BS-ISO-16031-1-2002.pdf
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1、BRITISH STANDARD BS ISO 16031-1:2002 Aerospace fluid systems O-rings, inch series: Inside diameters and cross sections, tolerances and size-identification codes Part 1: Close tolerances for hydraulic systems ICS 49.080 ? Copyright British Standards Institution Provided by IHS under license with BSI
2、- Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 22:18:13 MDTNo reproduction or networking permitted without license from IHS -,-,- BS ISO 16031-1:2002 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2008
3、BSI 2008 ISBN 978 0 580 61240 4 National foreword This British Standard is the UK implementation of ISO 16031-1:2002. The UK participation in its preparation was entrusted to Technical Committee ACE/69, Aerospace hydraulic systems, fluids and components. A list of organizations represented on this c
4、ommittee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda is
5、sued since publication DateComments Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 22:18:13 MDTNo reproduction or networking permitted without license from IHS -,-,- Reference number ISO 1603
6、1-1:2002(E) INTERNATIONAL STANDARD ISO 16031-1 First edition 2002-06-15 Aerospace fluid systems O-rings, inch series: Inside diameters and cross sections, tolerances and size-identification codes Part 1: Close tolerances for hydraulic systems Systmes arospatiaux de fluides Joints toriques, srie en i
7、nches: diamtres intrieurs et sections, tolrances et codes didentification dimensionnelle Partie 1: Tolrances serres pour systmes hydrauliques BS ISO 16031-1:2002 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for R
8、esale, 08/14/2008 22:18:13 MDTNo reproduction or networking permitted without license from IHS -,-,- ii Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 22:18:13 MDTNo reproduction or networkin
9、g permitted without license from IHS -,-,- iii Foreword 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 me
10、mber 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 the work. ISO collaborates closely with the International E
11、lectrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. The main task of technical committees is to prepare International Standards. Draft International Standards ad
12、opted by the technical 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 part of ISO 16031 may be the subj
13、ect of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 16031-1 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC 10, Aerospace fluid systems and components. ISO 16031 consists of the following parts, under
14、the general title Aerospace fluid systems O-rings, inch series: Inside diameters and cross sections, tolerances and size-identification codes: Part 1: Close tolerances for hydraulic systems Part 2: Standard tolerances (for non-hydraulic systems) BS ISO 16031-1:2002 Copyright British Standards Instit
15、ution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 22:18:13 MDTNo reproduction or networking permitted without license from IHS -,-,- iv Introduction In fluid power systems, power is transmitted through a fluid (liquid or gas) un
16、der pressure within an enclosed circuit. Components are designed to meet these requirements under varying conditions. Testing of components to meet performance requirements provides users with a basis of assurance for determining design applications and for checking component compliance with their s
17、tated requirements. BS ISO 16031-1:2002 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 22:18:13 MDTNo reproduction or networking permitted without license from IHS -,-,- 1 Aerospace fluid sys
18、tems O-rings, inch series: Inside diameters and cross sections, tolerances and size-identification codes Part 1: Close tolerances for hydraulic systems 1 Scope This part of ISO 16031 specifies the inside diameters, cross-sections, tolerances and size identification codes for inch O-rings used in aer
19、ospace fluid systems. The dimensions and high precision tolerances specified in this part of ISO 16031 are suitable for nitrile and ethylene propylene materials intended for use in high pressure hydraulic fluid systems provided that suitable tooling be available. 2 Normative reference The following
20、normative document contains provisions which, through reference in this text, constitute provisions of this part of ISO 16031. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However parties to agreements based on this part of ISO 16031 are en
21、couraged to investigate the possibility of applying the most recent edition of the normative document indicated below. For undated references, the latest edition of the document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 5598:1985,
22、Fluid power systems and components Vocabulary 3 Terms and definitions For the purposes of this part of ISO 16031 the terms and definitions given in ISO 5598 apply. NOTE Throughout ISO 16301, the term “O-ring” has been adopted although the correct technical term is “toroidal sealing ring”. 4 Configur
23、ation The shape of the O-ring shall be toroidal as shown in Figure 1. 5 Inside diameters, cross-sections and tolerances The combinations of inside diameters, d1, cross-sections, d2, and O-ring tolerances shall be chosen from Tables 1 and 2. For each of these combinations there is a corresponding siz
24、e identification code. BS ISO 16031-1:2002 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 22:18:13 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 Figure 1 Typical
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