BS-AU-261-1995 ISO-2974-1994.pdf
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1、BRITISH STANDARD AUTOMOBILE SERIES BS AU 261:1995 ISO 2974:1994 Diesel engines High-pressure fuel injection pipe end-connections with 60 female cone ICS 43.060.40 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:08:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI
2、 BS AU 261:1995 This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 December 1995 BSI 09-1999 The following BSI references relate to the work on this standard: Committee
3、reference MCE/22 Draft for comment 93/708303 DC ISBN 0 580 24940 9 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee MCE/22, Engines for road vehicles, upon which the following bodies were represented: AEA Technology Automo
4、bile Association Department of Transport Freight Transport Association Garage Equipment Association Institute of Road Transport Engineers Motor Industry Research Association Road Haulage Association Ltd. Society of Motor Manufacturers and Traders Ltd. Coopted members Amendments issued since publicat
5、ion Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:08:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 261:1995 BSI 09-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2Normative references1 3Re
6、quirements1 4Designation1 Figure 1 End-connection Type 11 Figure 2 End-connection Type 22 Figure 3 Shape of detail X on end-connections, types 1 and 22 Figure 4 Pipe end assembly2 Table 13 List of referencesInside back cover Licensed Copy: London South Bank University, London South Bank University,
7、Sat Dec 09 02:08:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 261:1995 ii BSI 09-1999 National foreword This British Standard has been prepared by Technical Committee MCE/22. It is identical with ISO 2974:1994 Diesel engines High-pressure fuel injection pipe end-connections with 60 female con
8、e, published by the International Organization for Standardization (ISO). The Technical Committee has reviewed the provisions of ISO 3508:1976 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
9、not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred toCorresponding British Sta
10、ndard ISO 261:1973BS 3643 ISO metric screw threads Part 1:1981 Principles and basic data ISO 7876-4:1994BS AU 260 Fuel injection equipment Vocabulary Part 4:1995 High-pressure pipes and end-connections (Identical) Summary of pages This document comprises a front cover, an inside front cover, pages i
11、 and ii, pages 1 to 4, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: London South Bank University, London South Bank Universi
12、ty, Sat Dec 09 02:08:43 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS AU 261:1995 BSI 09-19991 1 Scope This International Standard specifies the dimensional requirements of high-pressure pipe end-connections for diesel (compression-ignition) engine fuel injection equipment. It applies to 60 female c
13、ones with external threaded end-connections types 1 and 2 (see Figure 1 to Figure 3), and to the connection end (see Figure 4) of high-pressure pipe end-connections for tubes with diameters up to 12 mm inclusive. 2 Normative references The following standards contain provisions which, through refere
14、nce in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were 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 m
15、ost recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 261:1973, ISO general purpose metric screw threads General plan. ISO 3508:1976, Thread run-outs for fasteners with thread in accordance with ISO 261 and ISO
16、 262. ISO 7876-4: , Fuel injection equipment Vocabulary Part 4: High-pressure pipes and end connections1). 3 Requirements 3.1 Dimensions and tolerances Figure 1 and Figure 2 indicate the basic requirements for the end-connection at the fuel injector and fuel injection pump to allow interchangeabilit
17、y for high-pressure fuel injection pipe assemblies. The 60 female cone and its relationship to the external thread of the connector shall meet the requirements of Figure 1: variations at the smaller end of the female cone as shown in Figure 3 are acceptable. Dimensions and tolerances are given in Ta
18、ble 1. Details not specified are left to the manufacturers choice. With reference to dimension T in Figure 1 and Figure 2, the external thread may be made optionally to type 1 or 2. However it shall be possible to screw the GO-gauge for the thread up to the plane specified by dimension T for both ty
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