SANS 53763-2-2008 Explosives for civil uses - Detonators and relays Part 2 Determination of thermal stability《民用爆炸品 雷管及导爆替续器 第2部分 热稳定性测定》.pdf

1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA

2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any

3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-21410-4 SANS 53763-2:2008Edition 1EN 13763-2:2002Edition 1SOUTH AFRICAN NATIONAL STANDARD Explosives for civil uses Detonators and relays

4、Part 2: Determination of thermal stability This national standard is the identical implementation of EN 13763-2:2002 and is adopted with the permission of the CEN, rue de Stassart 36, B-1050 Brussels. Published by Standards South Africa 1 dr lategan road groenkloof private bag x191 pretoria 0001 tel

5、: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa SANS 53763-2:2008 Edition 1 EN 13763-2:2002 Edition 1 Table of changes Change No. Date Scope National foreword This South African standard was approved by National Committee StanSA TC 5140.04, Explosi

6、ves and detonators, in accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. This document was published in August 2008. EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 13763-2September 2002ICS 71.100.30English versionExplosives for civil uses -

7、 Detonators and relays - Part 2:Determination of thermal stabilityExplosifs usage civil - Dtonateurs et relais - Partie 2:Dtermination de la stabilit thermiqueExplosivstoffe fr zivile Zwecke - Znder undVerzgerungselemente - Teil 2: Bestimmung derthermischen StabilittThis European Standard was approv

8、ed by CEN on 1 August 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstand

9、ards 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 translationunder the responsibility of a CEN member into its own language and notified to the

10、Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United

11、Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2002 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13763-2:2002 ESANS

12、53763-2:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 13763-2:2002 (E)2ContentspageForeword31 Scope 52 Normative references 53 Terms and definitions54 Apparatus .55 Test pieces56 Procedure .67 Test report 6Annex ZA (informative) Clau

13、ses of this European Standard addressing essential requirements or otherprovisions of EU Directives. .7SANS 53763-2:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 13763-2:2002 (E)3ForewordThis document (EN 13763-2:2002) has been prepa

14、red by Technical Committee CEN/TC 321 “Explosives for civiluses“, the secretariat of which is held by AENOR.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by March 2003, and conflicting national stan

15、dards shall be withdrawn at the latest byMarch 2003.This European Standard has been prepared under a mandate given to CEN by the European Commission and theEuropean Free Trade Association, and supports essential requirements of EU Directive(s).For the relationship with EU Directive(s), see informati

16、ve annex ZA, which is an integral part of this standard.This European Standard is one of a series of standards with the generic title Explosives for civil uses Detonatorsand relays. The other parts of this series are listed below:prEN 13763-1 Part 1: Requirements.EN 13763-3 Part 3: Determination of

17、sensitiveness to impact.prEN 13763-4 Part 4: Determination of resistance to abrasion of leading wires and shock tubes.prEN 13763-5 Part 5: Determination of resistance to cutting damage of leading wires and shock tubes.prEN 13763-6 Part 6: Determination of resistance to cracking in low temperatures o

18、f leading wires.prEN 13763-7 Part 7: Determination of the mechanical strength of leading wires, shock tubes, connections,crimps and closures.prEN 13763-8 Part 8: Determination of resistance to vibration of plain detonators.prEN 13763-9 Part 9: Determination of resistance to bending of detonators.prE

19、N 13763-10 Part 10: Determination of resistance to torsion of sealing plugs.prEN 13763-11 Part 11:Determination of drop resistance of detonators and relays.prEN 13763-12 Part 12: Determination of resistance to hydrostatic pressure.prEN 13763-13 Part 13: Determination of resistance of electric detona

20、tor to electrostatic discharge.prEN 13763-14 Part 14: Determination of resistance of electric detonator to the influence of radio frequencyradiation.prEN 13763-15 Part 15: Determination of equivalent initiating capability.prEN 13763-16 Part 16: Determination of delay accuracy.prEN 13763-17 Part 17:

21、Determination of no-fire current of electric detonators.prEN 13763-18 Part 18: Determination of series firing current of electric detonators.prEN 13763-19 Part 19: Determination of firing pulse of electric detonators.prEN 13763-20 Part 20: Determination of total resistance of electric detonators.SAN

22、S 53763-2:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 13763-2:2002 (E)4prEN 13763-21 Part 21: Determination of flash-over voltage of electric detonators.prEN 13763-22 Part 22: Determination of capacitance, insulation resistance and

23、 insulation breakdown of leadingwires.EN 13763-23 Part 23: Determination of the shock-wave velocity of shock tube.EN 13763-24 Part 24: Determination of the non-conductivity of shock tube.prEN 13763-25 Part 25: Determination of transfer capacity of relay and coupling accessories.prEN 13763-26 Part 26

24、: Definitions, methods and requirements for devices and accessories for reliable and safefunction of detonators and relays.prCEN/TS 13763-27 Part 27: Definitions, methods and requirements for electronic initiation system.According to the CEN/CENELEC Internal Regulations, the national standards organ

25、izations of the followingcountries are bound to implement 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.SANS 53763-2:2008T

26、his s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 13763-2:2002 (E)51 ScopeThis European Standard specifies a method for determining the thermal stability of electric detonators, non-electricdetonators, surface connectors, detonating cord rela

27、ys and shock tubes for use with nonelectric detonators.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fo

28、rdated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).prEN 13857-1, Explosives

29、for civil uses. Part 1 Terminology.EN ISO/IEC 17025, General requirements for the competence of testing and calibration laboratories (ISO/IEC17025:1999).3 Terms and definitionsFor the purposes of this European Standard, the terms and definitions given in prEN 13857-1 apply.4 ApparatusOven/heating ca

30、binet, which can maintain a prescribed temperature 2 C.NOTE The design of the apparatus should be such as to ensure the prevention of sympathetic detonation.5 Test pieces5.1 Detonators5.1.1 Electric detonatorsFor each specific type, having the same design and composition of fusehead, whose primary c

31、harge has the samechemical composition and whose secondary charge has the same chemical composition, select 25 detonators. Ifthe detonators form part of a series with different delay times, select 25 detonators with delay times as evenlydistributed throughout the series as possible.5.1.2 Non-electri

32、c detonatorsFor each specific type, having the same design and composition according to the manufacturers specification,whose primary charge has the same chemical composition and whose secondary charge has the same chemicalcomposition, select 25 detonators. If the detonators form part of a series wi

33、th different delay times, select 25detonators with delay times as evenly distributed throughout the series as possible.5.2 Detonating cord relays and surface conectorsFor each specific type, having the same dimensions, materials of construction, whose primary charge has the samechemical composition

34、and whose secondary charge has the same chemical composition, select 25 relays orsurface connectors. If the relays form part of a series with different delay times, select 25 relays or surfaceconnectors with delay times as evenly distributed throughout the series as possible.SANS 53763-2:2008This s

35、tandard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 13763-2:2002 (E)65.3 Shock tubesFor each specific type having the same dimensions, materials of construction and chemical composition, select 25pieces of shock tube, each with a length of (1,00 0,05

36、) m.6 ProcedureStore the test pieces in the heating cabinet for a period of h)48(10at a temperature of (25 2) C higher than thehighest safe operating temperature stated by the manufacturer but at least (75 2) C. In the case of detonatorsand surface connectors, 12 of the test pieces shall be placed i

37、n a rack with the base upwards and the other 13 in arack with the base downwards. Record any incident of detonation or, for shock tubes, evidence of reaction insidethe tube (visible or audible) during the test.7 Test reportThe test report shall conform to EN ISO/IEC 17025. In addition the following

38、information shall be given:a) for detonators, surface connectors and detonating cord relays the result of the test stated as detonationor no detonation;b) for shock tubes the result regarding evidence of reaction;c) the relevant test parameters (the temperature and time).SANS 53763-2:2008This s tand

39、ard may only be used and printed by approved subscription and freemailing clients of the SABS .EN 13763-2:2002 (E)7Annex ZA(informative)Clauses of this European Standard addressing essential requirements orother provisions of EU DirectivesThis European Standard has been prepared under a mandate give

40、n to CEN by the European Commission and theEuropean Free Trade Association and supports essential safety requirements of EU Directive 93/15/EEC.WARNING: Other requirements and other EU Directives may be applicable to products falling within the scope ofthis standard.The clauses of this standard are

41、likely to support requirements I.1, II.1.(b), II.1.(d) and II.1.(g) of Directive93/15/EEC.Compliance with this standard provides one means of conforming to the specific essential requirements of theDirective concerned and associated EFTA regulations.SANS 53763-2:2008This s tandard may only be used and printed by approved subscription and freemailing clients of the SABS .