1、STD.AECMA PREN 3080-ENGL 2000 LO12311 OOLBLO1 277 m Edition approved for publication 2000-03-31 AECMA STANDARD NORME AECMA AECMA NORM Comments should be sent within six months C4 Chairman after the date of publication to Gulledelle 94 AECMA Mr Staib 8-1 200 BRUXELLES prEN 3080 Edition P 1 March 2000
2、 PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES (AECMA) Gulledelle 94 - B-1200 BRUXELLES - Tel. (+32) 2 775 8110 - Fax. (+32) 2 775 8111 ICs: Descriptors: ENGLISH VERSION Aerospace series Pipe coupling 830 in titanium alloy Tees, reduced branch with thrust wire nut Srie arospatiale Sy
3、stme de raccordement 830 en alliage de titane Raccords en t, Luft- und Raumfahrt Rohrverschraubung 8“30 aus Titanlegierung T-Ve rsc h rau bun gen, de rduction branche avec crou jonc reLxiert, seitlicher Ausla mit Mtter mit Scubdraht This “Aerospace Series“ Prestandard has been drawn up under the res
4、ponsibility of AECMA (The European Association of Aerospace industries). It is published on green paper for the needs of AECMA- Members. If has been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of th
5、is frestandard, the technical content shall nof be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. Affer examination and signature of the AECMA Standard Checking Centre (NPS) and formal agreement of the Official Service
6、s of the Member countries if will be submitted as a draff European Standard to CEN (European Committee for Standardization) for formal vote. Nota - Extra copies can be supplied by B.N.A.E. - Technopolis 54 - 199, rue Jean-Jacques Rousseau - 921 38 ISSY-LEC-MOULINEAUX CEDEX - STD-AECMA PREN 3080-ENGL
7、 2000 1012311 0018102 105 W Page 3 prEN 3080: 2000 I Scope This standard specifies the characteristics of tees, reduced, branch with thrust wire nut, for pipe couplings 8“30, in titanium alloy, for aerospace applications. Nominal pressure: up to 28 O00 kPa Temperature range: - 55 “C to 135 “C 2 Norm
8、ative 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 revisions of
9、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. IS0 5855-3 EN 2424 EN 2491 EN 3264 EN 3273 EN 3274 EN 3275 EN 3311 EN 3312 EN 3314 EN 3315 EN 4032 Aerosp
10、ace series - MJ threads - Part 3: Limit dimensions for fittings for fluid systems Aerospace series - Marking of aerospace product Aerospace series - Molybdenum disulphide dry lubricants - Coating methods Aerospace series - Pipe coupling 8“30 in titanium alloy - Swivel nuts 1) Aerospace series - Pipe
11、 coupling 8“30 - Dynamic beam seal end for elbows, tees and crosses - Geometric configuration 1) Aerospace series - Pipe coupling 8“30 - Thread end - Geometric configuration 1) Aerospace series - Pipe coupling 8“30 up to 28 O00 kPa - Dynamic beam seal - Metric series - Technical specification 1) Aer
12、ospace series - Titanium alloy TI-P64001 -Annealed - Bar for machining - D I 150 mm 1) Aerospace series - Titanium alloy TI-P64001 - Grade 2 - Annealed - Forgings - De I 150 mm 1) Aerospace series - Titanium alloy TLP64001 - Solution treated and aged - Bar for machining - D I 75 mm 1) Aerospace seri
13、es - Titanium alloy TI-P64001 - Solution treated and aged - Forgings - De I 75 mm 1) Aerospace series - Pipe coupling 8“30 in titanium alloy - Thrust wire 1) 3 Required characteristics The requirements apply to the tees. 3.1 According to figures 1 to 4 and tables 1 to 4. Dimensions apply before lubr
14、icating. Dimensions not specified are at manufacturers option provided that the qualification and acceptance requirements of EN 3275, type II are met. Connection 1 shall be s connection 2. Configuration - Dimensions - Mass 1) Published as AECMA Prestandard at the date of publication of this standard
15、 Previous page is blank - STD-AECMA PREN 3080-ENGL 2000 II LO12311 OOL8LO3 041 Page 4 prEN 3080: 2000 3.2 Surface roughness According to figure I, unless otherwise specified in the design documentation. 3.3 Materials According to EN 331 I or EN 3314, EN 3312 or EN 3315. 3.4 Surface treatment Lubrica
16、tion: according to EN 2491, on threads, sealing faces and contact area between thrust wire and coupling. 3.5 Internal surface finishing Finishing shall give a radius R of 0,3 mm to 1,0 rnm and a surface roughness of 0,8 pm. Hand deburring is not permitted. Key 1 2 Area for marking 3 Connection I 4 C
17、onnection 3 5 Thread I 6 According to EN 3273 a According to EN 3274, form C Horizontal drill depth dimensions = /i + /e (& 0,2) Vertical drill depth dimension = 15 7 Connection 2 8 Thread2 9 According to EN 3264 10 R0,3to1,0 11 Fully inserted 12 According to EN 4032 Figure 1 - STD=AECMA PREN 3080-E
18、NGL i3000 1012311 SA h13 0018104 T88 H Spd te O h13 -o,2 14 16 18 21 22 24 27 30 32 36 41 46 50 8 6,6 9 73 Il 9,4 13 9,3 15 10,5 16 10,4 18 10,2 21 10,9 24 10,9 27 10,8 30 10,8 34 10,8 36 10,6 Page 5 prEN 3080: 2000 Table I Dimensions in millimetres - 14 Ref. 24,8 27,7 32,6 333 36,2 37,l 38,9 41 ,i
19、- - - 15 k 0,2 19 21 24 - - Il k 0,2 16,3 17,8 20,8 - - 12 I 0,4 14,7 16,2 18,2 18,2 19,2 19,7 20,7 21,7 - - - 13 0,4 - 11,o 12,o 14,O Thread 1 4969 Thread 2 4H5H r- 0- Code a 05 06 08 MJlOxl MJI2xl,25 MJI4xl,5 MJlOxl MJ12xl,25 MJ14x1,5 10 12 14 16 18 MJ16xlI5 MJ18x1,5 MJ20xl,5 MJ22x1,5 MJ24x1,5 21,
20、8 23,8 23,8 25,8 27,8 14,O 15,O 14,5 153 16,5 25 27 28 30 32 20 22 25 28 MJ27x1,5 MJ30xl,5 MJ33x1,5 MJ36x1,5 MJ27x1,5 MJ30xl3 MJ33x1,5 MJ36x1,5 27,8 30,8 32,8 34,8 23,O 23,5 25,5 26,7 15,O 16,O 17,O 17,5 44,l 46,l 49,l 52,l 35 37 40 43 MJ39x13 MJ39x1,5 36,4 - 27,2 18,O 53,9 45 - 32 a Corresponds to
21、the pipe nominal outside diameter. For information These dimensions are defined by the largest connection and will be found in the line of this largest size. Across flats Only applicable when the diameter d2 of EN 3273 is less than the actual forging diameter. Differences between these diameters are
22、 acceptable. e 3.6 Mass Example I: EN 3080-221405 Example 2: EN 3080-1 42205 1 -2 Figure 2 -Version 1 Figure 3 - Version 2 Page 6 prEN 3080: 2000 3.6.1 Mass for Version 1 According to figure 2 and table 2. EXAMPLE 3: Connection 1 (is in this example the largest connection) EN 3080-221405 : Code 22 8
23、1J g - 47x7 9 Connection 2 Connection 3 + Code 14 + Code 05 + 29,1 g + 493 9 a) b) the column of code 14 (at the bottom). c) the column of code 05 (at the top). d) Pick the mass for the largest connection out of the left part of table 2. Pick the mass for connection 2 out of the lower half of table
24、2 using the line of code 22 (on the left) and Pick the mass for connection 3 out of the top half of table 2 using the line of code 22 (on the right) and Add all three values to receive the total coupling mass. Table 2 - Mass for Version 1 I 3,l I 05 I 8.8 q-q-% 9,4 10,s 9,9 q-q% 22.9 18 10,5 T 57,2
25、25 12,3 11,9 96,O 10,8 Code 05 Mass for connection 3 in grammes 5% Mass for connection 2 in grammes -i- STD.AECMA PREN 3080-ENGL 2000 LOL23LL OOLBLOb 850 = Page 7 prEN 3080: 2000 3.6.2 Mass for Version 2 According to figure 3 and table 3. EXAMPLE 4: Connection 2 Connection 1 Connection 3 (is in this
26、 example the largest connection) EN 3080-142205 Code 22 + Code 14 + Code 05 119,7g - 106,l g + 815 g + 51 g First pick the mass for the largest connection out of the left part of table 2. Determine in the same line under code 14 the mass for connection 1 and under code 05 the mass for connection 3.
27、Add the three values to receive the total coupling mass. Table 3 - Mass for Version 2 Mass for connection 1 and 3 in grammes Page 8 prEN 3080: 2000 4 Designation EXAMPLE: Code for connection 3 (see table 1) NOTE If necessary, the code 19005 shall be placed between the description block and the identity block. 5 Marking According to EN 2424, style A and figure 1. 6 Technical specification According to EN 3275, type II.
