1、BS ISO 11218:2017Aerospace Cleanlinessclassification for hydraulicfluidsBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS ISO 11218:2017 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 11218:2017.The UK participation in its pre
2、paration was entrusted to Technical Committee ACE/69, Aerospace hydraulic systems, fluids and com-ponents.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users a
3、re responsible for its correct application. The British Standards Institution 2017.Published by BSI Standards Limited 2017ISBN 978 0 580 89375 9 ICS 49.080 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the
4、Standards Policy and Strategy Committee on 28 February 2017.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS ISO 11218:2017 ISO 2017Aerospace Cleanliness classification for hydraulic fluidsAronautique et espace Classes de propret des fluides hydrauliquesINTERNATIONAL STAN
5、DARDISO11218Second edition2017-02Reference numberISO 11218:2017(E)BS ISO 11218:2017ISO 11218:2017(E)ii ISO 2017 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2017, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized
6、 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 ISOs member body in the country of the requester.ISO copyright of
7、ficeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 11218:2017ISO 11218:2017(E)Foreword iv1 Scope . 12 Normative references 13 Terms and definitions . 14 Requirements 15 Identification statement (reference to th
8、is document) . 16 Revision of AS4059F . 2 ISO 2017 All rights reserved iiiContents PageBS ISO 11218:2017ISO 11218:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International St
9、andards is normally 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
10、 take part in 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
11、 particular the 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 eleme
12、nts of this document 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
13、 (see www .iso .org/ 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 adhe
14、rence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www .iso .org/ iso/ foreword .html.The committee responsible for this document is ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 10, Aerospace fluid systems and components.
15、This second edition cancels and replaces the first edition (ISO 11218:1993), which has been technically revised with the following change: references to AS 4059 have been updated.iv ISO 2017 All rights reservedBS ISO 11218:2017INTERNATIONAL STANDARD ISO 11218:2017(E)Aerospace Cleanliness classificat
16、ion for hydraulic fluids1 ScopeThis document specifies a cleanliness classification for hydraulic fluids in aeroplanes, helicopters and space vehicles.2 Normative referencesThe following documents are referred to in the text in such a way that some or all of their content constitutes requirements of
17、 this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.AS4059F, Aerospace fluid power Contamination classification for hydraulic fluids3 Terms and definitionsNo terms and definitio
18、ns are listed in this document.ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at h t t p :/ www .electropedia .org/ ISO Online browsing platform: available at h t t p :/ www .iso .org/ obp4 RequirementsRequirements are
19、 specified in SAE AS4059F1)which is adopted as a de facto ISO International Standard.For the purposes of international standardization, the modification outlined below shall apply to the specific clause of AS4059F.Page 12 Reference documentsAdd the following reference:ISO 5884, Aerospace Fluid Syste
20、ms and components Methods for system sampling and measuring the solid particle contamination of hydraulic fluids5 Identification statement (reference to this document)Use the following statement when electing to comply with ISO 11218:“Hydraulic fluid cleanliness classifications in accordance with IS
21、O 11218.”1) AS4059F is a copyrighted publication of the Society of Automotive Engineers (SAE). Copies of the original text in English are available from: Society of Automotive Engineers, 400, Commonwealth Drive, Warrendale, PA 15096-0001, USA. ISO 2017 All rights reserved 1BS ISO 11218:2017ISO 11218
22、:2017(E)6 Revision of AS4059FIt has been agreed with SAE that Technical Committee ISO/TC 20 will be consulted in the event of any revision or amendment of AS4059F.2 ISO 2017 All rights reservedBS ISO 11218:2017BS ISO 11218:2017ISO 11218:2017(E) ISO 2017 All rights reservedICS 49.080Price based on 2
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