1、 - CEN PREN*4LBLi 94 = 3404589 0075532 259 Edition approved for publication A.E.C.M.A. STANDARD prEN 4184 NORME A.E.C.M.A. Edition P 1 A.E.C.M.A. NORM September 1994 Comments should be sent within six months after the date of Dublication decision C4 Chairman DIT PAR LASSOCIATION EUROPENNE DES CONSTR
2、UCTEURS 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 series Pipe coupling 8O 30 in titanium alloy Elbows 45O, double, welded Srie arospatiale Raccordement 8O 30 en alliage de t
3、itane Raccords couds 45O doubles, souder Luft- und Raumfahrt Rohrverschraubung 8O 30 aus Titanlegierung Winkelstutzen 45O beide Enden zum Anschweien This “Aerospace Series I pre-standard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatia
4、l). 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 countries. Subsequent to the publication of this pre-standard, the technical content shall not be changed to an extent that i
5、nterchangeability is affected, physically or functionally, without re-identification of the standard. After 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
6、 CEN (European Committee for Standardization) for final vote. 1994-09-30 A.E.C.M.A. Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE M. Staib aecma 1994 CEN PRENx4L84 74 3404589 0075533 395 prEN 4184 Page 2 Contents list 1 Scope 2 Normative references 3 Required
7、 characteristics 4 Designation 5 Marking 6 Technical specification H2LL (XI4.FXIIXIX) 15.08.94 CEN PRENx4384 94 3404589 0075534 021 D prEN 4184 Page 3 1 Scope This standard specifies the characteristics of a elbow, 45“ double welded in titanium alloy intended for use in aircraft fluid system pipelin
8、es. 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 configura
9、tion) EN 3275 Aerospace series - Pipe coupling 8 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 mm) EN 3315 Aerospace series - Titanium alloy TI-P63 - Solut
10、ion treated and aged - R, 2 1070 MPa - Forgings - De 5 50 mm) 1 Published as AECMA Standard at the date of the publication of this standard *) Published as AECMA Prestandard at the date of the publication of this standard HZLL (XI4.FXIIXIX) 15.08.94 CEN PREN*4384 94 W 3404589 0075535 Tb8 W prEN 4184
11、 Page 4 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 a
12、nd systems 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 tak
13、e precedence. 3.3 Material See EN 3314 or EN 3315. 3.4 Surface treatment No surface treatment Break ai 1 sharp edges O. I mm to O. 4 mm v Mark i ng Weid end per EN 2656 *)orill depth dimension = C+K (_+0,2) Figure 1 : Configuration H2LL (X/4.FX/X/X) 15.08.94 CEN PRENx4L4 74 3404589 0075536 9T4 m prE
14、N 4184 Page 5 Table 1 : Dimensions, tolerances and mass Dimensions in rnillimetres Fitting C f 0,2 H f 0.3 K R O -0.1 W2) h 13 Mass gipiece rnax. size code) 0504 0505 0605 19 14 8 3,1 3.2 21 15 9 4,3 16 1,4 11 6,9 7.2 0805 0806 1005 1008 1205 1206 1209 24 25 1,8 I ,o 13 9,5 10,5 16 12,9 13,3 14,5 27
15、 17 2,2 1.2 15 1405 1408 1410 14,9 16,4 17,3 19 2.4 16 28 1,2 1605 1606 1610 1612 20,7 21,4 24,0 25,2 30 19 2.8 1.2 18 1805 1807 1810 1813 28,5 30,2 32,6 35,0 32 19 3,2 1,2 21 2006 2007 201 2 201 5 38,5 39,5 44,3 47,0 35 20 3.5 1.5 24 2208 221 2 221 6 53,15 57,3 61,3 37 21 4,3 1,5 27 2508 2509 2514
16、251 8 71,1 72,3 78,5 83.3 23 1,5 40 43 30 34 4,6 5,3 2808 2810 281 6 2820 88,9 91,7 100,1 105,5 24 1.5 45 5,O 1,5 106,7 11 0.0 321 O 321 2 36 25 DN Diameter Nominal (outside diameter of the corresponding pipe) Pipe wall thickness *) Across flats H2LL (XI4.FXIIXIX) 15.08.94 CEN PRENx4LB4 94 = 340g589
17、 0075537 830 Description block ELBOW 45“, WELDED prEN 4184 Page 6 4 Designation EXAMPLE: Identity block EN 4184-0806 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 the requirements of EN 3275, type II. HZLL (X14.FXIIXIX) 15.08.94
