EN 3244-2001 en Aerospace Series - Pipe Coupling 8 Degrees 30 in Titanium Alloy - Unions Double Ended《航空航天系列 钛合金管连接件830′双端口管接头》.pdf

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1、BRITISH STANDARD AEROSPACE SERIES Pipe coupling 8 30 in titanium alloy Unions, double ended The European Standard EN 3244:2001 has the status of a British Standard ICs 49.080 BS EN 3244:2001 Wk present to the responsible international/European committee any enquiries on the interpretation, or propos

2、als for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. - A list of organizations represented on this committee can be obtained on request to its secretary. Cr oss-r e fer enc e s The British Standards which implement

3、 international or European publications referred to in this document may be found in the BSI Standards 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 t

4、o include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover,

5、 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. O BSI 14 November 200 1 I I ISBN0 580 37115 8 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3244 October 2001 ICs 49.080 English version Aerospace

6、series - Pipe coupling 830 in titanium alloy - Unions, double ended Srie arospatiale - Systme de raccordement 8“30 en alliage de titane - Raccords droits Luft- und Raumfahrt - Rohrverschraubung 8“30 aus Titanlegierung - Gerade Verschraubungen This European Standard was approved by CEN on 6 January 2

7、001 CEN members are bound to comply with the CENKENELEC 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 o

8、n 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 notified to the Management Centre ha

9、s 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 and United Kingdom. EUROPEAN COMMIT

10、TEE FOR STANDARDIZATION EUROPISCHES KOMITEE FR NORMUNG COMIT EUROPEN DE NORMALISATION Management Centre: rue de Stassart, 36 B-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 3244:2001 E EN 3244:2001 (E) Forewo

11、rd This European Standard has been prepared by the European Association of Aerospace Manufacturers (AECMA) . After 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 m

12、ember 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 identical text or by endorsement, at the latest by April 2002, and conflicting national standards shall be withdrawn at the latest by April

13、 2002. According to the CENKENELEC Internal Regulations, 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, Norwa

14、y, Portugal, Spain, Sweden, Switzerland and the United Kingdom. 2 EN 3244:2001 (E) 1 Scope This standard specifies the characteristics of strraight unions, for pipe couplings 830, in titanium alloy, for aerospace applications. Nominal pressure: up to 28 O00 kPa Temperature range: - 55 OC to 135 OC 2

15、 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, subsequent amendments to or revision

16、s 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). IS0 5855-3 EN 2424 EN 2491 EN 3274 EN 3275 EN 3311 EN 3314 Aerospace - MJ th

17、reads - Part 3: Limit dimensions for fittings for fluid systems Aerospace series - Marking of aerospace products Aerospace series - Molybdenum disulphide dry lubricants - Coating methods Aerospace series - Pipe coupling 830 -Thread end - Geometric configuration Aerospace series - Pipe coupling 830 u

18、p to 28 O00 kPa - Dynamic beam seal - Metric series - Technical specification Aerospace series -Titanium alloy TLP64001 -Annealed - Bar for machining - D 150 mm 1) Aerospace series -Titanium alloy TLP64001 - Solution treated and aged - Bar for machining - D 75 mml) 1) Published as AECMA Prestandard

19、at the date of publication of this standard 3 EN 3244:2001 (E) 3 Required characteristics 3.1 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 requirements of EN 3275, type

20、II are met. Configuration - Dimensions - Mass 3.2 Surface roughness According to figure 1, unless otherwise specified in the design documentation 3.3 Materials According to EN 331 1 or EN 3314 3.4 Surface treatment Lubrication: according to EN 2491, on threads and sealing faces. Prior to application

21、 of the lubricant the surface shall be abrasive blasted using non-metallic grit. Film thickness: 0,005 mm to 0,013 mm Dimensions in millimetres -0,3 C a Area for marking b Across flats s c d Thread According to EN 3274, form B Figure 1 4 Table 1 EN 3244:2001 (E) Dimensions in millimetres Thread Code

22、 a 1 S Mass glpiece 14 16 MJlOxl MJ12x1,25 MJ14xl,5 MJ16x1,5 MJ18x1,5 MJ20xl3 MJ22x13 MJ24x1.5 19 22,5 26 27 27 27 27 27 11 13 16 17 19 22 24 27 5,14 8,35 12,42 15,16 17,91 24,lO 27,511 31,87 MJ27x13 MJ30xl3 MJ33x13 MJ36x13 27 MJ39x13 28 38,08 42,70 52,4 1 63,85 70,Ol a Corresponds to the pipe nomin

23、al outside diameter According to IS0 5855-3 b 4 Designation EXAM P LE: Description block Identity block UNION, STRAIGHT EN3244-05 Number of this standard T Code (see table 1) NOTE: If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking According

24、to EN 2424, style A and figure 1 6 Technical specification According to EN 3275, type II 5 BS EN 3244:2001 BSI 389 Chiswick High Road Lon don w4 4AL BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the internation

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