1、BRITISH STANDARD AEROSPACE SERIES Pipe coupling 8“ 30 in titanium alloy - Tees branch with thrust wire nut The European Standard EN 4027:2001 has the status of a British Standard. ICs 49.025.30 49.035 BS EN 4027:2001 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT JAW - BS EN 4027
2、:2001 Amd. No. National foreword Date Comments This British Standard is the official English language version of EN 4027:ZOOl. The UK participation in its preparation was entrusted to Technical Committee ACE169, Aerospace Hydraulic Systems, Fluids and Components, which has the responsibility to: - -
3、 aid enquirers to understand the text; present to the responsible internationallEuropean 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 orga
4、nizations 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 Standa
5、rds 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 application. Compliance with a British Standar
6、d does not of itselfconfer 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. This British St
7、andard, having been prepared under the direction of the Engineering Sector Poliry and Strategy Committee. was published under the authority of the Standards Policy and Strategy Committee on 16 October 2001 Q BSI 16 October 2001 ISBN O 580 37165 4 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN
8、4027 September 2001 ICs 49.080 English version Aerospace series - Pipe coupling 8“30 in titanium alloy - Tees branch with thrust wire nut Srie arospatiale - Systme de raccordement 8-30 en alliage de titane - Raccords en t avec crou a jonc en pied Luft- und Raumfahrt - Rohrverschraubung 830 aus Titan
9、legierung - T-Verschraubungen seitlicher Ausla mit Mutter mit Schubdraht This European Standard was approved by CEN on 29 December 2000. CEN members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national
10、 standard without any alteration. Uptedate lists and biblicgraphical references 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
11、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 bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece
12、, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FOR NORMUNG Management Centre: rue de Stassart, 36 6-1050 Brussels O 2001 CEN All rights o
13、f exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4027:2001 E EN 4027:2001 (E) Foreword This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA). After inquiries and votes carried out in accordance with
14、 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 an iden
15、tical 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 Regulations, the national standards organizations of the following countries are bound to implement this European Standa
16、rd: 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 4027:2001 (E) 1 Scope This standard specifies the characteristics of tees, branch, with thrust
17、wire nut, 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 undated reference provisions from other publications. These normative refer
18、ences 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 incorporated in it by amendment or revision. For undated references, the
19、 latest edition of the publication referred to applies (including amendments). IS0 5855-3, Aerospace - MJ threads - Pari 3: Limit dimensions for fittings for fluid systems. EN 2424, Aerospace series - Marking of aerospace products. EN 2491, Aerospace series - Molybdenum disulphide dry lubricants - C
20、oating methods. EN 3264, Aerospace series - Pipe coupling 8“30 in titanium alloy - Thrust wire nuts. EN 3273, Aerospace series - Pipe coupling 8“30 - Dynamic beam seal end for elbows, tees and crosses - Geometric configuration. EN 3274, Aerospace series - Pipe coupling 8“30- Thread ends - Geometric
21、configuration. EN 3275, Aerospace series - Pipe coupling 890 up to 28 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 rnm.) EN 3312, Aerospace series - Titanium alloy TI-P64001- Grad
22、e 2 - Annealed - Forgings - D, 5 150 mm.“ EN 3314, Aerospace series - Titanium alloy TI-P64001 -Solution treated and aged -Bar for machining - D I 75 mm.) EN 331 5, Aerospace series - Titanium alloy TI-P64001 - Solution treated and aged -Forgings -De I 75 mm.) EN 4032, Aerospace series - Pipe coupli
23、ng 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 qualification and acceptance require- ments of
24、EN 3275, type II are met. ) Published as AECMA Prestandard at the date of publication of this standard 3 EN 4027:2001 (E) 3.2 Surface roughness According to figure 1, unless otherwise specified in the design documentation. 3.3 Material According to EN 3311 or EN 3314, EN 3312 or EN 3315. 3.4 Surface
25、 treatment Lubrication: according to EN 2491, on threads, sealing faces and contact area between thrust wire and coupling. Prior to application of 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 Finishi
26、ng shall give a radius R of 0,3 mm to 1 ,O mm and a surface roughness of 0,8 pm. Hand deburring is not permitted. Dimensions in millimetres -0,3 “v= c 4 cl I a? Key I Nut according to EN 3264 2 Thrust wire according to EN 4032 a Area for marking Across flats S, According to EN 3274. form C Thread 2
27、e According to EN 3273 Thread 1 Fully inserted h Across flats .Y, R0.3 to 1,0 X A-A Figure I 4 1 EN 4027:2001 (E) Dimensions in millimetres Table I Mass gipiece max. Thread lb Thread 2b f 0.2 Codea 05 06 08 10 12 14 16 18 20 22 25 28 32 13,41 MJ10 x 1 MJ12 x 1,25 MJ14 x 1,5 MJ14 x 1,5 20,8 MJ10 x 1
28、19,lO 11 13 - 25,46 MJ16 x 13 I MJ16 x 1,5 I 21,8 333 32,lO 36,2 37,l 38,9 41.1 44,l 46,l - - - - - 15 16 18 21 - - - 40,52 48,65 MJ20 x 1,5 MJ22 x 1,5 MJ24 x 1,5 MJ27 x 1,5 MJ20 x 1,5 MJ22 x 1,5 MJ24 x 1,5 MJ27 x 1,5 66,46 10,2 1,2 10,9 1,2 84,21 I I 24 100,37 MJ30 x 1,5 I MJ30 x 1,5 I 30,8 27 124,
29、56 30 34 36 - - 171,36 MJ33 x 1,5 MJ36 x 1,5 MJ39 x 1,5 MJ33 x 1,5 MJ36 x 1,5 MJ39 x 1,5 10,6 202,15 223,64 _ _ a Corresponds to the pipe nominal outside diameter. According to IS0 5855-3. Only applicable when diameter ! according to EN 3273 is smaller than the actual forging diameter. Differences b
30、etween these diameters are acceptable. Across flats 4 Designation EXAMPLE Description block Identity block TEE, THRUST WIRE NUT EN4027 Number of this standard Code (see table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking Accordin
31、g to EN 2424, style A and figure 1. 6 Technical specification According to EN 3275, type II. 5 BS EN 4027:2001 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution 3SI is the independent national body responsible for preparing 3ritish Standards. It presents the UK view on sta
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