BS 2M 59-1993 ISO 7319-1992.pdf
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1、BRITISH STANDARD AEROSPACE SERIES BS 2M 59:1993 ISO 7319:1992 Specification for Interface of metric couplings, 24 cone, for aerospace fluid systems UDC 621.643.414:629.7.064.2/.3 Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:15:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2M 59:1993
2、This British Standard, having been prepared under the direction of the Aerospace Standards Policy Committee, was published under the authority of the Standards Board and comes into effect on 15 August 1993 BSI 12-1999 First published April 1986 Second edition August 1993 The following BSI references
3、 relate to the work on this standard: Committee reference ACE/- Draft for comment 91/77454 DC ISBN 0 580 22500 3 Committees responsible for this British Standard The preparation of this British Standard was undertaken by the Aerospace Standards Policy Committee (ACE/-) upon which the following bodie
4、s were represented: British Airways Department of Trade and Industry (Air Division) Institution of Electrical Engineers Ministry of Defence Society of British Aerospace Companies Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:15:38
5、GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2M 59:1993 BSI 12-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2Normative reference1 3Coupling assembly and sealing principle1 4Dimensions1 Annex A (informative) Bibliography4 Figure 1 Dimensions2 Table 1 Dimen
6、sions3 List of referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:15:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2M 59:1993 ii BSI 12-1999 National foreword This British Standard has been prepared under the direction of the Aerospace Standards Policy Committee
7、. It is identical with ISO 7319:1992 Aerospace Fluid systems Interface of 24 cone metric couplings, published by the International Organization for Standardization (ISO). This British Standard supersedes BS M 59:1986 which is withdrawn. Cross-reference The Technical Committee has reviewed the provis
8、ions of ISO 5855-3:1988, to which normative reference is made in the text, and has decided that they are acceptable for use in conjunction with this standard. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for the
9、ir correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 4, an inside back cover and a back cover. This standard has been updated (se
10、e copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:15:38 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 2M 59:1993 BSI 12-19991 1 Scope This International Standa
11、rd defines the geometry of the interface of removable 24 cone couplings for fluid systems in aircraft. The connection with the pipe of each one of the connecting elements may be of different design. This International Standard specifies the dimensions which allow the interchangeability of the male a
12、nd female elements and of the nut used for the connection. The dimensions define the maximum volume of the male fitting. 2 Normative reference The following standard contains provisions which, through reference in this text, constitute provisions of this International Standard. At the time of public
13、ation, the edition indicated was valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent edition of the standard indicated below. Members of IEC and ISO maintain registers o
14、f currently valid International Standards. ISO 5855-3:1988, Aerospace MJ threads Part 3: Limit dimensions for fittings for fluid systems. 3 Coupling assembly and sealing principle The coupling comprises three elements as follows. a) A female element including a frustum with a cone angle equal to 24,
15、 with which the male element comes into contact to provide sealing. The contact line is a circle with a theoretical diameter, E. b) A male element, included inside a shell composed of two frustums connected by a spherical section with which the female element comes into contact to provide sealing. T
16、he contact line is a circle with a theoretical diameter, E. c) A nut allowing assembly of the male and female elements of the coupling. 4 Dimensions The dimensions shall be as shown in Figure 1 and given in Table 1. Licensed Copy: sheffieldun sheffieldun, na, Tue Nov 28 14:15:38 GMT+00:00 2006, Unco
17、ntrolled Copy, (c) BSI BS 2M 59:1993 2 BSI 12-1999 Key Point a:origin at E/2 from the XX axis Point b:point located at a distance R from point a, on the perpendicular to the line tilted 12 relative to XX and passing through point a Point c:located at B/2 from the XX axis and at a distance P from poi
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