ISO INTERNATIONAL STANDARD 6162-1 Second edition 2012-12-15 Hydraulic fluid power Flange connections with split or one-piece flange clamps and metric or inch screws Part 1: Flange connectors, ports and mounting surfaces for use at pressures of 3,5 MPa (35 bar) to 35 MPa (350 bar), DN 13 to DN 127 Transmissions hydrauliques Raccordements a bride avec demi- brides fendue ou bride monobloc et vis métriques ou en inches - Partie 1: Brides, orifices et surfaces de montage pour utilisation a des pressions de 3,5 MPa (35 bar) a 35 MPa (350 bar), DN 13a DN 127 Reference number ISO 6162-1:2012(E) ISO @ISO 2012 Copyright International Organization for Standardization t license from IHS Not for Resale ISO 6162-1:2012(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 Not for Resale ISO 6162-1:2012(E) Contents Page Foreword ..iv Introduction 1 Scope 2 Normative references 3 Terms and definitions 2 4 Material 5 Selection. 3 6 Dimensions and tolerances 7 Corrosion protection, 8 Pressure/temperature requirements 9 Marking. 5 10 Designation of flange connections and their parts... 5 Annex A (informative) Recommended assembly procedures and screw torque levels for flange 18 Annex B (informative) O-ring designation codes and dimensions 20 Bibliography 21 ili lout license from IHS Not for Resale