BS EN 60684-3-284:2014 BSI Standards Publication Flexible insulating sleeving Part 3: Specifications for individual types of sleeving — Sheet 284: Heat-shrinkable, sleevings, for oil barrier applications BRITISH STANDARD BS EN 60684-3-284:2014 National foreword This British Standard is the UK implementation of EN 60684-3-284:2014 It is identical to IEC 60684-3-284:2014 The UK participation in its preparation was entrusted by Technical Committee GEL/15, Solid electrical insulating materials, to Subcommittee GEL/15/5, Flexible insulating sleeving for electrical purposes A list of organizations represented on this committee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application © The British Standards Institution 2015 Published by BSI Standards Limited 2015 ISBN 978 580 82387 ICS 29.035.20 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2015 Amendments/corrigenda issued since publication Date Text affected EUROPEAN STANDARD EN 60684-3-284 NORME EUROPÉENNE EUROPÄISCHE NORM December 2014 ICS 29.035.20 English Version Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 284: Heat-shrinkable, sleevings, for oil barrier applications (IEC 60684-3-284:2014) Gaines isolantes souples - Partie 3: Spécifications pour types particuliers de gaines - Feuille 284: Gaines thermorétractables pour applications de barrière résistant l'huile (CEI 60684-3-284:2014) Isolierschläuche - Teil 3: Anforderungen für einzelne Schlauchtypen - Blatt 284: Wärmeschrumpfschläuche mit ölsperrenden Eigenschaften (IEC 60684-3-284:2014) This European Standard was approved by CENELEC on 2014-11-27 CENELEC 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 national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC 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 CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels © 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members Ref No EN 60684-3-284:2014 E BS EN 60684-3-284:2014 EN 60684-3-284:2014 -2- Foreword The text of document 15/693/CDV, future edition of IEC 60684-3-284, prepared by IEC/TC 15 "Solid electrical insulating materials" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60684-3-284:2014 The following dates are fixed: • latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-08-27 • latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2017-11-27 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights Endorsement notice The text of the International Standard IEC 60684-3-284:2014 was approved by CENELEC as a European Standard without any modification In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60684-3 (all sheets) NOTE Harmonized as EN 60684-3 (all sheets) (not modified) IEC 60757:1983 NOTE Harmonized as HD 457 S1:1985 (not modified) -3- BS EN 60684-3-284:2014 EN 60684-3-284:2014 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies NOTE When an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies NOTE Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu Publication Year Title EN/HD Year IEC 60055-2 - Paper-insulated metal-sheathed cables for rated voltages up to 18/30 kV (with copper or aluminium conductors and excluding gas-pressure and oil-filled cables Part 2: General and construction requirements - - IEC 60296 - Fluids for electrotechnical applications Unused mineral insulating oils for transformers and switchgear EN 60296 - IEC 60684-1 2003 Flexible insulating sleeving Part 1: Definitions and general requirements EN 60684-1 2003 IEC 60684-2 2011 Flexible insulating sleeving Part 2: Methods of test EN 60684-2 2011 –2– BS EN 60684-3-284:2014 IEC 60684-3-284:2014 © IEC 2014 CONTENTS INTRODUCTION Scope Normative references Designation Conditions of test Requirements Sleeving conformance Annex A (informative) Guide to the typical sizes and wall thicknesses 11 Bibliography 12 Table – Property requirements for Type A Table – Property requirements for Type B Table – Requirements for breakdown voltage, Types A and B 10 Table – Resistance to selected fluids 10 Table A.1 – Dimensions Type A 11 Table A.2 – Dimensions Type B 11 BS EN 60684-3-284:2014 IEC 60684-3-284:2014 © IEC 2014 –5– INTRODUCTION This International Standard is one of a series which deals with flexible insulating sleeving for electrical purposes The series consists of three parts: Part 1: Definitions and general requirements (IEC 60684-1) Part 2: Methods of test (IEC 60684-2) Part 3: Specifications for individual types of sleeving (IEC 60684-3) This standard gives one of the sheets comprising Part 3, as follows: Sheet 284: Heat-shrinkable sleevings, for oil barrier applications –6– BS EN 60684-3-284:2014 IEC 60684-3-284:2014 © IEC 2014 FLEXIBLE INSULATING SLEEVING – Part 3: Specifications for individual types of sleeving – Sheet 284: Heat-shrinkable sleevings, for oil barrier applications Scope This part of IEC 60684 gives the requirements for heat-shrinkable sleevings for oil barrier, medium voltage cable jointing and termination applications, with nominal shrink ratios of up to 3:1 These sleevings have been found suitable for use up to temperatures of 80 °C Type A: polyolefin based Type B: fluoropolymer based, enhanced oil resistance These sleevings are normally supplied as translucent Since these types of sleevings cover a significantly large range of sizes and wall thicknesses, Annex A, Tables A.1 and A.2, in this document, provide a guide to the range of sizes available The actual size will be agreed between the purchaser and supplier Materials which conform to this standard meet established levels of performance However, the selection of a material by a user for a specific application should be based on the actual requirements necessary for adequate performance in that application and not based on this standard alone This sleeving is designed to be used in MV cable accessories and as such, electrical performance as defined as part of the assembly Examples of this are described in HD 629 and IEC 60502 series Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies IEC 60055-2, Paper-insulated metal-sheathed cables for rated voltages up to 18/30 kV (with copper or aluminium conductors and excluding gas-pressure and oil-filled cables) Part 2: General and construction requirements IEC 60296, Fluids for electrotechnical applications – Unused mineral insulating oils for transformers and switchgear IEC 60684-1:2003, Flexible insulating sleeving – Part 1: Definitions and general requirements IEC 60684-2:2011, Flexible insulating sleeving – Part 2: Methods of test BS EN 60684-3-284:2014 IEC 60684-3-284:2014 © IEC 2014 –7– Designation The sleeving shall be identified by the following designation: Description IEC publication number IEC part number IEC sheet number Type Size (expanded and recovered internal diameter in mm) ↓ ↓ ↓ ↓ ↓ ↓ Sleeving IEC 60684 -3 -284 -B - 51,0/19,0 NOTE This information is for package labelling only in accordance with IEC 60684-1 Conditions of test Unless otherwise specified, the sleeving shall be shrunk in a forced air circulation oven for (10 ± 1) at 175 °C ± K for Type A, and at 200 °C ± K for Type B, prior to testing Requirements In addition to the general requirements given in IEC 60684-1, the sleeving shall comply with the requirements of Tables 1, 2, 3, and where applicable Sleeving conformance Conformance to the requirements of this standard shall normally be based on the results from a typical size Recovered ID 15 mm to 25 mm Table – Property requirements for Type A Property Dimensions IEC 60684-2: 2011 Clause or Subclause Units Max or Min Internal diameter 3.1.2 Wall thickness 3.3.2 Concentricity 3.3.3 expanded mm mm % Min Min Remarks To be agreed between purchaser and supplier 50 85 recovered Longitudinal change Requirements % Max – 10 +5 Heat expanded sleeving at 175 °C ± K for (10 ± ) Condition at –20 °C ± K Bending at low temperature 14 – – No cracking shall be visible For strips, the mandrel shall be no more than10 times the wall thickness Full section sleeving is tested unfilled and the mandrel shall be no more than 10 times the outer diameter BS EN 60684-3-284:2014 IEC 60684-3-284:2014 © IEC 2014 –8– Property Heat shock IEC 60684-2: 2011 Clause or Subclause Tensile strength 19.1 and 19.2 Elongation at break 19.1 and 19.2 Units Max or Min Requirements MPa Min % Min 200 16 – – The dimensions shall remain as agreed Tensile strength 19.1 and 19.2 MPa Min 10 Elongation at break 19.1 and 19.2 % Min 250 Secant modulus at % elongation 19.5 MPa Min 50 Max 175 Breakdown voltage 21 kV Min See Table Volume Resistivity at room temperature 23 Ω.m Min 10 12 Dimensional stability on storage 23.5.2 Resistance to selected fluids Remarks Heat at 200 °C ± K See Clause 1, (Scope) Use a jaw separation of 100 mm/min Below 6,5 mm diameter test as sleeving, at 6,5 mm and above test as dumb-bells Use the fluids and test temperatures specified in Table 36 MPa Min Elongation at break 19.1 and 19.2 % Min 200 Immersion time Change in mass 19.1 and 19.2 % Max 10 24 ± h Tensile strength Heat ageing Test after recovery period of h ±15 39 Tensile strength 19.1 and 19.2 Elongation at break 19.1 and 19.2 Long term heat ageing (3 000 h) Elongation at break 50 19.2 MPa Min 10 % Min 150 % Min 125 Heat at 150 °C ± K The ageing temperature shall be 135 °C ± K BS EN 60684-3-284:2014 IEC 60684-3-284:2014 © IEC 2014 –9– Table – Property requirements for Type B Property IEC 60684-2: 2011 Clause or Subclause Units Max or Min Dimensions Internal diameter Wall thickness 3.1.2 Concentricity 3.3.2 Expanded 3.3.3 mm mm % Min Min Remarks To be agreed between purchaser and supplier 60 85 Recovered Longitudinal change Requirements % Max – 10 +5 Heat expanded sleeving at 200 °C ± K for (10 ± 1) Test at –20 °C ± K Bending at low temperature 14 – – Heat shock Tensile strength shall be visible No dripping, flowing or cracking 16 The dimensions shall remain as agreed Elongation at Break Dimensional stability No cracking on storage Tensile strength 19.1 and 19.2 MPa Min 24 Elongation at break 19.1 and 19.2 % Min 200 19.5 MPa Min 170 Breakdown voltage 21 kV Min See Table Volume Resistivity at room temperature 23 Ωm Min 10 Secant modulus at 2% elongation 23.5.2 For strips, the mandrel shall be no more than 10 times the wall thickness Full section sleeving is tested unfilled and the mandrel shall be no more than 10 times the outer diameter Heat at 275 °C ± K See Scope Use a jaw separation of 100 mm/min Below 6,5 mm diameter test as sleeving, at 6,5 mm and above test as dumb-bells 36 MPa Min 24 Use the fluids and test temperatures specified in Table Tensile strength 19.1 and 19.2 % Min 200 Immersion time Elongation at break 19.1 and 19.2 % Max 10 Resistance to selected fluids Change in mass Heat ageing Elongation at break Long term heat ageing (3 000 h) Elongation at break (24 ± 1) h Test after recovery period of h ±15 39 19.1 and 19.2 50 19.2 % Min 100 Heat at 225 °C ± K % Min 100 The ageing temperature shall be 150 C ± K BS EN 60684-3-284:2014 IEC 60684-3-284:2014 © IEC 2014 – 10 – Table – Requirements for breakdown voltage, Types A and B Expanded wall thickness Electric strength (mm) Min All dimensions a a Expanded ID Electric strength kV/mm All sizes 12 Measure the expanded wall thickness and calculate the electric strength by dividing the breakdown voltage by this value The breakdown voltage shall be determined by the method described in 21.4 of IEC 60684-2:2011 The central value shall comply with the minimum value in the above Table The sleeving shall be tested in the expanded condition The rate of application of the voltage shall be 500 V/s Care should be taken on selection of sizes based on these values Refer to the manufacturer for actual values on installed conditions Table – Resistance to selected fluids Test fluid No Fluids Type Insulating oil Mineral based Cleaning fluid Standard or symbol IEC 60296 Transformer oil Type A; Immersion temperature °C ± K Type B; Immersion temperature °C ± K Not suitable 110 Solvent Isopropyl alcohol 23 23 Water De-ionized 85 85 – Insulating oil Synthetic Poly-isobutylene Not suitable 110 M.I.N.D Mineral based IEC 60055-2 60 60 Other fluids and/or temperatures may be specified for customers with specific needs These additional fluids and/or temperatures shall be applicable when incorporated into agreements between the supplier and customer BS EN 60684-3-284:2014 IEC 60684-3-284:2014 © IEC 2014 – 11 – Annex A (informative) Guide to the typical sizes and wall thicknesses The tables below represent a guide to available sizes and wall thicknesses Table A.1 – Dimensions Type A Internal diameter Wall EXPANDED MIN RECOVERED MAX RECOVERED WALL THICKNESS (mm) (mm) (mm) (± 20 %) 19 9,5 0,76 25 12,7 0,89 32 16 0,90 38 19 1,02 50 25,4 1,14 76 38,1 1,27 Table A.2 – Dimensions Type B Internal diameter Wall EXPANDED MIN RECOVERED MAX RECOVERED WALL THICKNESS (mm) (mm) (mm) (± 20 %) 19,0 7,0 1,0 35,0 12,0 1,0 51,0 19,0 1,0 67,0 30,0 3,0 – 12 – BS EN 60684-3-284:2014 IEC 60684-3-284:2014 © IEC 2014 Bibliography IEC 60502 (all parts), Power cables with extruded insulation and their accessories for rated voltages from kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV) IEC 60684-3 (all sheets), Flexible insulating sleeving – Part 3: Specifications for individual types of sleeving IEC 60757:1983, Code for designation of colours HD 629, Test requirements on accessories for use on power cables of rated voltages from3,6/6(7,2) kV up to 20,8/36 (42) kV– Part 1: Cables with extruded insulation _ This page deliberately left blank NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards Institution (BSI) BSI is the national body responsible for preparing British Standards and other standards-related publications, information and services BSI is incorporated by Royal Charter British Standards and other standardization products are published by BSI Standards Limited About us Revisions We bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solutions Our British Standards and other publications are updated by amendment or revision The knowledge embodied in our standards has been carefully assembled in a dependable format and refined through our open consultation process Organizations of all sizes and across all sectors choose standards to help them achieve their goals Information on standards We 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