1、BRITISH STANDARD AEROSPACE SERIES BS EN 3868:2004 Pipe couplings, loose flanges and seals Flange connectors, welded, in titanium alloy TI-P64001 The European Standard EN 3868:2004 has the status of a British Standard ICS 49.080 BS EN 3868:2004 This British Standard was published under the authority
2、of the Standards Policy and Strategy Committee on 5 January 2005 BSI 5 January 2005 ISBN 0 580 45179 8 National foreword This British Standard is the official English language version of EN 3868:2004. It supersedes BS EN 3868:2003 which is withdrawn. The UK participation in its preparation was entru
3、sted to Technical Committee ACE/12, Aerospace fasteners and fastening systems, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publicat
4、ions referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necess
5、ary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interp
6、retation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 1 to 7 and a back cover. The BSI copyr
7、ight notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3868 November 2004 ICS 49.080 Supersedes EN 3868:2003 English version Aerospace series - Pipe couplings,
8、 loose flanges and seals - Flange connectors, welded, in titanium alloy TI-P64001 Srie arospatiale - Raccords, brides amovibles et joints - Raccords souder en alliage de titane TI-P64001 Luft- und Raumfahrt - Rohrverbindungen mit losen Flanschen und Flachdichtungen - Schweistutzen aus Titanlegierung
9、 TI-P64001 This European Standard was approved by CEN on 11 September 2003. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and biblio
10、graphical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of
11、a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, La
12、tvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 20
13、04 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3868:2004: EEN 3868:2004 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Required characteristics.4 4 Designation 7 5 Marking .7 6 Quality assurance7 EN 3868:200
14、4 (E) 3 Foreword This document (EN 3868:2004) has been prepared by the European Association of Aerospace Manufacturers - Standardization (AECMA-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Assoc
15、iations and the Official Services of the member countries of AECMA, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2005, and conflicting national standards s
16、hall be withdrawn at the latest by May 2005. This document supersedes EN 3868:2003. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Est
17、onia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 3868:2004 (E) 4 1 Scope This standard specifies the characteristics of weld
18、ed flanged connectors in TI-P64001, for aerospace applications. NOTE Assembly in accordance with TR 4053 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the
19、 latest edition of the referenced document (including any amendments) applies. ISO 286-2, ISO system of limits and fits Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts EN 2424, Aerospace series Marking of aerospace products EN 3310, Aerospace series Titanium all
20、oy TI-P64001 Not heat treated Grade 2 forging stock, for annealed forgings a or D 360 mm 1)EN 3311, Aerospace series Titanium alloy TI-P64001 Annealed Bar for machining D 150 mm 1)EN 9100, Aerospace series Quality management systems Requirements (based on ISO 9001:2000) and Quality systems Model for
21、 quality assurance in design, development, production, installation and servicing (based on ISO 9001:1994) TR 4053, Aerospace series Pipe couplings, loose flanges and seals in titanium alloy Assembly recommendations 2)3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figu
22、re 1 and Table 1. Dimensions and tolerances are in millimetres. 3.2 Materials EN 3310 or EN 3311 1)Published as AECMA Prestandard at the date of publication of this standard 2)Published as AECMA Technical Report at the date of publication of this standard EN 3868:2004 (E) 5 Remove sharp edges 0,2 to
23、 0,4 Key 1 marking 2 radius 0,3 to 0,5 Figure 1 R a3,2 R a0,8 c R a3,2 R a0,8 c EN 3868:2004 (E) 6 Table 1 Tube D 1D 2D 3D 4D 5F G M N D 6D 7D 8Mass b Dimensional code nominal diameter h10 a1 0 0 , 1 0 0 , 1 0 0 , max. max. min. 0,2 0 1 0, + 0 1 0, + 0 1 0, + 0 1 0, +0 1 0, +0 1 0, +120060 0,6 10,8
24、12,9 68 120080 0,8 10,4 73 120100 12 1 21,1 10 14,2 19,4 20,5 12,9 12 12,1 13,1 77 140060 0,6 12,8 14,9 83 140080 0,8 12,4 89 140100 14 1 23,1 12 16,2 21,4 22,5 14,9 14 14,1 15,1 94 160060 0,6 14,8 16,9 110 160080 0,8 14,4 116 160100 16 1 26,1 14 19,2 24,4 24,5 16,9 2,3 15,2 1,6 0,8 16 16,1 17,1 122
25、 180060 0,6 16,8 18,9 138 180080 0,8 16,4 145 180100 18 1 28,1 16 21,2 26,4 26,5 18,9 18 18,1 19,1 152 200060 0,6 18,8 20,9 159 200080 0,8 18,4 167 200100 20 1 30,1 18 23,2 28,4 28,5 20,9 20 20,1 21,1 175 220060 0,6 20,8 22,9 181 220080 0,8 20,4 190 220100 22 1 32,1 20 25,2 30,4 30,5 22,9 2,8 15,7 1
26、,8 0,9 22 22,1 23,1 199 250080 0,8 23,4 241 250100 25 1 35,1 23 28,2 33,4 33,5 25,9 2 1 25 25,1 26,1 251 280080 0,8 26,4 284 280100 28 1 38,1 26 31,2 36,4 36,5 28,9 2,2 1,1 28 28,1 29,1 296 320080 0,8 30,4 347 320100 32 1 42,1 30 35,2 40,4 40,5 32,9 2,4 1,2 32 32,1 33,1 360 400080 0,8 38,4 495 40010
27、0 40 1 50,1 38 43,2 48,4 48,5 40,9 3,3 16,2 2,8 1,3 40 40,1 41,1 512 aTolerance in accordance with ISO 286-2 bMass quoted in kg/1 000 parts EN 3868:2004 (E) 7 4 Designation EXAMPLE Description block FLANGE CONNECTOR, WELDED Identity block EN3868-120100 Number of this standard Dimensional code (see T
28、able 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking EN 2424, category A, as indicated on Figure 1. 6 Quality assurance EN 9100 BS EN 3868:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the i
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