ISO INTERNATIONAL STANDARD 7076-1 First edition 2012-05-15 Fire protection Foam fire extinguishing systems Part 1: Foam proportioning equipment Protection contreI'incendie-Systemes d'extinction d'incendiea mousse Partie 1: Equipement de dosage de la mousse Reference number ISO 7076-1:2012(E) LSO @ ISO 2012 IHS under itted without license from IHS Not for Resale ISO 7076-1:2012(E) COPYRIGHTPROTECTEDDOCUMENT ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing 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 copyright@iso.org Web.www.iso.org Published in Switzerland @ ISO 2012 -All rights reserved No reproduction networking permitted without license from IHS Not for Resale ISO 7076-1:2012(E) Contents Page Foreword ..iv 1 Scope 2 Normative references : Terms and definitions. 2 4 Requirements .2 4.1 Connections. 4.2 Parts for removal during routine field maintenance 2 4.3 Corrosionresistanceofmetalparts... 4.4 Elastomeric joint rings.. 3 4.5 Plastics and reinforced resin materials. 3 4.6 Strength 3 4.7 Leakresistance 4.8 Proportioning ratio. 4.9 Pressure loss... 4.10 Operation reliability 4.11 Water flow. 4.12 Stress corrosion 4.13 Salt-spray corrosion. 4.14 Light and water exposure 5 Testmethods 5 5.1 General. 5 5.2 Ageing test for plastics and reinforced resin materials 5 5.3 Liquid exposure test.. 5.4 Equipment pressurization test. 5 5.5 Leakresistancetest. 5.6 Proportioning ratio test. 5.7 Pressure loss test ... 5 5.8 Operation reliability test.. 6 5.9 Water flow test.... 5.10 Stress corrosion test. 6 5.11 Salt-spray corrosion test. 5.12 Light and water exposure test 6 Marking. .8 7 Manufacturer's installation and operation instructions .8 Annex A (normative) Tolerances 9 Bibliography 10 ili ed without license from IHS Not for Resale