1、CEN PRENr4183 94 W 3404589 0075381 974 W Edition approved for publication Comments should be sent within six months after the date of publication decision A.E.C.M.A. Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE 1994-09-30 A. E.C .M .A. STANDARD NORME A.E.C.M
2、.A. A.E.C.M.A. NORM C4 Chairman M. Staib prEN 41 83 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) 47.36.98.76 UDC : Descriptors : ENGLISH VERSION Aerospace s
3、eries Pipe coupling 8O 30 in titanium alloy Elbows 90, double, welded Srie arospatiale Raccordement 8O 30 en alliage de titane Raccords couds a 90 doubles, souder Luft- und Raumfahrt Rohrverschraubung 8O 30 aus Titaniegierung Winkelstutzen 90 O beide Enden zum Anschweien This “Aerospace Series“ pre-
4、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 needs of AECMA-Members. It has been technically approved by the experts of the concerned Commission following comment by the Member cou
5、ntries. Subsequent to the publication of this pre-standard, the technical content shall not be changed to an extent that interchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPS)
6、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 final vote. - - CEN PRENa4183 94 3404589 0075382 1300 = prEN 4183 Page 2 Contents list 1 Scope 2 Normative references 3 Required
7、 characteristics 4 Designation 5 Marking 6 Technical specification HZLL (X/4.F/X/X/X) 15.08.94 CEN PREN84183 94 3404589 0075383 747 prEN 4183 Page 3 1 Scope This standard specifies the characteristics of a elbow, 90” double welded in titanium alloy intended for use in aircraft fluid system pipelines
8、. Nominal pressure: up to 28 O00 kPa NOTE: Check pressure class before use. Temperature range: - 55 C to 135 “C 2 Normative references EN 2424 Aerospace series - Marking of aerospace products) EN 2656 Aerospace series - Pipe couplings up to 56 O00 kPa - Fitting end, welded - Geometrical configuratio
9、n2) EN 3275 Aerospace series - Pipe coupling 8 a 30 - Dynamic beam seal up to 28 O00 kPa - Metric series - Technical specification) EN 3314 Aerospace series - Titanium alloy TLP64001 - Solution treated and aged - Bar for machining - D 5 75 mm2) EN 3315 Aerospace series - Titanium alloy TI-P63 - Solu
10、tion treated and aged - R, 2 1070 MPa - Forgings - De 5 50 mm) ) Published as AECMA Standard at the date of publication of this standard ) Published as AECMA Prestandard at the date of publication of this standard - H2LL (XI4.FIXIXIX) 15.08.94 CEN PREN*4L83 94 = 3404589 0075384 683 prEN 4183 Page 4
11、3 Required characteristics 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. The dimensions quoted are those required by design to meet installation and syste
12、ms requirements. Dimensions and tolerances not quoted are at manufacturers option subject to meeting the qualification and acceptance requirements of EN 3275. 3.2 Surface roughness Use values quoted on figure 1 except for those values quoted in the referenced standards; these values will take preced
13、ence. 3.3 Material See EN 3314 or EN 3315. 3.4 Surface treatment No surface treatment Break al I sharp edges 0.1 mm to 0.4 mm Detai L X Mark i ng *)Also drill depth dimension Corner to be removed by a process giving a radius of 0.3 mm to 1.0 mm and a surface finish of 0.8 vm. (Hand deburring is not
14、permitted) Figure 1 : Configuration HZLL (XI4.FIXIXIXI) 15.08.94 CEN PRENS4L83 94 0 3404589 0075385 5LT H k 0,3 14 15 16 16 17 19 19 19 20 21 23 24 25 Dimensions in millimetres R w *) Mass O gipiece -0,l h 13 max. 3,07 1 ,o 8 3,24 1 ,o 9 4,27 6,91 1 ,o 11 7,17 9,47 1,2 13 10,45 12,91 1,2 15 13,31 14
15、,47 14,86 1,2 16 16,42 17,33 20,71 21,39 23,97 25,19 28,45 30,19 32,63 34,97 38,51 39,53 44,26 46,99 53,05 1,s 27 57,25 61,27 71 ,O6 72,32 78,53 83,34 88,88 91,70 100,lO 105,46 106,70 1 10,02 18 1,2 1,2 21 24 1,5 1,5 30 1,5 34 36 1,5 Fitting size code ) C rt 0,2 0504 0505 19 0605 21 0805 0806 24 100
16、5 1008 25 1205 1206 1209 27 1405 1408 1410 28 1605 1606 1610 1612 30 1805 1807 1810 1813 32 2006 2007 201 2 201 5 35 2208 221 2 221 6 37 2508 2509 2514 251 8 40 2808 281 O 281 6 2820 43 3210 321 2 45 i Consists of: DN Diameter Nominal (outside diameter of the corresponding pipe) Pipe wall thickness
17、1 Across flats HZLL (XI4.FIXIXIX) 15.08.94 CEN PREN*4183 94 3404589 0075386 45b Description block ELBOW go, WELDED prEN 4183 Page 6 4 Designation EXAMPLE: Identity block EN 4183-0806 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 requirements of EN 3275, type II. H2LL (X14.FIXIXIXI) 15.08.94
