ISO INTERNATIONAL STANDARD 7165 Third edition 2017-07 Fire fighting Portable fire extinguishers Performance and construction Lutte contre I'incendieExtincteurs portatifs-Performances et construction Reference number IS0 7165:2017(E) os1 International Organization for Standardization @ IS0 2017 =ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under lic itted without license from IHS IS0 7165:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS02017,PublishedinSwitzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel.+41 22 749 01 11 Fax +41227490947 copyright@iso.org www.iso.org Intenationai br PrganizationforStandardization icensee-ZHEJIANG INST.OF STANDARDIZRoISQ s1.7 - All rights reserved I by IHS unde Not for Resale, 2017/9/27 05:19:26 etworking permitted without license from IHS IS0 7165:2017(E) Contents Page Foreword ..vi 1 Scope ..1 2 Normative references 3 Terms and definitions 4 Classification of extinguishers ..4 5 Extinguishing media, propellants and filling requirements 5.1 Extinguishing media. .4 5.1.1 Carbon dioxide ..4 5.1.2 Clean agents. .4 5.1.3 Powders. ..4 5.1.4 Foam concentrates .5 5.1.5 Water-based agents. 5.2 Propellants .5 5.3 Filling requirements .5 5.3.1 Fill density .5 5.3.2 Filling tolerance. .5 5.3.3 Charges. .5 Pressure requirements for low-pressure extinguishers .6 6.1 Test pressure. .6 6.2 Minimum burst pressure. General operating performance requirements .6 7.1 Operating temperatures.. ..6 7.2 Minimum effective discharge time and bulk range of discharge 7.2.1 Class A-rated extinguishers .. 6 7.2.2 Class B rated extinguishers .1 7.2.3 Bulk range. ..8 7.3 Resistance to temperature changes ..9 7.3.1 Requirements .9 7.3.2 Test method. .9 7.4 Retention of charge.. .9 7.4.1 Routine checks .9 7.4.2 Retention of charge following partial discharge .10 7.4.3 Long-term leakage test. .11 7.5 Mechanical resistance.. 11 7.5.1 Resistance to impact. .11 7.5.2 Resistancetovibrations .12 7.6 Resistance to corrosion. .13 7.6.1 External corrosion test ..13 7.6.2 Internal corrosion test for extinguishers using water-based media ..14 7.7 Tapping test (powder extinguishers only) .14 7.7.1 Requirements ..14 7.7.2 Test apparatus. .14 7.7.3 Test method. ..17 7.8 Intermittent discharge test ..18 8 Performance requirements for test fires ..18 8.1 Rating suitability for the various classes of fire .18 8.1.1 Class A ..18 8.1.2 Class B. .19 8.1.3 Class C. ..19 8.1.4 Class D .19 8.1.5 Class F. .20 8.2 Test fires- General 20 ntemaionalganzation@S7-All rights reserved iii nsee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 ed withoutlicense from IHS