ISO INTERNATIONAL STANDARD 20766-6 First edition 2019-05 AMENDMENT 1 2022-10 Road vehicles Liquefied petroleum gas (LPG) fuel systems components Part 6: Pressure relief valves (PRV) AMENDMENT 1 Vehicules routiers - Equipements pour vehicules utilisant le gaz de peétrole liquéfié (GPL) comme combustible - Partie 6: Vannes de controle de la surpression AMENDEMENT1 Reference number IS0 20766-6:2019/Amd.1:2022(E) ISO @IS02022 IS0 20766-6:2019/Amd.1:2022(E) COPYRIGHT PROTECTED DOCUMENT @ IS0 2022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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'smemberbodyinthe country oftherequester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+4122 749 0111 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2022 - All rights reserved