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1、BRITISH STANDARD AEROSPACE SERIES BS EN 4018:2001 Pipe coupling 830 in titanium alloy Elbows 90 with thrust wire nut The European Standard EN 4018:2001 has the status of a British Standard ICS 43.040.70; 49.025.15; 49.035; NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Licens
2、ed Copy: sheffieldun sheffieldun, na, Sat Nov 04 07:57:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 4018:2001 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
3、Strategy Committee and comes into effect on 16 October 2001 BSI 16 October 2001 ISBN 0 580 37180 8 National foreword This British Standard is the official English language version of EN 4018:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/69, Aerospace Hydrauli
4、c Systems, Fluids and Components, 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 these international or European publications may be found in the BSI Standards
5、Catalogue under the 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 th
6、eir 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 interpretation, or proposals for change, and keep the UK inter
7、ests 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 2 to 5, and a back cover. The BSI copyright date displayed in this document indicates when the
8、 document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 07:57:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4018 September 2001 ICS 49.080 English version Aerospac
9、e series - Pipe coupling 830 in titanium alloy - Elbows 90 with thrust wire nut Srie arospatiale - Systme de raccordement 830 en alliage de titane - Raccords couds 90 avec crou jonc Luft- und Raumfahrt Rohrverschraubung 830 aus Titanlegierung - Winkelverschraubungen 90 mit Mutter mit Schubdraht This
10、 European Standard was approved by CEN on 29 December 2000. 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 refere
11、nces concerning such 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
12、its own language and 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
13、, 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 2001 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Me
14、mbers. Ref. No. EN 4018:2001 E Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 07:57:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4018:2001 (E) Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carri
15、ed 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 shall be given the status of a national standard, either
16、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 CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to imple
17、ment 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 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 07:57:40 GMT+00:00
18、 2006, Uncontrolled Copy, (c) BSI EN 4018:2001 (E) 1 Scope This standard specifies the characteristics of elbows 90, with thrust wire nut, for pipe couplings 830, in titanium alloy, for aerospace applications. Nominal pressure: up to 28 000 kPa Temperature range: 55 C to 135 C 2 Normative references
19、 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, subsequent amendments to or revisions of any of these pub
20、lications 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). ISO 5855-3, Aerospace MJ threads Part 3: Limit dimensions for fittings for fluid systems. EN 2424
21、, Aerospace series Marking of aerospace products. EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods. EN 3264, Aerospace series Pipe coupling 830 in titanium alloy Thrust wire nuts. EN 3273, Aerospace series Pipe coupling 830 Dynamic beam seal end for elbows, tees and cro
22、sses Geometric configuration. EN 3274, Aerospace series Pipe coupling 830 Thread ends Geometric configuration. EN 3275, Aerospace series Pipe coupling 830 up to 28 000 kPa Dynamic beam seal Metric series Technical specification. EN 3311, Aerospace series Titanium alloy TI-P64001 Annealed Bar for mac
23、hining D 150 mm.1) EN 3312, Aerospace series Titanium alloy TI-P64001 Grade 2 Annealed Forgings De 150 mm.1) EN 3314, Aerospace series Titanium alloy TI-P64001 Solution treated and aged Bar for machining D 75 mm.1) EN 3315, Aerospace series Titanium alloy TI-P64001 Solution treated and aged Forgings
24、 De 75 mm.1) EN 4032, Aerospace series Pipe coupling 830 in titanium alloy Thrust wires. 3 Required characteristics 3.1 Configuration Dimensions Mass According to figure 1 and table 1. The values apply before lubricating. Dimensions not specified are at the manufacturers option provided that the qua
25、lification and acceptance require- ments of EN 3275, type II are met. 1) Published as AECMA Prestandard at the date of publication of this standard 3 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 07:57:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN 4018:2001 (E) 3.2 Surface roughness Acco
26、rding 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, sealing faces and contact area between thrust wire and coupling. Prior to application of
27、the lubricant, the surface shall be abrasive blasted 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 m. Hand deburring is not permitted. Dimensions in millimetres Key 1 Nut
28、 according to EN 3264 2 Thrust wire according to EN 4032 a Area for markingf Thread 2 b R 0,3 to 1,0g Fully inserted c Thread 1h Across flats s1 d According to EN 3274, form Ci Across flats s2 e According to EN 3273 Figure 1 4 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 07:57:40 GMT+00:00
29、 2006, Uncontrolled Copy, (c) BSI EN 4018:2001 (E) Table 1 Dimensions in millimetres CodeaThread 1bThread 2bl1cl2l3cl4drs1s2eMass g/piece 4g6g4H5H 0,2 0,2 0 0 ,2 0 0 ,1 h13h13max. 05MJ10 1 MJ10 1 16,324,8196,61,0148 10,85 06MJ12 1,25MJ12 1,2517,827,7217,51,0169 15,29 08MJ14 1,5 MJ14 1,5 20,832,6249,
30、41,01811 19,56 10MJ16 1,5 MJ16 1,5 21,833,5259,31,02113 24,51 12MJ18 1,5 MJ18 1,5 23,836,22710,51,22215 30,94 14MJ20 1,5 MJ20 1,5 23,837,12810,41,22416 37,17 16MJ22 1,5 MJ22 1,5 25,838,93010,21,22718 50,09 18MJ24 1,5 MJ24 1,5 27,841,13210,91,23021 64,95 20MJ27 1,5 MJ27 1,5 27,844,13510,91,53224 77,5
31、9 22MJ30 1,5 MJ30 1,5 30,846,13710,81,53627 95,93 25MJ33 1,5 MJ33 1,5 32,849,14010,81,54130130,50 28MJ36 1,5 MJ36 1,5 34,852,14310,81,54634159,72 32MJ39 1,5 MJ39 1,5 36,453,94510,61,55036177,37 a Corresponds to the pipe nominal outside diameter. b According to ISO 5855-3. c Drill depth dimension. d
32、Only applicable when diameter d2 according to EN 3273 is smaller than the actual forging diameter. Differences between these diameters are acceptable. e Across flats 4 Designation EXAMPLE NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Markin
33、g According to EN 2424, style A and figure 1. 6 Technical specification According to EN 3275, type II. 5 Licensed Copy: sheffieldun sheffieldun, na, Sat Nov 04 07:57:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN 4018:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Instituti
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