BSIS03669:2020 BSlStandardsPublication Vacuum technologyDimensions ofknife-edgeflanges bsi. BSISO3669:2020 INTERNATIONAL ISO STANDARD 3669 Third edition 2020-02 Vacuumtechnology-Dimensions of knife-edgeflanges Technique du vide-Dimensions des brides d guillotine Reference number IS0 3669:2020(E) ISO IS02020 BSISO3669:2020 IS03669:2020(E) COPYRIGHTPROTECTEDDOCUMENT IS02020 All rights reserved. Unless otherwise specified, or required in the context of its implementation,no part of this publicatian 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 helow orISo'smemberbody inthe countryoftherequester ISO copyright office CP 40i: Ch.de Blandonnet 8 CH-1214 Vermier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email:copyright@iso.org website:www.iso.org Published in Switzerland i @IS02020All rights reserved