1、BRITISH STANDARD AEROSPACE SERIES Pipe coupling 8“30 in titanium alloy - Ferrules, welded with dynamic beam seal end, n e t-or repair The European Standard EN 3081:2001 has the status of a British Standard ICs 43.040.70; 49.025.15 BS EN 3081:2001 r-m u- - x=t“l =BmEB NO COPYING WITHOUT BSI PERMISSIO
2、N EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 3081:2001 Amd. No. National foreword Date Comments This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee an
3、d comes into effect on 18 October 2001 This British Standard is the official English language version of EN 3081:2001. The UK participation in its preparation was entrusted to Technical Committee ACEIiBIi, Aerospace Fasteners, Fastening Systems, Details and Parts (International), which has the respo
4、nsibility to: - - aid enquirers to understand the text; present to the responsible internationaUEuropean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK.
5、- A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement these international or European publications may be found in the BSI Standards Catalogue under the section entitled “International Standards Cor
6、respondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does 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
7、not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued sinc
8、e publication Q FBI 18 October 2001 ISBN O 580 37187 5 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3081 September 2001 ICs 49.080 English version Aerospace series - Pipe coupling 8“30 in titanium alloy - Ferrules, welded with dynamic beam seal end, for repair Srie arospatiale - Systme de ra
9、ccordement 8“30 en alliage de titane - Olive souder avec joint lvre, pour reparation Luft- und Raumfahrt - Rohrverschraubung 8“30 aus Titanlegierung - Anschweistutzen mit Dichtlippe. fr Reparatur This European Standard was approved by CEN on 20 January 2001. CEN members are bound to comply with the
10、CENICENELEC 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 bibliographical references concerning such national standards may be obtained on application to the Management Centre or to
11、 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 a CEN member into its own language and notified to the Management Centre has the same status as the official versions.
12、CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy. Luxembourg, Netherlands, Noway. Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION EUROPISCHES KOMITEE F
13、OR NORMUNG COMIT EUROPEN DE NORMALISATION Management Centre: rue de Stassart, 36 B-I050 Brussels O 2001 CEN All rights of exploitation in any form and by any means resewed worldwide for CEN national Members. Ref. No. EN 3081:2001 E EN 3081:2001 (E) Foreword This European Standard has been prepared b
14、y the European Association of Aerospace Manufacturers (AECMA). Afler inquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of AECMA, prior to its present
15、ation 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 March 2002, and conflicting national standards shall be withdrawn at the latest by March 2002. According to the CENICENELEC Internal R
16、egulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and t
17、he United Kingdom. 2 EN 3081:ZOOl (E) 1 Scope This standard specifies the characteristics of welded ferrules with dynamic beam seal end for pipe couplings 8-30, in titanium alloy, for aerospace applications, to used as repair couplings to replace EN 3243. Nominal pressure: up to 28 O00 kPa Temperatu
18、re range: - 55 “C to 135 “C 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequ
19、ent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies (including amendments). EN 2424, Aerospace series - Marking of aerospac
20、e products. EN 2656, Aerospace series - Pipe coupling - Coupling ends, welded - Geometric configuration. EN 3243, Aerospace series - Pipe coupling 8“30 in titanium alloy - Ferrules, welded, with dynamic beam seal end. EN 3272, Aerospace series - Pipe coupling 8“30 - Dynamic beam seal end for ferrule
21、s, welded - Geometric configuration. EN 3275, Aerospace series - Pipe coupling 8“30up to 28 000 kPa - Dynamic beam seal- Metric series - Technical specification. EN 331 1, Aerospace series - Titanium alloy TI-P64001 - Annealed - Bar for machining - D I 150 IWn.“ EN 3314, Aerospace series - Titanium
22、alloy TI-P64001- Solution treated and aged - Bar for machining - D 5 75 mm.) I) Published as AECMA Prestandard at the date of publication of this standard 3 EN 3081:2001 (E) 3 Required characteristics 3.1 Configuration - Dimensions - Mass According to figure 1 and table 1 Dimensions not specified ar
23、e at the manufactuers option provided that the qualification and acceptance requirements of EN 3275, type II are met. 3.2 Surface roughness According to figure 1, unless otherwise specified in the design documentation. 3.3 Materials According to EN 3311 or EN 3314. Dimensions in millimetres I 1 a Ar
24、ea for marking According to EN 2656 According to EN 3272 Figure I 4 EN 3081:2001 (E) Table 1 Dimensions in miltimetre 5.81 251 8 I6O6 1610 I 27 I 7,76 I 2808 I -1 I 16.42 J4 1612 I I 8,70 I 2810 I a Corresponds to the pipe nominal outside diameter and wall thickness. Relationship between code and pr
25、essure classification according to EN 2656 andior EN 3272. 4 Designation EXAMPLE I Description block FERRULE, WELDED Identity block TT Number of this standard Code (see table 1) NOTE If necessary, the code 19005 shall be placed between the description block and the identity block. 5 Marking Accordin
26、g to EN 2424, style F plus manufacturing date or batch number and figure 1. According to EN 2424, style G. 6 Technical specification According to EN 3275, type II. 5 BS EN 3081:ZOOl BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent national body resp
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