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    AECMA PREN 3691-1994 Aerospace Series Pipe Coupling 8 Degree 30' in Titanium Alloy Unions Bulkhead Long Welded Edition P 1《航空航天系列.钛合金管连接8°30′长防水壁》.pdf

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    AECMA PREN 3691-1994 Aerospace Series Pipe Coupling 8 Degree 30' in Titanium Alloy Unions Bulkhead Long Welded Edition P 1《航空航天系列.钛合金管连接8°30′长防水壁》.pdf

    1、CEN PREN*369L 94 3404589 0064443 383 AECMA STANDARD NORME AECMA AECMA NORM prEN 3691 Edition P 1 June 1994 DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATERIEL AROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 UDC : Descriptors

    2、: ENGLISH VERSION Aerospace series Pipe coupling 8O30 in titanium alloy Unions, bulkhead, long, welded Srie aerospatiale Luft- und Raumfahrt Raccordement 8O30 en alliage de titane Raccords droits souder, traverse de cloison, type long Rohrverschraubung 8O30 aus Titanlegierung Gerade Schott-Verschrau

    3、bungen lange Ausfhrung zum Anschweien This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is published on green paper for the needs of AECMA-Members. It has been technically approved by the expert

    4、s of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. Aft

    5、er 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) for formal vote. Nota - Extra coDies can be SUDDlied by B.N

    6、.A.E. - TechnoDolis 54 - 199, rue Jean-Jacques Rousseau - 921 38 ISSY-LES-MOULINEAUX CEDEX I Comments should be sent within six months after the date of Dubiication to I Edition approved for publication 1994-06-30 AECMA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex -

    7、FRANCE C4 Chairman Mr. Staib I I aecma 1994 . Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN PREN*369b 94 M 3404589 OOh4442 21T Page 2 prEN 3691 C

    8、ontents list 1 Scope 2 Normative references 3 Required characteristics A Designation 5 Marking 6 Technical specification Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without lic

    9、ense from IHS-,-,-CEN PRENx3bSL 94 W 3404589 00b4443 156 W Page 3 prEN 3691 1 Scope This standard specifies the characteristics of bulkhead unions in titanium alloy with a thread end for a maximum bulkhead wall thickness of 6 mm intended for use in aircraft fluid system pipelines. Nominal pressure:

    10、up to 28 O00 kPa NOTE: Check pressure class befor use. Temperature range: - 55 “C to 135 OC 2 Normative references IS0 5855-3 EN 2424 Aerospace series - Marking of aerospace products 1) EN 2491 EN 2656 Aerospace - MJ threads - Part 3: Limit dimensions for fittings for fluid systems Aerospace series

    11、- Aerospace series - Pipe couplings up to 56 O00 kPa - Fitting end, welded - Geometrical configu- ration 3, Molybdenum disulphide dry film lubricants - Coating methods 2) EN 3274 Aerospace series - Pipe coupling 830 - Thread end - Geometrical configuration EN 3275 Aerospace series - Pipe coupling 83

    12、0 - Dynamic beam seal up to 28 O00 kPa - Metric series - Technical specification 3, Aeros ace series - Titanium alloy TI-P64001-Solution treated and aged - Bar for machining - EN 3314 79 mm 3) MIL-L-6010B Lubricant, solid film, heat cured, corrosion inhibiting .) ) Published as AECMA Standard at the

    13、 date of publication of this standard z, In preparation at the date of publication of this standard 3) Published as AECMA Prestandard at the date of publikcation of this standard .) Published by: Department of Defense (000). the Pentagon, Washington, D.C. 20301. Copyright Association Europeene des C

    14、onstructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN PREN*3671 74 3404587 O064444 O92 Page A prEN 3691 3 Required characteristics 3.1 The configuration shall be in accordance with figure 1;

    15、 the dimensions and tolerances shall conform with the values shown in figure 1 and table 1 prior to application of dry film lubricant. Configuration - Dimensions - Tolerances 3.2 Surface roughness See figure 1, unless other values of referenced design standards are specified. 3.3 Material See EN 331

    16、4. 3.4 Surface treatment Weld end without surface treatment (outside and bore diameters). Lubrication: see EN 2491, on threads and sealing faces. NOTE: Until EN 2491 is published, the lubricant may be applied using MIL-L-46010 B. Abrasive blasting shall be carried out using aluminium oxide within th

    17、e grade 90-220 mesh at the pressure of 480 kPa max. for a time to give a clean even surface and then rinsed in clean cold water. Lubricant shall be applied within 3 h. $ Breok oll sharp edges 0,l mn to 0,6 mm Installationr Griplength Acrorr I Throod end Wosher on hmxogon ver EN 3276 Form J / Wold on

    18、d per EN 2656 Figure 1: Configuration Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-CEN PRENb3691 94 3404589 O064445 T29 E 1 Page 5 prEN 3691 Table 1

    19、: Dimensions, tolerances and mass Dimensions in millimetres Fitting size code 1) Thread 2) 4g 69 F Ref R + 0.2 0 C h13 Mass g/piece max. 0504 0505 14 11,86 MJ 10 x 1 A2 5 0605 MJ 12 x 1,25 A4 5 17,77 l7 I 1 0805 0806 MJ 14 x 1,5 46 5 1005 1008 A7 22 27,72 38,36 MJ 16 x 1.5 5 1205 1206 1209 34,66 349

    20、4 35.74 A9 5 24 MJ 18 c 1,5 MJ 20 x 1,5 MJ 22 x 1.5 A3,81 AA, 87 45, A9 1405 1 AO8 1410 1605 1606 1610 1612 50 5 27 55.44 57,58 58,38 55.88 52 5 30 1805 1807 1810 1813 57,9A 59,05 60,62 62,13 MJ 24 x 1,5 54 6 32 2006 2007 201 2 201 5 I 66.46 67,11 70,12 3A I 71.85 MJ 27 x 1,5 55 2208 2212 2216 MJ 30

    21、 x 1.5 75,46 78.17 80,73 55 2508 2509 251 4 2518 2808 281 o 2816 2820 56 7 MJ 33 x 1,5 MJ 36 x 1,5 MJ 39 x 1,5 57.5 8 3210 3212 59,5 a q) Consists of: ON Diameter Nominal (outside diameter of the corresponding pipe) Pipe wall thickness 2) According to IS0 5855-3 Copyright Association Europeene des C

    22、onstructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Page 6 prEN 3691 Description block UNION, BULKHEAD, LONG CEN PREN*3bL 94 3404589 0064446 965 (C/HZLL/J.F/C/A) Identity block EN3691 -0805 5

    23、Marking Each part shall be marked in the position shown in figure 1 in accordance with EN 2424, style G. 6 Technical specification Parts supplied to this standard shall conform with the requirements of EN 3275, type II. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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