1、AECMA STANDARD NORME AECMA AECMA NORM Withdrawal approved prEN 3262 Edition P 2 Avril 1994 C 4 Chairman Comments should be sent within six months after the date of publication to EDITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau
2、- F-92138 Issy-les-Moulineaux Cedex - TI. (1) 47.36.98.76 UDC : Supersedes issue P 1 January 1990 Key words : ENGLISH VERSION Aerospace series Pipe coupling 8O30 in titanium alloy Tee bulkhead branch Srie arospatiale Raccordement 8O30 en alliage de titane Raccord en t traverse de cloison en pied Luf
3、t- und Raumfahrt Rohrverschraubung 8O30 aus Titan Tee-Schott-Verschrau bung seitlicher AuslaB This “Aerospace Series “ Prestandard has e responsibility of AECMA (Association Europenne des Constructeurs concerned Technical Com nature of the AECMA Standard Checking Centre (NPS) and formal Services of
4、the Member countries it will be submitted as a draft European Standard to CEN (European Committee for Standardization) for formal vote. Replace page 1 of the previous issue by this page 1994-04-29 AECMA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE Mr. Staib
5、I I 0 aecma 1994 AECMA PREN3262 90 W LOL23Ll - OOOSLO T _I prEN 3262 Page 2 Contents 1 2 3 4 5 -6 Scope and field of application References Required characteristics Designation Marking Technical specification SAE Interest: Future revision of this standard shall be coordtriated wli 5.1: . , , . . , j
6、AECMA PREN32b2 90 m 1012311 0005111 1 m prEN 3262 Page 3 1 Scope and field of application This standard specifies the characteristics of tee union, equal bulkhead branch in titanium alloy intended for use in aircraft fluid system pipe lines. Nominal pressure: 28 O00 KPa Temperature range -55C to t 1
7、35C 2 References IS0 585513 Aerospace - MJ threads- Part 3: Limit dimensions for fittfnac Cor clu;c! systems EN 2424 Aerospace series - Identification marking of standard fasteners 2) EN 249 Aerospace series - Molybdenum disulphide sol id fi lm lubricants for application to removable fasteners in ti
8、tanium, titanium alloy, corrosion resisting steel and cadmium plating steel 1) EN 2808 Aerospace series - Anodizing of titanium and titanium alloys 1) EN 3274 Aerospace series - Pipe coupling 830 - Thread end - Geometric configuration 2) EN 3275 Aerospace series - Pipe coupling 830 - Dynamic beam se
9、al up to 28 O00 KPa - Metric series - Technical specification 2) EN 3315 Aerospace series - Titanium alloy TI-P63 - Solution treated and aged - Rm 2 1070 MPa - Forgings - De 5 50 mm 2) 1 ) In preparation 2) Pub1 ished as AECMA pre-standard prEN 3262 Page 4 3 Required characteristics 3.1 Conf igurati
10、on-Dimensions-Tolerances The configuration shall be in accordance with th figu the dimensions and tolerances shall conform with the values shown in the figure and table after anodizing but prior to application of dry film lubricant. The dimensions quoted are those required by design to meet installa
11、tion and systems requirements. Dimensions and tolerances quoted are at manufacturers option subject to meeting the qualification and acceptance requirements of EN 3275. 3.2 Surface roughness See figure. Unless other values of referenced design standards are specified. Values apply before anodizing.
12、3.3 Material Titanium alloy: EN 3315 3.4 Surface treatment Anodizing: EN 2808 Lubrication: EN 2491 on threads and sealing faces only. 7 Break all sharp edges 0.1 mm .to 0.4 mm Washer Installation: I 1 $.“/i I r / I Grlptength 3.5mm max. Dr Y Thread en per EN 3274 Form D rtcot ion Figure - Configurat
13、ion I cat Ion I- I Thread +0.5 o A I0.2 ,AECMA PR-EN32hZ 90 LOLZ3Ll 0005LL3 5 I prEN 3262 Page 5 B L w3) Mass Ref I0.2 h13 max. g/p i ece Table Dimensions - tolerances and mass DN 1) Dimensions in millimetres 21 Thread 49 69 05 06 08 10 12 14 16 18 20 22 25 32 28 MJ 10x1 MJ 121.25 MJ 141.5 MJ 161.5
14、MJ 181.5 MJ 201.5 MJ 221.5 MJ 241.5 MJ 271.5 MJ-301.5 MJ 331.5 MJ 391.5 MJ 36x.i .5 24 111.94 27 132,96 30 180.00 I 34 220.11 28 + 78 1 36 I 258.84 21 .8 23.8 23.8 25.8 27.8 27.8 32.8 34.8 36.4 30.8 - 40.8 18.8 43.8 20.8 44.8 21.8 46.8 23.8 50.8 27.8 53.8 30.8 64.3 39.8 48.8 25.8 51.8 28.8 58.3 33.8
15、 13 15 16 18 21 37.23 46.58 70.20 79.48 90.38 Number of EN standard I- 1) DN = Dtameter Nomtnal (outstde dta- 2) Accordtng to IS0 5855/3 3) Across flat meter of the correspondtng ptpe) 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
