1、BRITISH STANDARD AEROSPACE SERIES Pipe coupling 8“ 30 in titanium alloy - Tees, bulkhead branch long The European Standard EN 4189:2001 has the status of a British Standard ICs 49.080 BS EN 4189:2001 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITED BY COPYRIGHT LAW BS EN 4189:2001 Amd. No. Natio
2、nal foreword Date Comments This British Standard is the official English language version of EN 4189:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/12/1, Aerospace Fasteners, Fastening Systems, Details and Parts (International), which has the responsibility to
3、: I - - aid enquirers to understand the text; present to the responsible European 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. - A list of organizatio
4、ns represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Cor
5、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 n
6、ot of itself confer immunity from legal obligations. This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published Summary Of pages This document comprises a front cover, an inside front cover, the EN title page, Dazes 2 to 6,
7、an inside back cover and a back cover. -Y under the authority of the Standards policy Committee on Strategy The BSI copyright date displayed in this document indicates when the document was last issued. 14 November 2001 Amendments issued since publication C! BSI 14 November 2001 I I ISBN O 580 37365
8、 7 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4189 October 2001 ICs 49.080 English version Aerospace series - Pipe coupling 830 in titanium alloy - Tees, bulkhead branch long Srie arospatiale - Systeme de raccordement 8“30 en alliage de titane - Raccords en t pour traverse de cloison en pi
9、ed type long Luft- und Raumfahrt - Rohrverschraubung 8“30 aus Titanlegierung - T-Verschraubungen seitlicher Auslass als Schottanschluss lange Ausfhrung This European Standard was approved by CEN on 28 February 2001. CEN members are bound to comply with the CENKENELEC Internal Regulations which stipu
10、late 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 any CEN member. This European Standard exis
11、ts 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. CEN members are the national standards bodie
12、s of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITI? EUROPEEN DE NORMALISATION EUROPISCHES KOMITEE FOR NORMUN
13、G Management Centre: rue de Stassart, 36 8-1050 Brussels O 2001 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4189:2001 E EN 4189:2001 (E) Foreword This European Standard has been prepared by the European Association of Aerospace
14、 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 presentation to CEN. This European Standard sh
15、all be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2002, and conflicting national standards shall be withdrawn at the latest by April 2002. According to the CENKENELEC Internal Regulations, the national standards organ
16、izations 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 the United Kingdom. 2 EN 4189:2001 (E) 1
17、Scope This standard specifies the characteristics of tees, bulkhead branch, long, for pipe couplings 8“30, in titanium alloy, for aerospace applications. Nominal pressure: up to 28 O00 kPa Temperature range: - 55 “C to 135 “C 2 Normative references This European Standard incorporates by dated or und
18、ated 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, subsequent amendments to or revisions of any of these publications apply to this European Standard only when
19、incorporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies (including amendments). IS0 5855-3, Aerospace series - MJ threads - Pari 3: Limit dimensions for fittings for fluid systems. EN 2424, Aerospace series - Marking of aerospace
20、 products. EN 2491, Aerospace series - Molybdenum disulphide dry lubricants - Coating methods. EN 3267, Aerospace series - Washers, bulkhead, in titanium alloy. EN 3274, Aerospace series - Pipe coupling 8“30- Thread ends - Geometric configuration. EN 3275, Aerospace series - Pipe coupling 830up to 2
21、8 O00 kPa - Dynamic beam seal - Metric series - Technical specification. EN 331 1, Aerospace series - Titanium alloy Tl-P64001 - Annealed - Bar for machining - D I 150 mm.) EN 3312, Aerospace series - Titanium alloy TI-P64001 - Grade 2 - Annealed - Forgings - D, I 150 mm.“) EN 3314, Aerospace series
22、 - Titanium alloy TI-P64001 - Solution treated and aged - Bar for machining - D I 75 mm.) EN 331 5, Aerospace senes - Titanium alloy TI-P64001 -Solution treated and aged - Forgings - D, I 75 mm.“ 3 Required characteristics 3.1 Configuration - Dimensions - Mass According to figure 1 and table 1. The
23、values apply before lubricating. Dimensions not specified are at manufacturers option provided that the qualification and acceptance requirements of EN 3275, type II, are met. I) Published as AECMA Prestandard at the date of publication of this standard 3 EN 4189:2001 (E) 3.2 Surface roughness Accor
24、ding to figure 1, unless otherwise specified in the design documentation. 3.3 Materials According to EN 3311 or EN 3314, EN 3312 or EN 3315. 3.4 Surface treatment Lubrication: according to EN 2491, on threads and sealing faces. Prior to application of the lubricant, the surface shall be abrasive bla
25、sted using non-metallic grit. Film thickness 0,005 mm to 0,013 mm. 3.5 Internal surface finishing Finishing shall give a radius R of 0,3 mm to 1,0 mm and a surface roughness of 0,8 pm. Hand deburring is not permitted. Dimensions in millimetres -0.3 a Area for marking According to EN 3274, form C Acc
26、ording to EN 3274, form H Thread * Acrossflatss R 0,3 to 1,0 ae X Figure 1 4 Table 1 08 10 EN 4ia9:2ooi (E) Dimensions in millimetres MJ14 x 1,5 20,a 42,8 i7,a 11 30,51 MJ16 x 1,5 21,8 44,8 i a,a 13 39,30 a Corresponds to the pipe nominal outside diameter. According to IS0 5855-3. Across flats 4 Des
27、ignation EXAMPLE Description block Identity block TEE, BULKHEAD EN41 89-05 Number of this standard r; Code (see table 1) I NOTE If necessary, the code 19005 shall be placed between the description block and the identity block. 5 Marking According to EN 2424, style A and figure 1. 6 Technical specifi
28、cation According to EN 3275, type II. 5 EN 4189:2001 (E) 7 Installation details See figure 2. Dimensions in millimetres Key 1 Bulkhead 2 Washer according to EN 3267 a Grip length Thread Thread + 0,5 Figure 2 6 BS EN 4 189:200 1 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institu
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