ISO INTERNATIONAL STANDARD 15171-2 Secondedition 2016-02-15 Connections for fluid power and general use - Hydraulic couplings for diagnostic purposes - Part 2: Coupling with M16 x 2 end for connection under pressure Raccordements pour transmissions hydrauliques et pneumatiques et usage géneral Raccords hydrauliques pour diagnostics Partie 2: Raccord avec extrémité M16 x 2 pour connexion sous pression Reference number ISO 15171-2:2016(E) ISO International Organization for Standardization @ IS0 2016 HEJIANG INST OF STANDARDIZATION C1 5956617 ed without license from IHS IS0 15171-2:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2016, Published in Switzerland All rights reserved. Unless otherwise specified, 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's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8 · CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Internatinai br DrganizationforStandardization Licensee-ZHEJIANG INST OF STANDARDIZAISQ 0d6 - All rights reserved Not for Resale, 2016/4/26 02:29:39 networking permited withoutlicense from IHS IS0 15171-2:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions .2 4 Performance requirements .2 4.1 General .2 4.2 Working pressure and temperature .2 4.3 Flow rate and pressure drop. .2 4.4 Connection of the coupling with a coupling counterpart .2 4.5 Burst and cyclic endurance (impulse) test pressures 3 4.6 Test requirements 3 5 Design .3 5.1 Basic dimensions. 3 5.2 Diagnostic coupling with a stud end Is0 6149-2, M14 × 1,5 .5 5.3 Diagnostic coupling with a stud end IS0 9974-2, M14 × 1,5 .5 5.4 Diagnostic coupling with a stud end IS0 1179-2, G1/4 ..5 5.5 Diagnostic coupling with a stud end IS0 11926-2, 7/16-20 UNF .6 6 Manufacture .6 6.1 Construction .6 6.2 Workmanship .6 6.3 Finish. ..7 7 Designation of couplings .7 8 Marking ..7 9 Identification statement (reference to this part of Is0 15171) ..7 Annex A (informative) Other hydraulic connection types suitable for diagnostic couplings ..8 Bibliography 9 iii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 thout license from IHS