1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Aerospace 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 series - Inch series - Design standardBS EN 6126:2018National
2、 forewordThis British Standard is the UK implementation of EN 6126:2018.The UK participation in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained on request to its secretary.Thi
3、s publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 51586 6ICS 49.080Compliance with a British Standard cannot confer immu
4、nity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 6126:2018EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 6126Au
5、gust 2018ICS 49.080EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2018 CEN Ref. No. EN 6126:2018: EAll rights of exploitation in any form and by any means reserved worldwide for CEN na
6、tional MembersAerospace 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 series - Inch series - Design standardSrie arospatiale - Raccord, cne interne 24, filetage externe, de type sans panoui et dimen
7、sion -32 diamtre du tube D=2 inches (D=50,8 mm) filetage pas extra fin - Srie en inches - Norme de conceptionLuft- und Raumfahrt - Anschlussstck, Innenkonus 24, Aussengewinde, nicht gebrdelt, Gre -32 rohrdurchmesser D=2 inches (D=50,8 mm) Extrafeingewindesteigerung - Inch Reihe - KonstruktionsnormTh
8、is European Standard was approved by CEN on 22 January 2018.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical refere
9、nces concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN m
10、ember into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, F
11、rance, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.English VersionEN 6126:2018 (E)European foreword iii1 Scope . 42 Normative
12、 references 43 Requirements 43.1 Configuration, dimensions and tolerances . 44 Designation 7iiContents PageBS EN 6126:2018EN 6126:2018 (E)European forewordThis document (EN 6126:2018) has been prepared by the Aerospace and Defence Industries Association of Europe Standardization (ASD-STAN).After enq
13、uiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN.This European Standard shall be given the status of a nationa
14、l standard, either by publication of an identical text or by endorsement, at the latest by February 2019, and conflicting national standards shall be withdrawn at the latest by February 2019.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
15、 rights. CEN shall not be held responsible for identifying any or all such patent rights.According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czec
16、h Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United
17、 Kingdom.iiiBS EN 6126:2018EN 6126:2018 (E)1 ScopeThis 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
18、ce applications.This is a design standard, not valid for order.This fitting can not be used for plug in union.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edit
19、ion cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 3161, Aerospace UNJ threads General requirements and limit dimensions3 Requirements3.1 Configuration, dimensions and tolerancesThe configuration, dimensions and tolerances
20、shall conform with Figure 1 to Figure 5, Table 1 and Table 2.Dimensions and tolerances are expressed in inch (millimetres).Figure 1 Configuration, dimensions and tolerances of fitting end design, style G4 BS EN 6126:2018EN 6126:2018 (E)Figure 2 Configuration, dimensions and tolerances of fitting end
21、 design, style B Optional undercut (same as style G except as shown)Figure 3 Configuration, dimensions and tolerances of fitting end design, style E (same as style G except as shown)5BS EN 6126:2018EN 6126:2018 (E)Figure 4 Configuration, dimensions and tolerances of fitting end designFigure 5 Config
22、uration, dimensions and tolerances of fitting end design, optional style F6 BS EN 6126:2018EN 6126:2018 (E)Table 1 Dimensions and tolerancesDiameter codeNo. T Threadclass 3A A B C D F GGage Ref.min32 2.5000-16UNJDiameter codeNo. H J L N W Ymax.32Table 2 Wrench pad dimensionsESizeTol. Tol. Wrenchinch
23、 inch mm mm inch38 2.375.01060,330,252“ 3/839 2.438 61,93 2 “ 7/1640 2.500 63,50 2“ 1/241 2.563 65,10 2“ 9/1642 2.625 66,68 2“ 5/843 2.688 68,28 2“ 11/1644 2.750 69,85 2“ 3/445 2.813 71,45 2“ 13/1646 2.875 73,03 2 “ 7/84 DesignationEXAMPLE7BS EN 6126:2018EN 6126:2018 (E)NOTE If necessary, the code I
24、9005 shall be placed between the description block and the identity block.8 BS EN 6126:2018This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is
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