1、BSI Standards PublicationBS ISO 3723:2015Hydraulic fluid power Filterelements Method for endload testBS ISO 3723:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 3723:2015. Itsupersedes BS ISO 3723:1976 which is withdrawn.The UK participation in its prepara
2、tion was entrusted to TechnicalCommittee MCE/18/-/6, Contamination control.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapp
3、lication. The British Standards Institution 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 87063 7ICS 23.100.60Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Commi
4、ttee on 31 May 2015.Amendments issued since publicationDate Text affectedBS ISO 3723:2015 ISO 2015Hydraulic fluid power Filter elements Method for end load testTransmissions hydrauliques lments filtrants Mthode de dtermination de la rsistance la dformation axialeINTERNATIONAL STANDARDISO3723Second e
5、dition2015-05-15Reference numberISO 3723:2015(E)BS ISO 3723:2015ISO 3723:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any fo
6、rm 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 ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonne
7、t 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 3723:2015ISO 3723:2015(E)Foreword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 Test equipment. 15 Test procedure 16 Criteria for acceptance . 17
8、 Identification statement . 2 ISO 2015 All rights reserved iiiContents PageBS ISO 3723:2015ISO 3723:2015(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is nor
9、mally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in
10、the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular th
11、e different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this docu
12、ment may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.or
13、g/patents). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO p
14、rinciples in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary informationThe committee responsible for this document is ISO/TC 131, Fluid power systems, Subcommittee SC 6, This second edition cancels and replaces the first edition (ISO 3723:1976), of which it con
15、stitutes a minor revision to update the format of this International Standard and to editorially improve Clause 4 and Clause 5.iv ISO 2015 All rights reservedBS ISO 3723:2015ISO 3723:2015(E)IntroductionIn hydraulic fluid power systems, power is transmitted and controlled through a fluid under pressu
16、re within an enclosed circuit. Filters maintain fluid cleanliness by removing insoluble contaminants.The filter element is the porous device which performs the actual process of filtration. ISO 2015 All rights reserved vBS ISO 3723:2015BS ISO 3723:2015Hydraulic fluid power Filter elements Method for
17、 end load test1 ScopeThis International Standard specifies a method for verifying the end load rating of a hydraulic fluid power filter element. It also verifies the ability of a hydraulic fluid power filter element to withstand the designated axial loading imposed by installation and use.2 Normativ
18、e referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) appl
19、ies.ISO 2941, Hydraulic fluid power Filter elements Verification of collapse/burst pressure ratingISO 2943, Hydraulic fluid power Filter elements Verification of material compatibility with fluidsISO 5598, Fluid power systems and components Vocabulary3 Terms and definitionsFor purposes of this docum
20、ent, the terms and definitions in ISO 5598 and the following apply.3.1end loadaxial force applied to the end of a filter element which can cause permanent deformation or seal failure3.2rated end loadmaximum specified axial force which can be applied to a filter element without permanent deformation
21、or seal failure4 Test equipmentSuitable weights or mounting fixtures for applying the designated axial loads to simulate the installation and usage requirements of the filter element undergoing evaluation.5 Test procedure5.1 Subject the filter element to the material compatibility test according to
22、ISO 2943.5.2 After the 72 h hot soak portion of ISO 2943, cool the filter element to room temperature and subject it for 5 min to the axial load designated by the filter manufacturer.6 Criteria for acceptance6.1 There shall be no visual evidence of structural, seal, or filter medium failure.INTERNAT
23、IONAL STANDARD ISO 3723:2015(E) ISO 2015 All rights reserved 1BS ISO 3723:2015ISO 3723:2015(E)6.2 The filter element shall successfully complete the collapse/burst test in accordance with ISO 2941.7 Identification statementUse the following statement in test reports, catalogues, and sales literature
24、 when electing to comply with this International Standard:“Method of verifying filter element end load rating conforms to ISO 3723, Hydraulic fluid power Filter elements Method for end load test.”2 ISO 2015 All rights reservedBS ISO 3723:2015BS ISO 3723:2015ISO 3723:2015(E) ISO 2015 All rights reser
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