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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS 7655-1.4:2000 ICS 29.0
2、35.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Specification for Insulating and sheathing materials for cables Part 1: Cross-linked elastomeric insulating compounds Section 1.4: Oil resisting types IMPORTANT NOTEThis section of BS 7655 is to be read in conjunction with
3、BS 7655-0. This British Standard, having been prepared under the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 November 2000 BSI 11-2000 First published April 1993 Second edition November 2000 The followin
4、g BSI references relate to the work on this standard: Committee reference GEL/20/3 Draft for comment 99/240495 DC ISBN 0 580 33189 X BS 7655-1.4:2000 Amendments issued since publication Amd. No.DateComments Committees responsible for this British Standard The preparation of this British Standard was
5、 entrusted by Technical Committee GEL/20, Electric cables, to Subcommittee GEL/20/3, Insulation and sheath, upon which the following bodies were represented: Association of Consulting Engineers British Approvals Service for Cables British Cables Association British Plastics Federation British Rubber
6、 Manufacturers Association Ltd. Department of Trade and Industry (Consumer Safety Unit, CA Division) Electricity Association ERATechnology Ltd. GAMBICA (BEAMA Ltd.) Institute of Fire Prevention Officers London Underground Ltd. Ministry of Defence Queen Mary and Westfield College Railtrack Warrington
7、 Fire Research Centre BS 7655-1.4:2000 BSI 11-2000i Contents Page Committees responsibleInside front cover Forewordii 1Scope1 2Normative references1 3Definitions1 4Requirements1 Bibliography3 ii BSI 11-2000 BS 7655-1.4:2000 Foreword This section of BS 7655 has been prepared by Subcommittee GEL/20/3.
8、 It supersedes BS 7655-1.4:1993 which is withdrawn. It specifies the requirements of the oil resisting cross-linked elastomeric insulating compound OR 1. This revision brings this section of BS 7655 fully into line with BS 7655-0:1997, including amendment 1:2000. Test methods are specified in this s
9、ection of BS 7655 by reference to the latest edition of standards in which they appear. A dated reference to the most recent edition of the relevant standard for each test method is given in BS 7655-0, which is to be read in conjunction with this section. A British Standard does not purport to inclu
10、de all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover pages i
11、 and ii, pages 1 to 3 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. BS 7655-1.4:2000 BSI 11-20001 1 Scope This section of BS 7655 specifies the requirements for the oil resisting cross-linked elastomeric insulating compound listed
12、in Table 1. The relevant test methods are given in BS EN 60811 and BS 6469. This section is to be read in conjunction with BS 7655-0, which contains essential provisions for the application of this section of BS 7655. Table 1 Type of cross-linked insulation TypeMaximum material operating temperature
13、 General application 8C OR 185Oil resisting 2 Normative references For the purposes of this section of BS 7655, the requirements of BS 7655-0, 2.1 apply with regard to normative references. The latest editions of the standards giving test methods are listed in the most recent edition of BS 7655-0. 3
14、 Definitions For the purposes of this section of BS 7655 the definitions given in BS 7655-0, clause 3 apply. 4 Requirements The requirements specified for the compound listed in Table 2 shall be met when the compound is tested using the test methods listed against each particular requirement. NOTEFo
15、r cross-references to the latest editions of the test method standards see BS 7655-0, Table 2. 2 BSI 11-2000 BS 7655-1.4:2000 Table 2 Test requirements TestTest method in accordance with BS EN 60811 unless otherwise stated Requirements for compound type OR 1 SectionClause Properties in the state as
16、manufactured1-19.1 Minimum tensile strength (N/mm2)7 Minimum elongation at break (%)200 Properties after ageing in air oven1-28.1 Temperature (8C)1202 Duration (h)7 3 24 Maximum variation for tensile strength (%)30 Maximum variation for elongation at break (%)40 Properties after ageing in air bomb1-
17、28.2 Temperature (8C)1272 Duration (h)40 Maximum variation for tensile strength (%)501) Maximum variation for elongation at break (%)501) Mineral oil immersion test2-110 Temperature (8C)1002 Duration (h)24 Maximum variation for tensile strength (%)401) Maximum variation for elongation at break (%)40
18、1) Insulation resistance constantBS 6469-99.2, clause 8 Temperature (8C)202 Minimum K value (MVkm)10 Water absorption determined by the capacitance method BS 6469-99.2, clause 10 Maximum increase in capacitance2) 1 to 14 days (%)15 7 to 14 days (%)5 1) Only a reduction in values is subject to verifi
19、cation. 2) This test only applies if the purchaser specifies at the time of ordering that the cable is to be used in a wet location. BSI 11-20003 BS 7655-1.4:2000 Bibliography See BS 7655-0, 2.2. BS 7655-1.4:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | |
20、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for prepa
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