ISO INTERNATIONAL STANDARD 11601 Third edition 2017-07 Fire fighting Wheeled fire extinguishers Performance and construction Lutte contre I'incendie - Extincteurs sur roues - Performances et construction Reference number ISO 11601:2017(E) so International Organization for Standardization @ IS0 2017 Not for Resale, 2017/9/27 05:18:59 see=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under I No reproduction or networking permitted without license from IHS IS0 11601:2017(E) COPYRIGHT PROTECTEDDOCUMENT IS0 2017, Published in Switzerland 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 +41 22 749 09 47 [email protected] www.iso.org Licensee-ZHEJIANG INST OF STANDARDIzoISQ 07 - All rights reserved HS und networking permited without license from IHS IS0 11601:2017(E) Contents Page Foreword ..V 1 Scope .1 2 Normative references 3 Terms and definitions 4 Types of wheeled fire extinguishers 5 Extinguishing media, propellants and fill densities 5.1 Extinguishing media. .4 5.1.1 Carbon dioxide 5.1.2 Clean agents. ..4 5.1.3 Powder. 5.1.4 Foam concentrates. 4 5.2 Propellants ..4 5.3 Fill density. .4 5.4 Filling tolerance ..4 5.5 Charges .5 5.5.1 Nominal charge. 5 5.5.2 Gross weight .5 6 Performance. .5 6.1 Operating temperatures. .5 6.2 Effective discharge time and bulk range of discharge .5 6.2.1 Effective discharge time. .5 6.2.2 Bulk range. 6.3 Resistance to temperature changes 6 6.3.1 Requirements ..6 6.3.2 Test procedure .6 6.4 Retention of charge. ..7 6.4.1 Checking. .7 6.5 Intermittent discharge test. 1 6.6 Resistance to corrosion .7 6.6.1 External corrosion test. .7 6.6.2 Internal corrosion test for water and foam extinguishers 6.7 Durability test. .8 6.8 Electrical conductivity of extinguisher discharge 6.8.1 Requirement 9 6.8.2 Procedure used to test for electrical conductivity. ..9 7 Fire performance tests ..9 7.1 Suitability for the various classes of fire .9 7.2 Class A fire tests ..10 7.3 Class B fire tests ..10 7.4 Class D fire tests. .10 8 Construction requirements ..10 8.1 General requirements .10 8.2 High-pressure cylinders .11 8.3 Low-pressure cylinders. .11 8.3.1 General. .11 8.4 Steel cylinders.. ..11 8.4.1 Weldedlow-carbonsteel ..11 8.4.2 ..12 Stainless steelcylinders 8.5 Aluminium cylinders. ..12 8.6 Minimum wall thickness. .12 8.7 Caps, valves and closures ..12 8.8 Safety and anti-overfill devices .13 ntematonalgnzationS7 -All rights reserved iii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under license with ISO ed withoutlicense from IHS Not for Resale, 2017/9/27 05:18:59