ISO INTERNATIONAL STANDARD 18421 Second edition 2016-03-15 Ships and marine technology Inland navigation vessels Lifebuoy housings Navires et technologie maritime - Bateaux de navigation intérieure Coffres a bouée de sauvetage Reference number AX ISO 18421:2016(E) ISO International Organization for Standardization =ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02016 vided by IHS under lic Not for Resale, 2016/6/2 08:44:17 itted without license from IHS IS0 18421:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS02016,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+412274909 47 copyright@iso.org www.iso.org Intenationai br PrganizationforStandardization icensee-ZHEJIANG INST OF STANDARDIZoISQ s.6 - All rights reserved I by IHS unde etworking permitted without license from IHS IS0 18421:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions ..1 4 Requirements ..1 4.1 Dimensions .1 4.2 Design .2 4.2.1 Interior 2 4.2.2 Cover. 2 4.2.3 Mounting. 2 4.3 Material 2 4.4 Resistance. 2 4.5 Temperature stability 2 4.6 Colour 2 4.7 Operational status check and seal ability 3 4.8 Resistance. 3 5 Testing 3 5.1 Scope and testing 3 5.2 Visual inspection and functional test 5.3 Resistance 3 5.4 Strength test 5.5 Mounting instruction. .3 6 Designation ..3 7 Marking .4 iii see=ZHEJIANG INST OF STANDARDIZATION C15956617 d without license from IHS Not for Resale, 2016/6/2 08:44:17