BS PD CEN TR 15642-2011 Unified tests procedures for the tests of EN 3-7-2004+A1-2007《EN 3-7-2004+A1-2007试验的统一试验规程》.pdf

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1、raising standards worldwide NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI Standards Publication PD CEN/TR 15642:2011 Unified tests procedures for the tests of EN 3-7:2004+A1:2007PD CEN/TR 15642:2011 PUBLISHED DOCUMENT National foreword This Published Document is the UK i

2、mplementation of CEN/ TR 15642:2011. It supersedes PD CEN/TR 15642:2008 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee FSH/2, Fire extinguishers. A list of organizations represented on this committee can be obtained on request to its secretary. This

3、publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. BSI 2011 ISBN 978 0 580 72224 0 ICS 13.220.10 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published

4、 under the authority of the Standards Policy and Strategy Committee on 31 March 2011. Amendments issued since publication Date Text affectedPD CEN/TR 15642:2011TECHNICAL REPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR 15642 March 2011 ICS 13.220.10 Supersedes CEN/TR 15642:2008 English Version Un

5、ified tests procedures for the tests of EN 3-7:2004+A1:2007 Procdures dessais unifies pour les essais de lEN 3- 7:2004+A1:2007 Vereinheitlichte Prverfahren fr die Prfungen nach EN 3- 7:2004+A1:2007 This Technical Report was approved by CEN on 17 January 2011. It has been drawn up by the Technical Co

6、mmittee CEN/TC 70. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,

7、 Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worl

8、dwide for CEN national Members. Ref. No. CEN/TR 15642:2011: EPD CEN/TR 15642:2011 CEN/TR 15642:2011 (E) 2 Contents Page Foreword 5 1 Scope 6 2 Normative references 6 Annex A Duration of operation and residual charge 7 A.1 General 7 A.2 Scope 7 A.3 References 7 A.4 Equipment 7 A.5 Tests conditions Nu

9、mber of tests samples . 7 A.6 Test method 7 A.6.1 General 7 A.6.2 Duration of operation 8 A.6.3 Residual charge . 10 A.7 Requirements Acceptance criteria . 11 A.7.1 Minimum duration 11 A.7.2 Spread of measurements 13 A.7.3 Commencement of discharge 14 A.7.4 Residual charge . 14 Annex B Effective ran

10、ge of operating temperature test . 15 B.1 General 15 B.2 Scope 15 B.3 References 15 B.4 Equipment 15 B.5 Test conditions number of test samples 15 B.6 Test method 16 B.6.1 General 16 B.6.2 Duration of operation 17 B.6.3 Residual charge . 19 B.7 Requirements acceptance criteria 19 Annex C Operation a

11、nd emission control mechanism /devices and safety devices tests . 20 C.1 General 20 C.2 Scope 20 C.3 References 20 C.4 Equipment 20 C.5 Number of test samples Test conditions . 21 C.5.1 Number of test samples 21 C.5.2 Test conditions-Pre-conditioning of test samples . 22 C.6 Test method 22 C.6.1 Pri

12、nciple 22 C.6.2 Application of the force for the test . 22 C.6.3 Devices activated by force (N) 22 C.6.4 Devices activated by energy (joule). 23 C.7 Requirements Acceptance criteria . 24 C.7.1 Operation and emission control mechanism/device . 24 C.7.2 Safety devices 24 Annex D Control valve . 26 D.1

13、 General 26 D.2 Scope 26 D.3 References 26 D.4 Equipment 26 PD CEN/TR 15642:2011 CEN/TR 15642:2011 (E) 3 D.5 Tests conditions Number of tests samples 26 D.6 Test method . 26 D.6.1 General . 26 D.6.2 1 kg and 2 kg powder stored pressure extinguishers 27 D.6.3 1 kg and 2 kg powder cartridge operated e

14、xtinguishers 27 D.6.4 All stored pressure extinguishers excluding 1 and 2 kg powder and CO 2 extinguishers . 27 D.6.5 All cartridge operated extinguishers excluding 1 and 2 kg powder 28 D.6.6 CO 2 extinguishers . 28 D.7 Requirements Acceptance criteria . 29 D.7.1 For 1 kg and 2 kg powder extinguishe

15、rs P3 shall not be less than 80 % of P2 29 D.7.2 For all extinguishers excluding 1 kg and 2 kg powder and CO 2extinguishers P3 shall not be less than 80 % of P2 or P3 shall not be less than 50 % of P1. . 29 D.7.3 For CO 2extinguishers M3 shall not be less than 80 % of M2 . 29 Annex E Hose and coupli

16、ng systems tests 30 E.1 General . 30 E.2 Scope . 30 E.3 References . 30 E.4 Equipements . 30 E.5 Test conditions Number of test samples 30 E.6 Test method . 31 E.6.1 Test at (20 5)C . 31 E.6.2 Test at (Tmax 2)C and at (Tmin 2)C 31 E.7 Requirement Acceptance criteria . 31 Annex F Resistance to exting

17、uishing medium of extinguishers using water based media . 32 F.1 General . 32 F.2 Scope . 32 F.3 References . 32 F.4 Equipment . 32 F.5 Test conditions Number of tests samples 32 F.6 Test method . 33 F.7 Requirements Acceptance criteria . 33 Annex G Classes A and B fire tests . 34 G.1 General . 34 G

18、.2 Scope . 34 G.3 References . 34 G.4 Equipment . 34 G.5 Test conditions Number of test samples 35 G.5.1 General Tests Conditions 35 G.5.2 Class A fire test . 35 G.5.3 Class B fire tests . 39 G.6 Test method . 42 G.6.1 Test procedure for Class A fire tests 42 G.6.2 Test procedure for Class B fire te

19、sts 42 G.6.3 General acceptance criteria . 42 Annex H Compaction procedure 43 H.1 General . 43 H.2 Scope . 43 a) The powder extinguishers for testing, before the 24 h storage period at (20 5)C prior to the following tests: . 43 b) The water based extinguishers for testing, before the 24 h storage pe

20、riod at (20 5) C prior to: 43 H.3 References . 43 H.4 Equipment . 43 H.5 Tests conditions Number of tests samples 44 H.6 Test method . 44 H.7 Requirements Acceptance criteria . 44 Annex I Class F fire tests 45 I.1 General . 45 PD CEN/TR 15642:2011 CEN/TR 15642:2011 (E) 4 I.2 Scope 45 I.3 References

21、45 I.4 Equipment 45 I.5 Test conditions-Number of test samples 45 I.6 Test method 46 I.7 Requirement-acceptance criteria . 47 PD CEN/TR 15642:2011 CEN/TR 15642:2011 (E) 5 Foreword This document (CEN/TR 15642:2011) has been prepared by Technical Committee CEN/TC 70 “Manual means of fire fighting equi

22、pment”, the secretariat of which is held by AFNOR. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes CEN/TR 156

23、42: 2008. This document is divided in Annexes, corresponding to the following tests in EN 3-7:2004+A1:2007. Annex A: Duration of operation and residual charge Annex B: Effective range of operating temperature test Annex C: Operation and emission control mechanism / devices and safety devices tests A

24、nnex D: Control valve Annex E: Hose and coupling systems tests Annex F: Resistance to extinguishing medium of extinguishers using water based media Annex G: Classes A and B fire tests Annex H: Compaction procedure Annex I: Class F fire tests PD CEN/TR 15642:2011 CEN/TR 15642:2011 (E) 6 1 Scope This

25、Technical Report specifies the tests procedures for some of the tests required by EN 3- 7:2004+A1:2007; it does not cover all the EN 3-7:2004+A1:2007 tests but only the tests requiring more precision in their execution. These Unified Tests Procedures are in force for all laboratories performing EN 3

26、-7:2004+A1:2007 tests. Those laboratories should be accredited to EN ISO/IEC 17025 for EN 3-7:2004+A1:2007 tests and their accreditation shall be done by an Accreditation Body, member of the European Accreditation. This document should be included in the list of applicable documents. NOTE Since resu

27、lts of many tests may be affected by the human factor, this document should be taken as a helpful tool but will not replace experience and knowledge of people.” 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, onl

28、y the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 3-7:2004+A1:2007 Portable fire extinguishers Part 7: Characteristics, performance requirements and test methods EN ISO/IEC 17025 General requirements for the comp

29、etence of testing and calibration laboratories (ISO/IEC 17025:2005) ISO 657-1, Hot-rolled steel sections Part 1: Equal-leg angles-Dimensions ISO 4470, Sawn timber Determination of the average moisture content of a lot PD CEN/TR 15642:2011 CEN/TR 15642:2011 (E) 7 Annex A Duration of operation and res

30、idual charge A.1 General This procedure describes the method to measure the duration of operation and the residual charge of an extinguisher after discharge. A.2 Scope This procedure applies to all types of portable extinguishers. A.3 References EN 3-7:2004+A1: 2007, 3.13, 5, 7.1, 7.2, 7.3, Annex A

31、and Annex K. A.4 Equipment Stopwatch with at least 3 splits. Scale. The measurement equipment shall fulfil the applicable requirements of EN ISO/IEC 17025 regarding calibration. A.5 Tests conditions Number of tests samples Number of test samples : Three Powder and water based extinguishers samples s

32、hall be submitted to the compaction procedure prior to the storage period. Extinguishers with gaseous extinguishing media are not subjected to this compaction. Extinguishers for testing shall prior to the test be stored for at least 24 h at (20 5)C. Test shall be carried out within 5 min of its remo

33、val from storage. A.6 Test method A.6.1 General Record the actual gross weight of all the extinguishers used in the test. PD CEN/TR 15642:2011 CEN/TR 15642:2011 (E) 8 A.6.2 Duration of operation A.6.2.1 General Two technicians are needed to carry out this test: one operates the extinguisher; the oth

34、er one measures times by stopwatch. A.6.2.2 Stored pressure extinguishers (all types of media) Release the safety device. Hold the extinguisher by hand in its normal working position (see label instructions) and keep it immobile for the duration of the test. If there is a hose, hold the nozzle in th

35、e other hand in a horizontal position. Fully open the control valve and start the stopwatch (t 0 ). Record by split (t 1 ) on the stopwatch the delay of the beginning of discharge. Record by split (t 2 ) on the stopwatch the end of discharge of the extinguishing medium: For CO 2 extinguisher: The en

36、d of discharge can be noticed by a clear visible (from a white to a more transparent colour) and audible (from a deep to a higher hissing sound) modification of the gas jet. Another type of extinguisher : The end of discharge can be noticed at the moment when all the extinguishing agent is discharge

37、d. The residual propellant gas is not taken into account. Keep the control valve fully open during 1 min after t 2 . Calculate and record the duration of discharge (t 2 -t 1 ) for each of the three extinguishers. The diagram to perform the test is as follow (see Figure A.1): Calculate and record the

38、 average and the spread of each measurement of the duration of discharge. remove safety device; PD CEN/TR 15642:2011 CEN/TR 15642:2011 (E) 9 start stopwatch) (t 0 ) and open the control valve, Key 1 discharge delay max 4 s 2 duration of operation 3 1 min release of remaining gas then close the valve

39、 4 discharge finishing Figure A.1 A.6.2.3 Gas cartridge type extinguisher Release the safety device. If the pressurisation is not achieved by the releasing of the safety device, pressurise the extinguisher according to the instructions of the label. Start the stopwatch when the cartridge is opened (

40、t a ). Hold the extinguisher by hand in its normal working position (see label instructions) and keep it immobile for the duration of the test. If there is a hose, hold the nozzle in the other hand in a horizontal position. Only for extinguisher using a pressurisation device independent of the contr

41、ol valve, after (6 1)s (t 0 ). (SPLIT on the stopwatch) open the control valve. Record by split (t 1 ) on the stopwatch the delay of the beginning of discharge. Record by split (t 2 ) on the stopwatch the end of discharge of the extinguishing medium. The end of discharge can be noticed by the moment

42、 when all the extinguishing agent is discharged. The residual propellant gas is not taken into account. Keep the control valve fully open during 1 min after t 2 . Calculate and record the duration of discharge (t 2 - t 1 ) for each of the three extinguishers. Calculate and record the average and the

43、 spread of each measurement of the duration of discharge. Diagram to perform the test is as follow: for extinguishers pressurised by a device independent of the control valve (see Figure A.2): remove safety device; pressurise the extinguisher (if not obtained by removing the safety device) and start

44、 the stopwatch (t a ), after (6 1) s , split on the stopwatch (t 0 ) and open the control valve, PD CEN/TR 15642:2011 CEN/TR 15642:2011 (E) 10 Key 1 pressurisation for 6 s 2 discharge delay max 4 s 3 duration of operation 4 1 min release of remaining gas then close the valve 5 discharge finishing Fi

45、gure A.2 for extinguishers pressurised by activation of the control valve see Figure A.3: remove safety device; open the control valve (pressurisation) and start the stopwatch (t 0 ). Key 1 discharge delay max 4 s 2 duration of operation 3 1 min release of remaining gas then close the valve 4 discha

46、rge finishing Figure A.3 A.6.3 Residual charge A.6.3.1 Powder and water based extinguisher Check there is no pressure left in the extinguisher. Remove the closure of the extinguisher. Record the weight of the residual charge by one of the following method: PD CEN/TR 15642:2011 CEN/TR 15642:2011 (E)

47、11 - Collect the residual charge of media from the extinguisher and its dip tube, valve and hose (if applicable). - Measure the weight of the extinguisher containing residual charge (including medium from dip tube and valve and hose if applicable). Then, empty and reweigh the body. Calculate and record the p