BS ISO 3601-4-2008 Fluid power systems - O-rings - Anti-extrusion rings (back-up rings)《液压动力系统 O形密封圈 抗挤压密封圈(支撑密封圈)》.pdf
《BS ISO 3601-4-2008 Fluid power systems - O-rings - Anti-extrusion rings (back-up rings)《液压动力系统 O形密封圈 抗挤压密封圈(支撑密封圈)》.pdf》由会员分享,可在线阅读,更多相关《BS ISO 3601-4-2008 Fluid power systems - O-rings - Anti-extrusion rings (back-up rings)《液压动力系统 O形密封圈 抗挤压密封圈(支撑密封圈)》.pdf(22页珍藏版)》请在麦多课文档分享上搜索。
1、BS ISO3601-4:2008ICS 23.100.60; 83.140.50NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDFluid power systems O-ringsPart 4: Anti-extrusion rings (back-uprings)This British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 3
2、1 July 2008 BSI 2008ISBN 978 0 580 56330 0Amendments/corrigenda issued since publicationDate CommentsBS ISO 3601-4:2008National forewordThis British Standard is the UK implementation of ISO 3601-4:2008.The UK participation in its preparation was entrusted to TechnicalCommittee MCE/11, Fluid seals an
3、d their housings.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer
4、 immunityfrom legal obligations.BS ISO 3601-4:2008Reference numberISO 3601-4:2008(E)ISO 2008INTERNATIONAL STANDARD ISO3601-4First edition2008-06-01Fluid power systems O-rings Part 4: Anti-extrusion rings (back-up rings) Transmissions hydrauliques et pneumatiques Joints toriques Partie 4: Bagues anti
5、-extrusion BS ISO 3601-4:2008ISO 3601-4:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer pe
6、rforming the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes 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
7、 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 the unlikely event that a problem relating to it is found, please inform the Centra
8、l Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2008 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 i
9、n writing from either ISO at the address below or ISOs 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 copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2008 All rights reservedBS I
10、SO 3601-4:2008ISO 3601-4:2008(E) ISO 2008 All rights reserved iiiContents Page Foreword iv Introduction v 1 Scope 1 2 Normative references 1 3 Terms and definitions .1 4 Symbols 2 5 General requirements related to O-ring housings .2 6 Types of anti-extrusion (back-up) rings 3 6.1 Spiral type, T1 3 6
11、.2 Angle cut type, T25 6.3 Solid type, T35 6.4 Angle cut concave type, T4 6 6.5 Solid concave type, T5 7 7 Positioning of anti-extrusion rings in housings.8 8 Anti-extrusion ring designation code and materials8 8.1 Designation code.8 8.2 Materials .9 9 Dimensions and tolerances 9 9.1 Axial and radia
12、l widths of anti-extrusion rings.9 9.2 Outside diameters of anti-extrusion rings for piston sealing applications.10 9.3 Inside diameters of anti-extrusion rings for rod sealing applications.11 10 Identification statement (reference to this part of ISO 3601) .11 BS ISO 3601-4:2008ISO 3601-4:2008(E) i
13、v ISO 2008 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interes
14、ted 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 the work. ISO collaborates closely with the International Electrotechnical C
15、ommission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the tech
16、nical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO
17、shall not be held responsible for identifying any or all such patent rights. ISO 3601-4 was prepared by Technical Committee ISO/TC 131, Fluid power systems, Subcommittee SC 7, Sealing devices. ISO 3601 consists of the following parts, under the general title Fluid power systems O-rings: Part 1: Insi
18、de diameters, cross-sections, tolerances and designation codes Part 2: Housing dimensions for general applications Part 3: Quality acceptance criteria Part 4: Anti-extrusion rings (back-up rings) Part 5: Suitability of elastomeric materials for industrial applications BS ISO 3601-4:2008ISO 3601-4:20
19、08(E) ISO 2008 All rights reserved vIntroduction In fluid power systems, power is transmitted and controlled through a fluid (liquid or gas) under pressure within an enclosed circuit. Where high pressures are encountered, it is recommended that an anti-extrusion ring (back-up ring) be incorporated w
20、ithin the O-ring housing to limit extrusion of the O-ring between the metal parts (e.g. cylinder bore and piston or rod and housing). BS ISO 3601-4:2008BS ISO 3601-4:2008INTERNATIONAL STANDARD ISO 3601-4:2008(E) ISO 2008 All rights reserved 1Fluid power systems O-rings Part 4: Anti-extrusion rings (
21、back-up rings) 1 Scope This part of ISO 3601 specifies dimensions and tolerances for five types of anti-extrusion rings, which are also known as back-up rings: a) spiral type (T1); b) angle cut type (T2); c) solid type (T3); d) angle cut concave type (T4); e) solid concave type (T5). These anti-extr
22、usion rings are for use with selected O-ring sizes as specified in ISO 3601-1 and the relevant housing dimensions specified in ISO 3601-2. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited ap
23、plies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3601-11), Fluid power systems O-rings Part 1: Inside diameters, cross-sections, tolerances and designation codes ISO 3601-2:2008, Fluid power systems O-rings Part 2: Housing dimension
24、s for general applications ISO 5598, Fluid power systems and components Vocabulary 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 5598 apply. 1) To be published. (Revision of ISO 3601-1:2002) BS ISO 3601-4:2008ISO 3601-4:2008(E) 2 ISO 2008 All right
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