ISO INTERNATIONAL STANDARD 27407 First edition 2010-05-15 Hydraulic fluid power Marking of performance characteristics on hydraulic filters Transmissions hydrauliques - Marquage des caracteristiques de performancesurlesfiltreshydrauliques Reference number ISO 27407:2010(E) @ ISO 2010 for Standardization with ISC No reproduction or networking pemitted without license from IHS Not for Resale ISO 27407:2010(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The iso Central Secretariat accepts no liability in this area Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In COPYRIGHT PROTECTED DOCUMENT @ISO2010 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 CoDvriaht In @ IS0 2010 - All rights reserved vith ISC No reproduction or networking pemitted without license from IHS Not for Resale ISO 27407:2010(E) Contents Page Foreword .iv Introduction 1 Scope 2 Normative references... 3 Terms and definitions .. 4 Symbols, abbreviated terms and units .. 5 Filtration characteristics communicated .. 5.1 Filterelements... 5.2 Spin-on filters .. 6 General layout of filter marking symbols.. 7 Marking of filtration characteristics 7.1 General. 7.2 Characteristics determined by multi-pass testing.. 7.3 Characteristics determined by collapse/burst pressure testing .... 7.4 Characteristics determined by evaluation of differential pressure versus flow..... 7.5 Characteristics determined by fatigue pressure testing of spin-on filters 8 Marking to show installation procedures for spin-on filters 8 9 Identificationstatement(referencetothisInternationalStandard).. Annex A (informative) Examples of marking of filtration characteristics on hydraulic filters.. andardization'ghts reserved ii with ISC Noreproductionor networkingpemitted without icense from HS Not for Resale