ISO INTERNATIONAL STANDARD 13948-1 Second edition 2015-08-15 Diesel engines Fuel injection pumps and fuel injector low-pressure connections Part 1: Threaded connections Moteurs diesels -Raccords basse pression pour pompes d'injection de combustible et porte-injecteurs de combustible complets Partie 1: Raccords fileteés Reference number IS0 13948-1:2015(E) SO International Organization for Standardization @ IS0 2015 dardization5956617 ted without license from IHS IS0 13948-1:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS02015,PublishedinSwitzerland 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 Intenationaibr PrganizationforStandardization Not for Resale, 2015/11/11 08:37:08 etworking permitted without license from IHS IS0 13948-1:2015(E) Contents Page Foreword ..iv Introduction. 1 Scope. 2 Normative references 3 Terms, definitions and symbols. 3.1 Terms and definitions .1 3.2 Symbols.... .2 4 Connection designs and applications .2 4.1 General. 2 4.2 Types of connection .2 4.2.1 Type A: banjo connection (see Figure 1) 2 4.2.2 Type B: O-ring seal connection (see Figure 2) .2 4.2.3 Type C: compression seal connection (see Figure 3) .2 4.2.4 Type D: internal rubber ring seal “flexible" connection (see Figure 4) .3 4.2.5 Type E: external rubber ring seal "flexible" connection (see Figure 5) .3 5 Dimensions and tolerances 6 Designation ..3 Bibliography 9 ntemaonalganizatin5All rights reserved iii Not for Resale, 2015/11/11 08:37:08 see=Zhejiang Institute of Standardization 5956617 vided by IHS under I ithout license from IHS