BS EN 682-2002 Elastomeric seals — Materials requirements for seals used in pipes and fittings carrying gas and hydrocarbon fluids1.pdf
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1、BRITISH STANDARD BS EN 682:2002 Elastomeric seals Materials requirements for seals used in pipes and fittings carrying gas and hydrocarbon fluids The European Standard EN 682:2002 has the status of a British Standard ICS 23.040.80; 83.140.50 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY C
2、OPYRIGHT LAW BS EN 682:2002 This British Standard, having been prepared under the direction of the Materials and Chemicals Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 28 March 2002 BSI 28 March 2002 ISBN 0 580 39273 2 Nati
3、onal foreword This British Standard is the official English language version of EN 682:2002. Together with BS EN 681-2:2000 this publication supersedes BS 2494:1990 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PRI/70, Elastomeric seals for joints i
4、n pipes, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Ca
5、talogue under the section entitled “ International Standards Correspondence Index” , or by using the “ Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for t
6、heir correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed
7、; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 18, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates
8、 when the document was last issued. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 682 February 2002 ICS 83.140.50 English version Elastomeric Seals - Materials requirements for seals used in pipes and fittings carrying gas and hydrocar
9、bon fluids Garnitures dtanchit en caoutchouc - Spcification des matriaux pour garnitures dtanchit pour joints de canalisations et des raccords vhiculant du gaz et des fluides hydrocarbures Elastomer-Dichtungen - Werkstoff-Anforderungen fr Dichtungen in Versorgungsleitungen und Bauteilen fr Gas und f
10、lssige Kohlenwasserstoffe This European Standard was approved by CEN on 16 November 2001. 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 li
11、sts and bibliographical references concerning such national standards may be obtained on application to the Management Centre 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 respon
12、sibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta,
13、 Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2002 CENAll rights of exploitation in any form and by any means r
14、eserved worldwide for CEN national Members. Ref. No. EN 682:2002 E EN 682:2002 (E) 2 Contents page Foreword. 3 1Scope. 4 2Normative references. 5 3Classification. 6 4Requirements 6 4.1Materials 6 4.2Finished seal requirements. 6 4.2.1Dimensional tolerances . 6 4.2.2Imperfections and defects. 6 4.2.3
15、Hardness 7 4.2.4Tensile strength and elongation at break 7 4.2.5Compression set in air. 7 4.2.6Accelerated ageing in air. 7 4.2.7Stress relaxation in compression. 7 4.2.8Volume change in liquid B. 8 4.2.9Volume change in oil 8 4.2.10Ozone resistance 8 4.2.11Compression set at - 15 C 8 5Test pieces a
16、nd temperature. 10 5.1Preparation of test pieces 10 5.2Test temperature. 10 6Factory production control 11 7Factory product control tests 11 7.1Sampling 11 7.2Routine tests. 11 7.3Type tests 11 8Storage. 11 9Designation . 12 10Marking and labelling. 12 Annex A (informative) Guidance on storage of se
17、als. 13 Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU Construction Products Directive 14 Bibliography. 18 ? EN 682:2002 (E) 3 Foreword This European Standard has been prepared by Technical Committee CEN/TC 208 “Elastomeric seals for joints in pipework a
18、nd 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 latest by August 2002, and conflicting national standards shall be withdrawn at the latest by November
19、 2003. No existing European Standard is superseded. This European Standard 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 relationship with EU Directive(s), see informative
20、 annex ZA, which is an integral part of this standard. This European Standard is based on ISO 6447 and ISO 6448, bringing together the requirements for seals used in gas and hydrocarbon fluid applications. The major changes from ISO 6447 and ISO 6448 have been to introduce additional test requiremen
21、ts e.g. an ozone test and to modify some requirements. Finished joint seals have been classified according to their final application and operating temperatures. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement
22、this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. ? EN 682:2002 (E) 4 1 Scope This European Standard specifies requirements
23、 for elastomeric materials used in seals for supply pipes and fittings, ancillaries and valves at operating temperatures in general from - 5 C up to 50 C and in special cases from - 15 C up to 50 C, for the following: General applications (see Table 4, type G) a) gaseous fuel (manufactured, natural
24、and liquefied petroleum gas LPG in gaseous phase); b) hydrocarbon fluids with aromatic content up to 30 % (V/V), including LPG in liquid phase. Special applications (see Table 4, type H) Materials suitable for carrying gaseous fuels containing gas condensates and hydrocarbon fluids of unrestricted a
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