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1、BRITISH STANDARD AEROSPACE SERIES BS EN 4233:2001 Pipe coupling 8? ? ? ?30 in titanium alloy Unions, welded, threaded The European Standard EN 4233:2001 has the status of a British Standard ICS 49.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Licensed Copy: sheffieldun s
2、heffieldun, na, Sat Nov 04 08:03:21 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 4233:2001 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 on
3、13 November 2001 BSI 13 November 2001 ISBN 0 580 37348 7 National foreword This British Standard is the official English language version of EN 4233:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/69, Aerospace Hydraulic Systems, Fluids and Components, which ha
4、s 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 publications referred to in this document may be found in the BSI Standards Catalogue under the
5、 section entitled “International Standards Correspondence 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 applica
6、tion. 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 interpretation, or proposals for change, and keep the UK interests informed; moni
7、tor 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 2 to 6, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when t
8、he document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:03:21 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4233 October 2001 ICS 49.080 English version Aerospac
9、e series - Pipe coupling 830 in titanium alloy - Unions, welded, threaded Srie arospatiale - Systme de raccordement 830 en alliage de titane - Raccords droits, souds, filets Luft- und Raumfahrt - Rohrverschraubung 830 aus Titanlegierung - Gerade Verschraubungen zum Anschweien This European Standard
10、was approved by CEN on 1 January 2001. 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 bibliographical references concerning such
11、national standards may be obtained on application to the Management Centre 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 a CEN member into its own language and
12、notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland
13、 and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2001 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 42
14、33:2001 E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:03:21 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4233:2001 (E) 2 Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordanc
15、e 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 shall be given the status of a national standard, either by publication of a
16、n 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 CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European
17、Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:03:21 GMT+00:00 2006, Uncontrolled C
18、opy, (c) BSI EN 4233:2001 (E) 3 1Scope This standard specifies the characteristics of unions, welded end, threaded for pipe couplings 8?30, in titanium alloy, for aerospace applications. Nominal pressure: up to 28 000 kPa Temperature range: 55 ?C to 135 ?C 2Normative references This European Standar
19、d 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, subsequent amendments to or revisions of any of these publications apply to thi
20、s 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). ISO 5855-3Aerospace MJ threads Part 3: Limit dimensions for fittings for fluid systems EN 2424Aerospace series Marking
21、of aerospace products EN 2491Aerospace series Molybdenum disulphide dry lubricants Coating methods EN 2656Aerospace series Pipe coupling Coupling ends, welded Geometric configuration EN 3274Aerospace series Pipe coupling 8?30 Thread ends Geometric configurations EN 3275Aerospace series Pipe coupling
22、 8?30 up to 28 000 kPa Dynamic beam seal Metric series Technical specification EN 3311Aerospace series Titanium alloy TI-P64001 Annealed Bar for machining D ? 150 mm1) EN 3314Aerospace series Titanium alloy TI-P64001 Solution treated and aged Bar for machining D ? 75 mm1) 3Required characteristics 3
23、.1Configuration Dimensions Mass According to figure 1 and 2 and table 1. The values apply before lubricating. Dimensions not specified are at the manufacturers option provided that the qualification and acceptance requirements of EN 3275, type II are met. 3.2Surface roughness According to figure 1 a
24、nd figure 2, unless otherwise specified in the design documentation ? 1) Published as AECMA Prestandard at the date of publication of this standard Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:03:21 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4233:2001 (E) 4 3.3Materials According to
25、EN 3311 or EN 3314 3.4Surface treatment Weld end without surface treatment, min. 10 mm (outside and bore diameter). Lubrication: according to EN 2491, on thread and sealing face. Prior to application of the lubricant the surface shall be abrasive blasted using non-metallic grit. Film thickness 0,005
26、 mm to 0,013 mm Dimensions in millimetresDimensions in millimetres aArea for marking bAcross flats s cAccording to EN 2656 dAccording to EN 3274, form B eThread NOTE Pipe internal diameter d1 in accordance with EN 2656 diameter d1 in accordance with EN3274 Figure 1 aArea for marking bAcross flats s
27、cAccording to EN 2656 dAccording to EN 3274, form B eThread NOTE Pipe internal diameter d1 in accordance with EN 2656 diameter d1 in accordance with EN3274 Figure 2 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:03:21 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4233:2001 (E) 5 Table 1 D
28、imensions in millimetres Thread cl1l2l3rsMass g/piece Code a b 4g6g 0,30,20,5 +0,1 0 h13max. 05043,70 0505 MJ10?1242,511 3,82 0605MJ12?1,2525 14 135,32 08058,74 0806 MJ14?1,52816 8,86 100511,11 1008 MJ16?1,517 11,68 120513,24 120613,47 1209 MJ18?1,5 29 13 15 19 14,14 140517,07 140817,96 1410 MJ20?1,
29、530141622 18,49 160519,67 160620,05 161021,58 1612 MJ22?1,5321618 3 24 22,19 180523,47 180724,43 181025,80 1813 MJ24?1,534182027 27,10 200628,76 200729,32 201232,63 2015 MJ27?1,530 35,14 220833,95 221237,80 2216 MJ30?1,5 351921 32 41,49 250839,73 250940,43 251443,86 2518 MJ33?1,52234 48,17 280850,77
30、 281052,41 281657,70 2820 MJ36?1,5 3620 23 62,50 321052,26 3212 MJ39?1,5382225 4 41 54,18 a Corresponds to the pipe nominal outside diameter and wall thickness b Relationship between code and pressure classification according to EN 2656 c According to ISO 5855-3 Licensed Copy: sheffieldun sheffieldu
31、n, na, Sat Nov 04 08:03:21 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4233:2001 (E) 6 4Designation EXAMPLE: Description blockIdentity block UNION, THREADEDEN42330806 Number of this standard Code (see table 1) NOTE: If necessary, the code I9005 shall be placed between the description block and the
32、 identity block. 5Marking According to EN 2424, style A, and figures 1 and 2. 6Technical specification According to EN 3275, type II Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:03:21 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 08:03
33、:21 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 4233:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. I
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