1、O e O O A. E. C. M a A. STAN DAR D prEN 3272 NORME A.E.C.M.A. Issue P 1 A.E.C.M.A. NORM December 1989 EDITE PAR LASSOCIATION EUFIOPEENNE DES CONSTRUCTEURS DE MATERIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TEL. 45-63-82-85 UDC : Key words : ENGLISH VERSION Aerospace series Pipe coupling
2、8O30 Dynamic beam seal end for nipple, welded Geometric configuration Srie arospatiale Raccordement 8030 Joint lvre pour olive soude Configuration gomtrique Luft- und Raumfahrt Rohrverschraubung 8O30 Dichtlippe fr Stutzen zum Anschweien Konstruktionsblatt This Aerospace Series pre-standard has been
3、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 countries. Subsequent
4、 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) and formal agreeme
5、nt 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. Nota - Extra copies can be supplied by B.N.A.E. - 8, rue Moreau-Vauthier - 921 O0 BOULOGNE-BILLANCOURT Edition approved for publicatio
6、n Comments should be sent within six months C4 Chairman after the date of oublication decision Mr. Staib 1 A.E.C.M.A. I 88, Bd. Malesherbes 5th December 1989 75008 PARIS - FRANCE aecma 1989 AECMA-PREN3272 87 W l101231L 0005258 5 W prEN 3272 Page 2 Contents 3 Scope and field of application References
7、 Required. characteristics 4 Designation SAE Interest; Future rewsron of thrs standard shall be ormiiriafw *II I. O e e AECMA PREN3272 87-W LOL23b$-_005L57 7 U prEN 3272 Page 3 1 Scope and field of application This standard specifies the dimensional characteristics of the dynamic beam seal end to be
8、 used for the design and manufacture of product standards for pipe fittings wherever this geometry is specified. Nominal pressure: 28 O00 KPa 2 References EN 2656 EN 3275 Aerospace series - Pipe couplings 830 - In corrosion resisting steel or titanium alloy - Rated press. up to 56 O00 KPa - Weld end
9、 - Geometric configuration 1) Aerospace series - Pipe coupling 830 - Dynamic beam seal up to 28 O00 KPa - Metric series - Technical specification 1) . 1 ) Pub1 ished as AECMA pre-standard AECMA PREN3272 A4 W 10123LL 000CLb0 3 prEN 3272 Page 4 ., 3 Required characteristics 3.1 Conf iguration-Dimensio
10、ns-Tolerances The configuration shall be in accordance with the figure; the dimensions and tolerances shall conform with the values shown in the figure and table. Dimensions and tolerances not quoted are at manufacturers option subject to meeting the qualification and acceptance requirements of EN 3
11、275 Type II. 3.2 Surface roughness See figure. Unless other values of referenced design standards are spec if ied. “v Break all sharp edges 0.4 mm to 0.4 mm (see clause 3.1) Di ame t er per EN 2656 Figure - Configuration -t t t tng size 1) code LIR t0.1 I0.2 3.4 1.3 3.5 1.3 3.6 1.3 3.7 1.3 3.8 1.3 3
12、.9 1.5 4 1.5 4.2 1.5 4.3 2.2 4.3 2.2 4.3 2.2 4.3 2.2 4.3 2.2 4.5 2.2 YAECHA PREN3272 87 W LOL23Ll 00051bL 5 W prEN 3272. Page 5 S I0.1 0.25 0.25 0.25 0.25 0.25 0.5 0.5 0.5 0.75 0.75 0.75 0.75 0.75 0.75 Table Dimensions - tolerances Dimensions in millimetres Nomtnal pressure kPa 0404 0405 0504 0505 0
13、605 0805 0806 1005 1008 1205 1206 1209 1405 1408 3410 1605 1606 1610 1612 1805 1807 1810 1813 2006 2007 201 2 201 5 2208 221 2 221 6 2508 2509 251 4 251 8 2808 281 O 281 6 2820 321 O 321 2 1) 0A (BI %E ref. thtckness Ref pipe outs. dtameter ptpe wall 28000 14000 21 O00 28000 0.9 0.5 14 0.8 11.9 2800
14、9 28000 10500 14000 21 O00 28000 10500 3.7 0.4 0.5 28000 4.7 0.4 0.5 28000 28000 28000 6 0.5 5.5 7.2 . 0.5 0.6 8 21 O00 28000 9.2 0.5 0.8 10 21 O00 28000 14000 0.5 21 O00 12 0.6 11 .I 4 5 1 .o 0.5 0.6 1 .o 1.2 0.5 13.8 16 21000 I I 111.1 28000 10500 1.3 0.5 28000 14000 21 14000 O00 I 18 I f: 115.8 I
15、 .5 0.8 28000 10500 21 14000 O00 1 20 I 118.5 1 .8 0.8 28000 10500 14000 21 O00 28000 10500 0.8 14000 0.9 21 O00 1.4 22.9 2.0 1 .o 1.2 28.8 32 14000 I 28 I 1 .6 126.1 21 O00 %F Ref 5.54 6.81 8.16 9.86 11 -86 13.82 15.28 17.23 19.23 22.10 25,OI 27.38 30.47 33.47 0G O -0.1 6.6 8.6 10.3 12 14 16 18 20
16、22 25 28 31 34 37 Conslsts of: DN = Dtameter NomInal (outstde dram. of the correspondlng ptpe) Ptpe wall thtckness AECHA-PREN3272 1012311 0005Lb2 7 m prEN 3272 Page 6 4 Designation Each dynamic beam seal end shall only be designated as in the following example: Identity block I EN3272-0806 Description block DYNAMIC BEAM SEAL END Number of EN standard Fitting size code (see table): II O8 = DN 06 = Pipe wall thickness
