1、CEN PREN83867 94 = 3404589 0062334 488 = Edition approved for publication Comments should be sent within six months after the date of publication to AECMA STANDARD prEN 3867 NORME AECMA Edition PI AECMA NORM May 1994 EDITE PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATERIEL AEROSPATIAL Technopo
2、lis - 175, rue Jean-Jacques Rousseau - F-92138 Issy-les-Moulineaux Cedex - Tl. (1) 47.36.98.76 UDC : C8 Chairman Descriptors : ENGLISH VERSION Aerospace series Pipe couplings, loose flanges and seals Flanges in titanium alloy TLP64001 Srie arospatiale Raccords, brides amovibles et joints Brides en a
3、lliage de titane TI-P64001 Luft- und Raumfahrt Rohrverbindungen mit losen Flanschen und Flachdichtungen Flansche aus Titanlegierung TI-P64001 This “Aerospace Series“ Prestandard has been drawn up under the responsibility of AECMA (Association Europenne des Constructeurs de Matriel Arospatial). It is
4、 published on green paper for the needs of AECMA-Members. It has been technically approved by the experts of the concerned Technical Committee following comment by the Member countries. Subsequent to the publication of this prestandard, the technical content shall not be changed to an extent that in
5、terchangeability is affected, physically or functionally, without re-identification of the standard. After examination and signature of the AECMA Standard Checking Centre (NPSI 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 formal vote. 1994-05-3 1 AECMA Technopolis - 175, rue Jean-Jacques Rousseau 921 38 Issy-les-Moulineaux Cedex - FRANCE M. Williams I I 0 aecma 1994 CEN PREN*38b 94 = 3404589 0062335 314 Page 3 prEN 3867 : 1994 I Scope This standard specifies the charac
7、teristics of flanges for pipe couplings in titanium alloy TI-P64001 for aerospace applications. NOTE : Assembly in accordance with TR 4053 2 Normative references IS0 286-2 IS0 system of limit and fits - Part 2 : Tables of standard tolerance grades and limit deviations for holes and shafts EN 2000 Ae
8、rospace series - Quality assurance - EN aerospace products - Approval of the quality system of manufacturers EN 2424 EN 2530 Aerospace series - Marking of aerospace products 1) Titanium alloy - Annealed - 900 I R, I 11 60 MPa - Bars De I 150 mm - Aerospace series 1) e TR 4053 Aerospace series - Pipe
9、 couplings, loose flanges and seals, in titanium alloy - Assembly recommendations 2) 3 Required Characteristics 3.1 See figure 1 and table 1. Dimensions and tolerances are in millimetres. Configuration - Dimensions - Tolerances - Masses 3.2 Material EN 2530 6 Previous page is blank 1) Published as A
10、ECMA Standard at the date of publication of this standard 2) Published as AECMA Technical Report at the date of publication of this standard O CEN PREN*3867 94 = 3404589 006233b 250 Diameter Tube A 1) diameter H13 code nominal B 1) C D + 0,3 H10 O 320 400 32 35,l 42,4 37,2 50 40 43,l 50,4 45,2 58 Pa
11、ge 4 prEN 3867 : 1994 Ra 6,3 Ra 3,2 J( Ji Remove sharp edges 0,l to 0,4 A-A 3 Equidistant holes 0 5.4 HI3 Ro 3.7 6 Adnirsible forn X CI 3.7 to 0.9 tzir- Figure 1 E f 0,2 F O - 0,5 GIRI I 120 I 12 I 14,l I 21,4 I 16,2 I 29 13,8 I 56,2 I I 140 I 14 I 16,l I 23,4 I 18.2 I 31 2 200 220 40 35,9 20,3 36,6
12、 37,5 I 23,3 I 280 I 28 I 31.1 I 38.4 I 33.2 I 46 3 25,3 I 38,9 I 29,3 I 42 I 1) Tolerance in accordance with IS0 286-2 CEN PREN*3b7 94 3404587 O062337 197 Page 5 prEN 3867 : 1994 4 Designation EXAMPLE : Description block Identity block FLANGE Number of this standard Diameter code (see table 1) NOTE : If necessary, the code 19005 shall be placed between the description block and the identity block. a 5 Identification marking EN 2424, category A, as indicated on figure 1 6 Quality assurance EN 2000
