ISO INTERNATIONAL STANDARD 23466 First edition 2020-10 Design criteria for the thermal insulation of reactor coolant system main equipments and piping of PWR nuclear power plants Criteres de conception du calorifuge des composants primaires centrales nucléaires REP Reference number IS0 23466:2020(E) ISO @ IS0 2020 IS0 23466:2020(E) COPYRIGHTPROTECTEDDOCUMENT IS02020 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 below or Iso's member body in the country of the requester. IsO copyrightoffice CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved