1、,- _ _ AECMA PREN3243 87 1012311 0005017 2 . Edition approved for publication A. E .C. M .A. STAN DARD NORME A.E.C.M.A., A.E.C.M.A. NORM Comments should be sent within six months C4 Chairman after the date of Dubiication decision prEN 3243 Issue P 1 December 1989 _ _ DIT PAR LASSOCIATION EUROPENNE D
2、ES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TL. 45-63-82-85 UDC : Key words : ENGLISH VERSION Aerospace series Pipe coupling 8030 in titanium alloy Ferrule, welded, with dynamic beam seal end Srie arospatiale Luft- und Raumfahrt Raccordement 8O30 en alliage de tita
3、ne Rohrverschraubung 8030 aus Titan Olive soude Stutzen mit Dichtlippe avec lvre dtanchit zum Anschweipen This .Aerospace Series) pre-standard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the n
4、eeds of AECMA-Members. It has been technically approvedby the experts of the concerned Commission following comment by the Member countries. Subsequent to the publication of this pre-standard, the technical content shall not be changed to an extent that interchangeability is affected, physically or
5、functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Services of the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization)
6、 for final vote. Mr. Staib I A.E.C.M.A. I 88, Bd. Malesherbes 5th December 1989 75008 PARIS - FRANCE 0 aecma 1989 - - _- AECMA PREN32q3 87 m /OL23LL 0005020 7 M _ prEN 3243 Page 2 Contents 1 Scope and field of application 2 References 3 Required characteri st cs 4 5 6 Des i gnat ion Mark i ng Techni
7、cal specification SAE Interest: II., LT itivis(o or this standard shall De coordinafed with CAE G 3. G48 IAECMA _ PREN3243 _ 89 L0123LL 0005021 O - _- M prEN 3243 Page 3 1 Scope and field of application This standard specifies the characteristics of ferrule, welded with dynamic beam seal end in tita
8、nium alloy intended for use in aircraft fluid system pipe lines. Nominal pressure: 28 O00 KPa Temperature range -55C to +135C 2 References EN 2424 Aerospace series - Identification marking of standard fasteners 1) EN 2656 Aerospace series - Pipe couplings 830 - In corrosion resisting stee or titaniu
9、m alloy - Rated press. up to 56 O00 KPa - Weld end - Geometric configuration 1) EN 3272 Aerospace series - Pipe coupling 830 - Dynamic beam seal end for nipple - Welded - Geometric configuration 1) EN 3275 Aerospace series - Pipe coupling 830 - Dynamic beam seal up to 28 O00 KPa - Metric series - Te
10、chnical specification 13 EN 3314 Aerospace series - Titanium alloy TI-P63 - Solution treated and aged - Rm 2 1070 MPa - Bar for machining - De 50 mm 1) 1 ) Pub1 ished as AECMA pre-standard prEN 3243 Page 4 3 Required characteristics 3.1 Configuration-Dimensions-Tolerances The configuration shall be
11、in accordance with the figure; the dimensions and tolerances shall conform with the values shown in the figure and table. 3.2 Surface roughness See figure. Unless other values of referenced design standards are specified. 3.3 Material Titanium alloy: EN 3314 7 Break all sharp edges 0.1 mrn to 0.4 mm
12、 Mark I ng . beam seal Figure - Configuration 4 ,AECMA PREN3243 87 1012311 - 0005023 4 prEN 3243 Page 5 Table Dimensions - tolerances and mass Dimensions in millimetres 0504 1.08 1805 0505 1.17 1807 0605 17 1.57 1810 0805 1.98 - 1813 0806 2-12 2006 i 008 2.98 2012 1205 3.05 2015 1206 18 3.29 2208 18
13、 17 17 1005 2.44 2007 - 1410 2509 1605 F Mass Fitting O g/ptece size -0.2 max code 5.35 2816 6.26 2820 7.55 3210 8.78 3212 8.52 9.08 11.70 i 3.21 10.56 26 13.11 15.56 13.36 14.19 18.27 21,42 14.85 16.71 22 24 29 29 I) Conststs of: DN = Dlameter Nomtnal Plpe wall thtckness (outstde dtam. of the corre
14、sp. ptpe) Designation Each ferrule shall only be designated as in the following example: Description block Identity block FERRULE, WELDED EN3243-0806 Fitting size codes (see table): Number of EN standard 06 = Pipe wall thickness 08 = DN Note: If necessary the originator code I9005 may be introduced between the description block and identity block 5 Marking Each part shall be marked in the position shown in the figure in accordance with EN 2424, style A 6 Technical specification Parts supplied to this standard shall conform with the requirements of EN 3275 type II
