CEN TR 14922-2004 Portable fire extinguishers - Model laboratory - Report in compliance with EN 3-7《手提式灭火器 实验室模型 符合EN 3-7的报告》.pdf

1、PUBLISHED DOCUMENT PD CEN/TR 14922:2004 Portable fire extinguishers Model laboratory Report in compliance with EN 3-7 ICS 13.220.10 PD CEN/TR 14922:2004 This Published Document was published under the authority of the Standards Policy and Strategy Committee on 7 March 2005 BSI 7 March 2005 ISBN 0 58

2、0 45574 2 National foreword This Published Document is the official English language version of CEN/TR 14922:2004. The UK participation in its preparation was entrusted to Technical Committee FSH/2, Fire extinguishers, which has the responsibility to: A list of organizations represented on this comm

3、ittee 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 Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “

4、Search” facility of the BSI Electronic Catalogue or of British Standards Online. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related interna

5、tional and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the CEN/TR title page, pages 2 to 19 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amend

6、ments issued since publication Amd. No. Date CommentsTECHNICALREPORT RAPPORTTECHNIQUE TECHNISCHERBERICHT CEN/TR14922 December2004 ICS13.220.10 Englishversion PortablefireextinguishersModellaboratoryReportin compliancewithEN37 ExtincteursportatifsModlepourlaboratoireRapport selonEN37 TragbareFeuerlsc

7、herMusterprfberichtinVerbindung mitEN37 ThisTechnicalReportwasapprovedbyCENon5August2004.IthasbeendrawnupbytheTechnicalCommitteeCEN/TC70. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,

8、Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyf

9、ormandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.CEN/TR14922:ECEN/TR 14922:2005 (E) 2 Foreword This document (CEN/TR 14922:2005) has been prepared by Technical Committee CEN/TC 70 “ Manual means of fire fighting equipment“, the secretariat of which is held by AFNOR. This model of labo

10、ratory report is to be used by all laboratories performing EN 3-7 tests. The standards which this CEN Report refers to are: EN 3-7: 2004, Portable fire extinguishers Part 7: Characteristics, performance requirements and test methods. EN 615:1994, Fire protection Fire extinguishing media Specificatio

11、ns for powders (other than class D powders). EN 1568-1:2000, Fire extinguishing media Foam concentrates Part 1: Specification for medium expansion foam concentrates for surface application to water-immiscible liquids. EN 1568-2: 2000, Fire extinguishing media Foam concentrates Part 2: Specification

12、for high expansion foam concentrates for surface application to water-immiscible liquids. EN 1568-3: 2000, Fire extinguishing media Foam concentrates Part 3: Specification for low expansion foam concentrates for surface application to water-immiscible liquids. EN 1568-4:2000, Fire extinguishing medi

13、a Foam concentrates Part 4: Specification for low expansion foam concentrates for surface application to water-miscible liquids. CEN/TR 14922:2005 (E) 3 This is a laboratory tests report and not a product This is a laboratory tests report and not a product This is a laboratory tests report and not a

14、 product This is a laboratory tests report and not a product certification approval. certification approval. certification approval. certification approval. M O D E L LA B O R A T O R Y R E P O R T (Information contained on these two pages of the report shall be considered as the minimum list of det

15、ails required in the introduction) Identification and Address Date of Issue of the report of the Laboratory + EN ISO/IEC 17025 accreditation, Logo and number of accreditations body LABORATORY TEST REPORT Report nr : . Requested by : . PORTABLE FIRE EXTINGUISHER Tests for compliance with EN 3-7:2004

16、Identification of extinguisher: Type: (manufacturers designation of the model)according to general drawing nr : Manufacturer (identification, address, etc): Type and commercial name of extinguishing medium (or media): Nominal charge of extinguisher: Pressurisation (Method, type, gas, mass or pressur

17、e): Conclusion of the tests: Compliance of submitted samples with all applicable clauses of the standard: YES / NO. (details: see summary (taking model variants into consideration where relevant) Operating temperature range: from C to C Dielectric suitability (applicable only for water based extingu

18、isher): Fire class(es) intended for: Fire ratings achieved: CEN/TR 14922:2005 (E) 4 Supplementary information : Samples *Quantity of provided samples : *Receipt of the samples by the lab date : Conformity to documentation The extinguishers submitted can be identified from the detailed documentation

19、supplied by the manufacturer comprising: * Annex 1: Conformity of the extinguishing media to the technical data provided by the manufacturer * Annex 2: list of documents included in this tests report. (the minimum documents to identifies the fire extinguisher) * Annex 3 (if relevant): list of docume

20、nts not included in this tests report, but registered by the laboratory. * PED references: Certificates nr.; Notified Bodys nr, Report * This report comprises pages, annexes A1 and annexes. * Only the materials detailed in this report have been subjected to tests. * The summary and conclusions of ch

21、ecks and tests are given on page * This report or any part of it may not be reproduced without the written permission of the laboratory. Laboratory stamp Signature and position of the person or persons responsible of the laboratory This is a laboratory tests report and not a product This is a labora

22、tory tests report and not a product This is a laboratory tests report and not a product This is a laboratory tests report and not a product certifica certifica certifica certification approval. tion approval. tion approval. tion approval. CEN/TR 14922:2005 (E) 5 Table 1 - SUMMARY OF CHECKS AND TESTS

23、 Item nr EN 3 Clause Title Applicable Yes / No Compliance Yes No 1 4.2 Control of discharge 2 4.3 Operating position 3 4.4 Hose assembly 4 4.5 Propellants 5 4.6 Means of checking pressure for stored pressure extinguishers 6 6.1 Nominal charges 7 6.2 Filling tolerances 8 6.3 Design of filling opening

24、 9 7.1.1 Duration of operation, minimum duration 10 7.1.2 Duration of operation, spread of measurements 11 7.2 Residual charge 12 7.3 Commencement of discharge 13 7.4 Temperature cycling 14 8.1 Retention of propellant 15 8.2 Leakage acceptance level 16 9.2 Dielectric test, for water based extinguish

25、ers 17 10.1 General requirement for use of extinguishers 18a 10.2 Operating force for CO2 extinguishers 18b 10.2 Operating force for other extinguishers 19 10.3 Safety devices 20 10.4 Filter for water based extinguishers 21a 10.5 Hose and coupling systems, for CO2 extinguishers 21b 10.5 Hose and cou

26、pling systems, for other extinguishers 22a 10.6 Control valve, for CO2 extinguishers 22b 10.6 Control valve, for 1 and 2 kg powder extinguiushers 22c 10.6 Control valve, for other extinguishers 23 11.1.1 Pressure gauge 24 11.1.2 Pressure gauge scale 25 11.1.3 Pressure gauge error after cycling 26 11

27、.1.4 Compability of pressure gauge materials 27 11.2 Pressure indicator 28 12.1 Horn / hose for CO2 extinguishers 29 12.2 Horn resistance to static load 30 12.3 Security of horn / hose fixing 31 12.4 Horn resistance to temperature 32 13 Mounting bracket 33 14.1 Resistance to external corrosion 34 14

28、.2 Resistance to internal corrosion 35 15.2 Class A fire rating 36 15.3 Class B fire rating 37 16.1 Extinguisher identification, colour CEN/TR 14922:2005 (E) 6 Model of laboratory test report according to EN 3-7:2004 1) Control of discharge (EN 37:2004, 4.2) Provision of device to interrupt discharg

29、e (yes/no) Self closing device (yes/no) Compliance to 4.2 (yes/no) 2) Operating position (EN 37:2004, 4.3) Operation without inversion (yes/no) Operating device location conform to requirements (yes/no) Compliance to 4.3 (yes/no) 3) Hose assembly (EN 3-7, 4.4) Nominal weight (kg)/ volume of agent (l

30、) Requirement for hose (yes/no) Length of actual flexible hose fitted (mm) Required length (mm) 400 / 250 Compliance to 4.4 (yes/no) 4) Propellants (EN 37:2004, 4.5) Type of propellant (to be checked by documentation) Tracer Compliance to 4.5 (yes/no) 5) Means of checking pressure for stored pressur

31、e extinguishers (EN 37:2004, 4.6) Means for pressure check available (yes/no/not applicable) A Pressure gauge B Pressure indicator C Pressure connection Compliance to 4.6 (yes/no) 6) Nominal charges (EN 37:2004, 6.1) Nominal charge (kg/l) Compliance to 6.1 (yes/no) 7) Filling tolerances (EN 37:2004,

32、 6 2) Sample 1 2 3 4 Actual (kg/l) Deviation from nominal (%) Maximum allowed tolerance (%) Compliance to 6.2 (yes/no) CEN/TR 14922:2005 (E) 7 8) Design of filling opening (EN 37:2004, 6.3) Provision to vent pressure (yes/no) Pressure released within 1/3 of disassembly (yes/no) Diameter of actual fi

33、lling opening (mm) Required minimum diameter 20 mm 3 kg or 3 l 25 mm Compliance to 6.3 (yes/no) 9) Duration of operation, minimum duration (EN 37:2004, 7.1.1) Sample 1 2 3 Measured duration (s) Required duration (s) Compliance to 7.1.1 (yes/no) 10) Duration of operation, spread of measurements (EN 3

34、7:2004, 7.1.2) Deviation of measured time from average discharge duration: Average discharge duration (s) Sample 1 2 3 Actual deviation (%) Required deviation (%) 15 Compliance to 7.1.2 (yes/no) 11) Residual charge (EN 37:2004, 7.2) Residue as a percentage of the nominal charge: Sample 1 2 3 Actual

35、(%) Required (%) 10 Compliance to 7.2 (yes/no) 12) Commencement of discharge (EN 37:2004, 7.3) Sample 1 2 3 Measured (s) Required (s) 4 Compliance to 7.3 (yes/no) CEN/TR 14922:2005 (E) 8 13) Temperature cycling (EN 3-7, 7.4) Temperature cycling Cycle A Cycle B Sample 1 2 3 4 Temperature at start of

36、cycle (C) T min : T min : T max : T max : Temperature at end of cycle (C) T max: T max: T min: T min: Commencement of discharge Actual (s) Commencement of discharge Required (s) 10 Maximum duration of operation Actual (s) 1 Maximum duration of operation Required (s) 1 Minimum duration of operation A

37、ctual (s) Minimum duration of operation Required (s) 6 Max. duration of operation for CO2 Actual (s) Max. duration of operation for CO2 Required (s) 2,5 times the average value at 20C Residual charge Actual (%) Residual charge Required (%) (2) Compliance to 7.4 (yes/no) (1)The maximum duration of op

38、eration shall be not more than twice the value established at a temperature of 20C. for all extinguishers except for CO2 (2) Maximum 15% for BC powder, maximum 10% for all other agents. 14) Retention of propellant (EN 37:2004, 8.1) Verification possible (yes/no) Verification method (by weighing / by

39、 pressure) Verification device (connection / gauge / indicator) Compliance to 8.1 (yes/no) 15) Leakage acceptance level (EN 37:2004, 8.2) Sample 1 2 Actual leakage % (1) Required rate of leakage 6 % / year (1) Actual leakage % (2) Required rate of leakage 5 % weight / year (2) Compliance to 8.2 (yes

40、/no) (1) For stored pressure extinguishers, % of the expanded free gas volume at 20 C. (2) For cartridge operated and CO2 extinguishers % of the nominal charge. 16) Dielectric test, for water based extinguishers (EN 37:2004, 9.2) Actual current at 35 kV (mA) Required current at 35 kV (mA) 0,5 mA Com

41、pliance to 9.2 (yes/no) 17) General requirement for use of extinguishers (EN 37:2004, 10.1) Capable to use extinguisher without mounting, removal or modifying of any component except for the safety device (yes/no) Compliance to 10.1 (yes/no) CEN/TR 14922:2005 (E) 9 18a) Operating force for CO2 extin

42、guishers (EN 37:2004, 10.2) Activation without repetition of action (yes/no) Force to activate the extinguisher at 40C: Sample 1 2 Actual (N) Required (N) 200 Force to activate the extinguisher at T max : Sample 1 2 Actual (N) Required (N) 300 Compliance to 10.2 (yes/no) 18b) Operating force for oth

43、er extinguishers (EN 37:2004, 10.2) Activation without repetition of action (yes/no) Force to activate the extinguisher: Sample 1 2 Actual force to activate finger trigger (N) Required force to activate finger trigger (N) 100 Actual force to squeeze grip lever (N) Required force to squeeze grip leve

44、r (N) 200 Actual force to screw down hand wheel (N) (1) Required force to screw down hand wheel (N) (1) 100 Actual energy to strike knob (J) Required energy to strike knob (J) 2 Compliance to 10.2 (yes/no) (1) Measured at outside of the wheel. Maximum of 360 rotation to full open position. 19) Safet

45、y devices (EN 37:2004,10.3) Release of safety device distinct from operating mechanism (yes/no) Removal of safety device can be seen (yes/no) Force to release safety device: Sample 1 2 Actual (N) Required (N) 20 100 Attempt to initiate discharge without release of safety device: Sample 1 2 Deformati

46、on or damage of operating mechanism in case of double force ( yes/no ) Compliance to 10.3 (yes/no) 20) Filter for water based extinguishers (EN 37:2004, 10.4) Filter position upstream of smallest orifice (yes/no) Area of each filter orifice smaller than smallest area of the discharge passage (yes/no

47、) Area of smallest orifice in discharge passage (mm 2 ) Total area of filter orifices (mm 2 ) Total filter area 8 times larger than smallest orifice area (yes/no) Filter accessible for maintenance (yes/no) Compliance to 10.4 (yes/no) CEN/TR 14922:2005 (E) 10 21a) Hose and coupling systems, for CO2 e

48、xtinguishers (EN 37:2004, 10.5) Functional throughout operating temperature range (yes/no) Suitable design to prevent hose damage ( yes/no ) Burst pressures (bar) at T min , 20 C and T max (C): Actual test temperature sample 1 Required test temperature 205C Actual burst pressure sample 1 Required burst pressure 1,5 x P(T max ) Actual test temperature sample 2 Required test temperatu