062ForewordThis European Standard has been prepared by Technical Committee CEN/TC 208, Elastomeric seals for joints in pipework and pipelines, the Secretariat of which is held by BSI.This European Standard shall be given the s
26、tatus of a national standard, either by publication of an identical text or by endorsement, at the latest by October 1996, and conflicting standards shall be withdrawn at the latest by October 1996.This standard has been prepared under a mandate issued to CEN by the European Commission and the Europ
27、ean Free Trade Association and supports Essential Requirements of EU Directives.For the relationship with the EU Directives, see informative Annex ZA, which is an integral part of this standard.This Part is based on ISO 4633 and ISO 9631, bringing these two sets of requirements (for cold and hot wat
28、er respectively) under one specification. The major changes from ISO 4633 and ISO 9631 have been to incorporate requirements for effect on water quality and ozone resistance. The emphasis in respect of low temperature testing has moved away from hardness measurement to compression set, which is more
29、 discriminating.A European Standard is to be prepared for material effects on water quality and when published it is intended that materials comply with the requirements of that standard. A European Standard is also to be prepared for microbiological deterioration requirements and when published it
30、is intended that materials comply with the requirements of that standard.Part 2 has been prepared by CEN/TC 208 in response to requests from CEN/TC 155 for a material specification for thermoplastic elastomer seals for use in conjunction with non-pressure thermoplastic pipe systems.Part 3 has been p
31、repared in response to those sections of the pipeline industry which employ cellular seals of vulcanized rubber.Part 4 has been prepared in response to those sections of the pipeline industry which employ cast polyurethane seals.According to the CEN/CENELEC Internal Regulations, the national standar
32、ds organization of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.Foreword to amendment A1 This a
33、mendment EN 681-1:1996/A1:1998 to the EN 681-1:1996 has been prepared by Technical Committee CEN/TC 208, Elastomeric seals for joints in pipework and pipelines, the Secretariat of which is held by BSI. This amendment to the European Standard EN 681-1:1996 shall be given the status of a national stan
34、dard, either by publication of an identical text or by endorsement, at the latest by December 1998, and conflicting national standards shall be withdrawn at the latest by December 1998. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries
35、 are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.Foreword to amendment A2This document EN 681-1:1996/A2:20
36、02 has been prepared by Technical Committee CEN/TC 208, Elastomeric seals for joints in pipework and pipelines, the Secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the lates
37、t by September 2002, and conflicting national standards shall be withdrawn at the latest by December 2003. 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 EU Directive(s).For relat
38、ionship with EU Directive(s), see informative Annex ZA, which is an integral part of this is 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, Czech Republic, De
39、nmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.EN 681-1:1996 BSI 6 March 20063Foreword to amendment A3This document (EN 618-1:1996/A3:2005) has been prepared by Technical Committee CEN/TC
40、208 “Elastomeric seals for joints in pipework and pipelines”, the secretariat of which is held by BSI.This Amendment to the European Standard EN 681-1:1996 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2006,
41、and conflicting national standards shall be withdrawn at the latest by February 2006.This document amends EN 681-1:1996, including amendments A1:1998 and A2:2002 and incorporating Corrigendum 1 August 2002.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the
42、 following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain,
43、Sweden, Switzerland and United Kingdom.ContentsPageForeword 2Introduction 41Scope 42 Normative references 43 Classification 54 Requirements 55 Test pieces and temperature 86 Factory production control 87 Factory product control tests 88Storage 99 Designation 910 Marking and labelling 9Annex A (norma
44、tive) Determination of stress relaxation in tension 13Annex B (normative) Determination of compression set in hot water at 110 C15Annex C (normative) Determination of splice strength 16Annex D (informative) Guidance on storage of seals 16Annex ZA (informative) Clauses of this European Standard addre
45、ssing the provisions of the EU Construction Products Directive 17EN 681-1:19964 BSI 6 March 2006IntroductionThe product (in accordance with this standard) which is in permanent or temporary contact with water, intended for human consumption, does not adversely affect the quality of the drinking wate
46、r and does not contravene the EC Directives and EFTA Regulations on the quality of drinking water.1 ScopeThis standard specifies requirements for materials used in vulcanized rubber seals for:1) cold potable water supply (up to 50 C);2) hot potable and non-potable water supply (up to 110 C);3) drain
47、age, sewerage and rainwater systems (continuous flow up to 45 C and intermittent flow up to 95 C);The different designations of seals specified are defined according to their type, application and requirements (see Table 4).General requirements for finished joint seals are also given; any additional
48、 requirements called for by the particular application are specified in the relevant product standards taking into account that the performance of pipe joints is a function of the seal material properties, seal geometry and pipe joint design. This standard should be used where appropriate with produ
49、ct standards which specify performance requirements for joints.This standard is applicable to joint seals for all pipeline materials, including iron, steel, clay, fibre cement, concrete, reinforced concrete, plastics and glass-reinforced plastics.It is applicable to elastomeric components of composite or non-composite seals. In the case of composite seals for materials of hardness ranges from 76 IRHD to 95 IRHD the requirements for elongation at break, compression set and stress relaxation apply only when
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