1、ASD STANDARD NORME ASD ASD NORM prEN 4024 Edition P 2 January 2008 PUBLISHED BY THE AEROSPACE AND DEFENCE INDUSTRIES ASSOCIATION OF EUROPE - STANDARDIZATIONAvenue de Tervuren, 270 - B-1150 Brussels - Tel. + 32 2 775 8126 - Fax. + 32 2 763 3565 - www.asd-stan.orgICS: Supersedes edition P 1 of April 1
2、994 and will supersede EN 4024:2001 Descriptors: ENGLISH VERSION Aerospace series Pipe coupling 830 in titanium alloy Elbows 45 welded end with thrust wire nut Srie arospatiale Systme de raccordement 830 en alliage de titane Raccords couds 45 souder avec crou jonc Luft- und Raumfahrt Rohrverschraubu
3、ng 830 aus Titanlegierung Winkelverschraubungen 45 mit Anschweiende, mit Mutter mit Schubdraht This “Aerospace Series“ Prestandard has been drawn up under the responsibility of ASD-STAN (The AeroSpace and Defence Industries Association of Europe - Standardization). It is published for the needs of t
4、he European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this Prestandard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionall
5、y, without re-identification of the standard. After examination and review by users and formal agreement of ASD-STAN, it will be submitted as a draft European Standard (prEN) to CEN (European Committee for Standardization) for formal vote and transformation to full European Standard (EN). The CEN na
6、tional members have then to implement the EN at national level by giving the EN the status of a national standard and by withdrawing any national standards conflicting with the EN. Edition approved for publication 31 January 2008 Comments should be sent within six months after the date of publicatio
7、n to ASD-STAN Mechanical Domain Copyright 2008 by ASD-STAN prEN 4024:20082 Contents Page Foreword2 1 Scope 3 2 Normative references 3 3 Required characteristics.4 3.1 Configuration Dimensions Mass.4 3.2 Surface roughness 4 3.3 Materials .4 3.4 Surface treatment 4 4 Designation 7 5 Marking .7 6 Techn
8、ical specification .7 7 Quality assurance7 Foreword This standard was reviewed by the Domain Technical Coordinator of ASD-STANs Mechanical Domain. After inquiries and votes carried out in accordance with the rules of ASD-STAN defined in ASD-STANs General Process Manual, this standard has received ap
9、proval for Publication. prEN 4024:20083 1 Scope This standard specifies the characteristics of elbows 45, welded end, with thrust wire nut, for pipe couplings 830, in titanium alloy, for aerospace applications. Nominal pressure: up to 28 000 kPa Temperature range: 55 C to 135 C 2 Normative reference
10、s The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 5855-3, Aerospace MJ threads Part 3: Limit
11、dimensions for fittings for fluid systems. EN 2424, Aerospace series Marking of aerospace products. EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods. EN 2656, Aerospace series Pipe coupling Coupling ends, welded Geometric configuration. EN 3264, Aerospace series Pipe co
12、upling 830 in titanium alloy Thrust wire nuts. EN 3273, Aerospace series Pipe coupling 830 Dynamic beam seal end for elbows, tees and crosses Geometric configuration. EN 3275, Aerospace series Pipe coupling 830 up to 28 000 kPa Dynamic beam seal Metric series Technical specification. EN 3311, Aerosp
13、ace series Titanium alloy TI-P64001 Annealed Bar for machining D 150 mm. 1)EN 3312, Aerospace series Titanium alloy TI-P64001 Grade 2 Annealed Forgings De 150 mm.1)EN 3314, Aerospace series Titanium alloy TI-P64001 Solution treated and aged Bar for machining D 75 mm. 1)EN 3315, Aerospace series Tita
14、nium alloy TI-P64001 Solution treated and aged Forgings De 75 mm. 1) EN 4032, Aerospace series Pipe coupling 830 in titanium alloy Thrust wire. EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts. 1) Published as ASD Prestandard at the date of pu
15、blication of this standard.prEN 4024:20084 3 Required characteristics 3.1 Configuration Dimensions Mass According to Figure 1 and Table 1. The values apply before lubricating. Dimensions not specified are at the manufacturers option provided that the qualification and acceptance requirements of EN 3
16、275, type II are met. 3.2 Surface roughness According to Figure 1, unless otherwise specified in the design documentation. 3.3 Materials According to EN 3311 or EN 3314, EN 3312 or EN 3315. 3.4 Surface treatment Welded end without surface treatment min. 10 mm (outside and bore diameters). Lubricatio
17、n: according to EN 2491, on contact area between thrust wire and coupling. Prior to application of the lubricant, the surface shall be abrasive blasted using non-metallic grit. Film thickness 0,005 mm to 0,013 mm. prEN 4024:2008 5 Dimensions in millimetres Key 1 Nut according to EN 3264 2 Thrust wir
18、e according to EN 4032 aArea for marking bAcross flats s2cAccording to EN 3273dAccording to EN 2656 e Across flats s1fFully inserted gBreak all sharp edges 0,1 mm to 0,4 mm Figure 1 prEN 4024:20086 Table 1 Dimensions in millimetres Code a,bThread ce dl1 dl2 l3 dl4 l5 er s1s2 Mass g/piece 4H5H 0,2 0,
19、2 0,3 020,010,h13 h13 max. 0504 0505 MJ10 1 0,9 19 24,8 19 14 6,6 14 8 10,0 10,1 0605 MJ12 1,25 1,0 21 27,7 21 15 7,5 16 9 13,8 0805 0806 MJ14 1,5 1,4 24 32,6 24 16 9,4 18 11 16,7 16,8 1005 1008 MJ16 1,5 1,8 25 33,5 25 16 9,3 1,0 21 13 21,1 21,7 1205 1206 1209 MJ18 1,5 2,2 27 36,2 27 17 10,5 22 15 2
20、8,7 29,0 29,7 1405 1408 1410 MJ20 1,5 2,4 28 37,1 28 19 10,4 24 16 33,8 34,8 35,4 1605 1606 1610 1612 MJ22 1,5 2,8 30 38,9 30 19 10,2 27 18 46,2 46,6 48,2 48,9 1805 1807 1810 1813 MJ24 1,5 3,2 32 41,1 32 19 10,9 1,2 30 21 61,2 62,1 63,4 64,6 2006 2007 2012 2015 MJ27 1,5 4,7 35 44,1 35 20 10,9 32 24
21、72,3 72,8 75,3 76,7 2208 2212 2216 MJ30 1,5 4,3 37 46,1 37 21 10,8 36 27 92,4 94,7 96,0 2508 2509 2514 2518 MJ33 1,5 4,6 40 49,1 40 23 10,8 41 30 124,0 124,7 128,3 131,1 2808 2810 2816 2820 MJ36 1,5 5,3 43 52,1 43 24 10,8 46 34 148,9 150,6 155,7 158,9 3210 3212 MJ39 1,5 5,0 45 53,9 45 25 10,6 1,5 50
22、 36 178,0 180,1 aCorresponds to the pipe nominal outside diameter and wall thickness. bRelationship between code and pressure classification according to EN 2656. cAccording to ISO 5855-3.dDrill depth dimension = l1+ e or l3+ e eOnly applicable when diameter d2to EN 3273 is smaller than the actual f
23、orging diameter. Differences between these diameters are acceptable. prEN 4024:2008 7 4 Designation EXAMPLE Description block ELBOW 45 Identity block EN4024-0806 Number of this standard Code (see Table 1) NOTE If necessary, the code I9005 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. 7 Quality assurance See EN 9133.
