ISO INTERNATIONAL STANDARD 4064-5 First edition 2014-06-01 Water meters for cold potable water and hot water - Part 5: Installation requirements Compteurs d'eau potable froide et d'eau chaude - Partie 5: Exigences d'installation Reference number IS0 4064-5:2014(E) LSO @ IS0 2014 HS under ted without license from IHS Not for Resale IS0 4064-5:2014(E) COPYRIGHTPROTECTEDDOCUMENT ISO2014 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 Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2014 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 4064-5:2014(E) Contents Page Foreword ..iv 1 Scope 1 2 Normative references. ..1 3 Terms and definitions 4 Criteria for the selection of water meters .2 4.1 General considerations 2 4.2 Information to be provided by the manufacturer .2 4.3 Meters operating in parallel or in a group ..2 5 Associated fittings. .3 5.1 General. ..3 5.2 Upstream of the meter 3 5.3 Downstream of the meter 3 6 Installation .4 6.1 General requirements 4 6.2 Installationreguirements ..4 6.3 Water quality (suspended particles) .5 6.4 Electromagnetic meters .5 6.5 Meters operating in parallel or in a group .5 6.6 Security of operation. .5 7 Hydraulic disturbances 5 7.1 Generalconsiderations .5 7.2 Methods to eliminate disturbances. .6 8 First operation of new or repaired water meters .7 8.1 .7 Generalconsiderations 8.2 Meters operating in parallel or in a group .7 8.3 Protection of the meter.. ..7 8.4 Safety of personnel and users .9 8.5 Comfort of personnel - Access to the water meter and fittings 10 Bibliography .12 iii ded by IHS under lic ense with ISt thout license from IHS Not for Resale