ASD-STAN PREN 6126-2005 Aerospace series Fitting end 24 degrees internal cone external thread flareless type size - 32 Tube diameter D = 2 inches (D = 50 8mm) Extra fine thread pit.pdf

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1、AECMA STANDARD NORME AECMA AECMA NORM Edition approved for publication 31 January 2005 prEN 6126 Edition P 1 January 2005 Comments should be sent within six months after the date of publication to AECMA-STAN PUBLISHED BY THE EUROPEAN ASSOCIATION OF AEROSPACE INDUSTRIES - STANDARDIZATION d%k?&?!ff! G

2、ulledelle 94 - B-1200 Brussels - Tel. + 32 2 775 81 10 - Fax. + 32 2 775 81 11 - www.aecma-stan.org ICs: Descriptors: ENGLISH VERSION Aerospace series Fitting end, 24“ internal cone, external thread, flareless type, size -32 Tube diameter D = 2 inches (D = 50,8 mm) Extra fine thread pitch Inch serie

3、s Design standard Srie arospatiale Luft- und Raumfahrt Raccord, cne interne 24“, filetage externe, de type sans panoui et dimension -32 Diamtre du tube D = 2 inches (D = 50,8 mm) Filetage pas extra fin Srie en inches Inch Reihe Norme de conception Konstru ktionsnorm Anschlussstck, Innenkonus 24“, Au

4、ssengewinde, nicht gebrdelt, Gre -32 Rohrdurchmesser D = 2 inches (D = 50,8 mm) Extrafeingewindesteigung This “Aerospace Series“ frestandard has been drawn up under the responsibility of AECMA-STAN (The European Association of Aerospace Industries - Standardization). It is published for the needs of

5、 the European Aerospace Industry. It has been technically approved by the experts of the concerned Domain following member comments. Subsequent to the publication of this frestandard, the technical content shall not be changed to an extent that interchangeabilify is affected, physically or functiona

6、lly, without re-identification of the standard. After examination and review by users and formal agreement of AECMA-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 CE

7、N national 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. Mechanical Domain Copytight 2005 O by AECMA-STA1 Page 2 prEN 6126:2005 Foreword This standard was reviewed by the D

8、omain Technical Coordinator of AECMA-STANS Mechanical Material Domain. After inquiries and votes carried out in accordance with the rules of AECMA-STAN defined in AECMA- STANS General Contents Page 1 Scope 3 2 Normative references . 3 3 Requirements 3 3.1 Configuration, dimensions and tolerances . 3

9、 4 Designation 7 Page 3 prEN 61 26:2005 1 Scope This standard specifies the dimensions, tolerances and the required characteristics of a fitting end, 24“ cone, external thread, flareless type, size -32 for use in hydraulic and fluid systems at 220 psi, diameter D = 2 inches (D = 50,8 mm) for aerospa

10、ce applications. This is a design standard, not valid for order. This fitting can not be used for plug in union. 2 Normative references This European Standard incorporates by dated or undated reference provisions from other publications. These normative references are cited at the appropriate places

11、 in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referre

12、d to applies (including amendments). IS0 3161, Aerospace - UNJ threads - General requirements and limit dimensions 3 Requirements 3.1 Configuration, dimensions and tolerances The configuration, dimensions and tolerances shall conform with Figure 1 to Figure 5, Table 1 and Table 2. Dimensions and tol

13、erances are expressed in inch (millimetres). G min i Figure 1 - Configuration, dimensions and tolerances of fitting end design, style G Page 4 prEN 6126:2005 J c c I /R .O20 - .OOd (R 0,50 - 0,13) Figure 2 - Configuration, dimensions and tolerances of fitting end design, style B - Optional undercut

14、(same as style G except as shown) E Figure 3 - Configuration, dimensions and tolerances of fitting end design, style E (same as style G except as shown) Page 5 prEN 61 26:2005 Gage point Figure 4 - Configuration, dimensions and tolerances of fitting end design I H Figure 5 - Configuration, dimension

15、s and tolerances of fitting end design, optional style F Page 6 prEN 6126:2005 Diameter code No. 32 Table 1 - Dimensions and tolerances OA OB 0c OD OF G T Thread + .O04 + .O04 O - .O03 min class 3A I.003 Gage Ref. (+ 0,lO) (+ 0,lO) (I 0,08) ( 0 ) (-0,W 1.813 2.0680 2.108 2.022 2.407 .678 25000-16UNJ

16、 (46,05) (52,527) (5334) (51,36) (61,14) (17,22) Diameter code No. 32 H J L N W OY + .O15 O I .o10 (I 0,25) f .O03 I .o10 I .o02 (I 0,08) (I 0,25) (I 0,05) i+ 038) (0 ) max. .485 .688 .o90 .I25 .O03 2.406 (12932) (1 748) (2329) (0,076) (61,Il) Table 2 -Wrench pad dimensions mm E TOI. mm 60,33 I I 61

17、,93 I 65,l O I 66,68 I f 0,25 68,28 I I 69,85 I 71,45 I 73,03 I Wrench inch 2” 318 2” 711 6 2” 112 2” 911 6 2” 518 2” 11/16 2” 314 2” 13/16 2” 718 Page 7 prEN 6126:2005 Description block FITTING END, FLARELESS Identity block EN6126-32638 Optional (see Figure 5) Inner shoulder style designation Number of this standard Separation Size code No. dash (.O625 a- inch of tube outside diameter) Style designation (see Figure 1 to Figure 3) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block.