1、 CEN PREN*4LSL 94 H 3404589 0075956 104 = A.E.C .M .A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM prEN 4191 Edition P 1 September 1994 DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL Technopolis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.3
2、6.98.76 UDC : Descriptors : ENGLISH VERSION Aerospace series Pipe coupling 8O 30 in titanium alloy Tees, reduced,bulkhead branch, long Srie arospatiale Luft- und Raumfahrt Raccordement 8O 30 en alliage de titane Raccords en T, de rduction pour traverse de cloison en pied, type long Rohrverschraubung
3、 8O 30 aus Titanlegierung T-Verschraubungen, reduziert, seitlicher Ausla als Schottanschlu, lange Ausfhrung 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
4、 needs of AECMA-Members. It has been technically approved by 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
5、or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre INPSI 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 Standardizati
6、on) for final vote. Nota - Extra copies can be supplied by 6 NA E - Teainopolis 54 - 199, nie Jean-Jacques Rousseau - 92138 ISSY-LESMOULINEAUX CEDEX C4 Chairman I Comments should be sent within six months after the date of publication decision I Edition approved for publication 1994-09-30 A.E.C.M.A.
7、 Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE M. Staib I I 0 aecma 1994 CEN PREN*4LSL 94 M 3404589 0075957 040 prEN 41 91 Page 2 Contents list 1 Scope 2 Normative references 3 Required characteristics 4 Designation 5 Marking 6 Technical specification H2LL (X
8、I4.FIXIXIX) 15.08.94 CEN PREN*4191 94 = 3404589 O075958 T87 = prEN 4191 Page 3 1 Scope This standard specifies the characteristics of tee union, reduced bulkhead branch long in titanium alloy intended for use in aircraft fluid system pipelines. Nominal pressure: up to 28 O00 kPa Temperature range: -
9、55 “C to 135 “C 2 Normative references IS0 5855-3 EN 2424 EN 2491 EN 3274 EN 3275 EN 3314 EN 3315 MIL-L-4601 OB Aerospace - MJ threads - Part 3: Limit dimensions for fittings for fluid systems Aerospace series - Marking of aerospace products) Aerospace series - Molybdenum disulphide dry film lubrica
10、nts - Coating methods2) Aerospace series - Pipe coupling 8“30 - Thread end - Geometric configuration3) Aerospace series - Pipe coupling 8“30 - Dynamic beam seal up to 28 O00 kPa - Metric series - Technical specification3) Aerospace series - Titanium alloy TI-P64001 - Solution treated and aged - Bar
11、for machining - D 75 mm3) Aerospace series - Titanium alloy TI-P63 - Solution treated and aged - R, 2 1070 MPa - Forgings - De 4 50 mm3) Lubricant, solid film, heat cured, corrosion inhibiting4) 1 Published as AECMA Standard at the date of publication of this standard *) In preparation at the date o
12、f publication of this standard 3, Published as AECMA Prestandard at the date of publication of this standard 4, Published by: Department of Defense (DOD), the Pentagon, Washington, D.C. 20301 H2LL (X14.FIXIXIX) 15.08.94 CEN PREN*4191 94 3404589 0075959 913 prEN 4191 Page 4 3 Required characteristics
13、 3.1 Configuration - Dimensions - Tolerances The configuration shall be in accordance with figure 1 ; the dimensions and tolerances shall conform with the values shown in figure 1 and table 1 prior to application of dry film lubricant. The dimensions quoted are those required by design to meet insta
14、llation 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 1, unless other values of referenced design standards are specified 3.3 Material See EN 331 4 o
15、r EN 331 5. 3.4 Surface treatment Lubrication: see EN 2491, on threads and sealing faces. NOTE: Until EN 2491 is published, the lubricant may be applied using MIL-L-4601 OB. Abrasive blasting shall be carried out using aluminium oxide within the grade 90-220 mesh at a pressure of 480 kPa max. for a
16、time to give a clean even surface and then rinsed in clean cold water. Lubrication shall be applied within 3 h. Break all sharp edges 0,l rnrn to 0,4 rnrn Mark i ng I Installation: Griplength “1 * esner II Detai I X luDr i -* - I * ca c i Uri I- i I ti sau si IUJ vm EN 3274 form C Connecting face 2
17、Dry lubrication Horizontal drill depth dimension = A+K (I 0,2) ) Vertical drill depth dimension = J + L ( t 0.2) J (see EN 3274 form HI Y i nor- &orner to tm removed . . by 8 process giving a radius of 0.3 mm to 1.0 mm and a surface finisn of 0.8 um. (Hana ae-txrr inq IS not Demitted) Figure 1 : Con
18、figuration HPLL (X/4.F/X/X/X) 15.08.94 CEN PRENr4191 94 3404589 0075960 635 M prEN 4191 Page 5 05 06 08 10 12 14 16 18 20 22 25 28 32 Table 1 : Dimensions and tolerances Dimensions in millimetres MJ lox 1 MJ 12 x 1,25 MJ 14x 1,5 MJ 16 x 1,5 MJ 18 x 1,5 MJ 20 x 1,5 MJ 22 x 1,5 MJ 24 x 1,5 MJ 27 x 1,5
19、 MJ 30 x 1,5 MJ 33 x 1,5 MJ 36 x 1,5 MJ 39 x 1,5 Thread 1 49 69 1,2 1,4 1,3 1,7 2,l 22 2,6 3,O 3,5 4,1 4,4 5,1 5,6 13,8 1 ,o 16,O 1 ,o 17,8 1 ,o 18,8 12 20,8 12 21,8 12 23,8 1,2 25,8 1,2 27,8 1,5 28,8 1.5 30,8 1,5 33,8 1,5 39,8 1,5 A 3, I 0,2 16,3 17,8 20,8 21,8 23,8 23,8 25,8 27,8 27,8 30,8 32,8 34
20、,8 36,4 c 3, f 0,4 1 l,o 12,o 14,O 14,O 15,O 14,5 15,5 16,5 15,O 16,O 17,O 17,5 18,O I f 0,2 I w 4, hl 3 8 9 11 13 15 16 18 21 24 27 30 34 36 ) DN Diameter Nominal (outside diameter of the corresponding pipe) 1 According to IS0 5855-3 ) Dimensions A, C, K and L are dictated by the largest connection
21、 and will be found in the line of this largest size ) Across flats 3.5 Mass See figure 2 and table 2. Connecting face 3 Connec face 1 ti Connecting face 2 Example: EN 4191 - 142205 Figure 2 HZLL (X/4.F/X/X/X)I 15.08.94 CEN PRENx4LL 94 m 3404589 00759b1 571 m prEN 4191 Page 6 EX AMPLE : i33 !a+=+ U U
22、 EN 4191 - 162205 DN22 + DN 14 + DN05 128,l g - 114,4g + 8,8 g + 4,9 9 First pick the main mass (DN 22) out of table 2. Remain in this line and go to the right of table 2. Choose the column of connecting faces 1 and 3 (DN 16, DN 051, and add this masses to the main mass. 4 Designation EXAMPLE: Descr
23、iption block Identity block TEE, REDUCED EN4191-14 22 05 Number of this standard DN Connecting face 1 (see table 1) DN Connecting face 2 (bulkhead) (see table 1) DN Connecting face 3 (see table 1) 1 NOTE: Connecting face 2 shall be larger than the other (connecting faces 1 and 3). If necessary, the
24、code 19005 shall be placed between the description block and the identity block. HZLL (XI4.FIXIXIX) 15.08.94 CEN PRENU4LL 94 111 3404589 0975962 404 111 prEN 4191 Page 7 5 Marking Each part shall be marked in the position shown in figure 1 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. H2LL (X/4.F/X/X/X) 15.08.94
