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    BS EN 6123-2016 Aerospace series Fitting end 24 internal cone external thread flareless type Extra fine thread pitch Inch series Design standard《航空航天系列 24内圆锥外螺纹非扩口型管件端 超细螺距 英制系列 设计.pdf

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    BS EN 6123-2016 Aerospace series Fitting end 24 internal cone external thread flareless type Extra fine thread pitch Inch series Design standard《航空航天系列 24内圆锥外螺纹非扩口型管件端 超细螺距 英制系列 设计.pdf

    1、BSI Standards PublicationBS EN 6123:2016Aerospace series Fitting end,24 internal cone, externalthread, flareless type Extrafine thread pitch Inch series Design standardBS EN 6123:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 6123:2016.The UK participation

    2、 in its preparation was entrusted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are

    3、 responsible for its correctapplication. The British Standards Institution 2016. Published by BSI StandardsLimited 2016ISBN 978 0 580 90776 0ICS 49.080Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandar

    4、ds Policy and Strategy Committee on 31 March 2016.Amendments issued since publicationDate Text affectedBS EN 6123:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 6123 March 2016 ICS 49.080 English Version Aerospace series - Fitting end, 24 internal cone, external thread, flareless type - Ex

    5、tra fine thread pitch - Inch series - Design standard Srie arospatiale - Raccord, cne interne 24, filetage externe, de type sans panoui - Filetage pas extra fin - Srie inch - Norme de conception Luft- und Raumfahrt - Endstck, Innenkonus 24, Auengewinde, nicht gebrdelt - Extrafeingewindesteigung - In

    6、ch-Reihe - Konstruktionsnorm This European Standard was approved by CEN on 27 September 2015. 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-dat

    7、e lists and bibliographical references 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

    8、under the responsibility of a CEN member 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, Form

    9、er Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT E

    10、UROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 6123:2016 EBS EN 6123:2016EN 6123:2016 (E) 2 Contents Page

    11、 European foreword 3 1 Scope 4 2 Normative references 4 3 Required characteristics . 5 3.1 Configuration, dimensions and tolerances 5 4 Designation 10 BS EN 6123:2016EN 6123:2016 (E) 3 European foreword This document (EN 6123:2016) has been prepared by the Aerospace and Defence Industries Associatio

    12、n of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this European 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.

    13、This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2016, and conflicting national standards shall be withdrawn at the latest by September 2016. Attention is drawn to the possibility that so

    14、me of the elements of this document may be the subject of patent rights. CEN and/or CENELEC 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 imp

    15、lement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romani

    16、a, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 6123:2016EN 6123:2016 (E) 4 1 Scope This European Standard specifies the dimensions, tolerances and the required characteristics of a fitting end, 24 cone, external thread, flareless type, size -04 up to -20 for

    17、use in hydraulic and fluid systems at 5 080 psi, diameter 1/4 inch D 1 1/4 inch (6,35 mm D 31,75 mm) for aerospace applications. This is a design standard. This fitting end cannot be used for plug in union. 2 Normative references The following documents, in whole or in part, are normatively referenc

    18、ed in this document and are indispensable for its application. For dated references, only the edition 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 dimensions BS

    19、EN 6123:2016EN 6123:2016 (E) 5 3 Required characteristics 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 tolerances are expressed in inch (millimetres). Unless otherwise specified,

    20、 the following tolerances are applicable: Linear dimensions: .010 ( 0,25) Angular dimensions: 030 Key 1 Thread T (as per ISO 3161) 2 Gage point, see Figure 4 or Figure 5 a This style may have an optional undercut as shown in Figure 2. b Sealing surface c 2 incomplete threads max., root radius not re

    21、quired Figure 1 Configuration, dimensions and tolerances of fitting end design, style G BS EN 6123:2016EN 6123:2016 (E) 6 Optional undercut Figure 2 Configuration, dimensions and tolerances of fitting end design, style B (same as style G except as shown) Key a Chamfer Figure 3 Configuration, dimensi

    22、ons and tolerances of fitting end design, style E (same as style G except as shown) BS EN 6123:2016EN 6123:2016 (E) 7 Key 1 Gage point Figure 4 Configuration, dimensions and tolerances of fitting end design Key 1 Gage point Figure 5 Configuration, dimensions and tolerances of fitting end design, opt

    23、ional style F BS EN 6123:2016EN 6123:2016 (E) 8 Table 1 Dimensions and tolerances (continued) Diameter code no. T thread class 3A A .003 ( 0,08) B GAGE C REF. D + .004 0 (+ 0,10) (0) F + .004 - .003 (+ 0,10) (- 0,08) 04 .4375-28UNJEF .187 (4,75) .2930 (7,442) .319 (8,10) .261 (6,63) .379 (9,63) 06 .

    24、5625-24UNJEF .297 (7,54) .4160 (10,566) .441 (11,20) .386 (9,80) .497 (12,62) 08 .7500-20UNJEF .422 (10,72) .5600 (14,224) .601 (15,27) .514 (13,06) .674 (17,12) 10 .8750-20UNJEF .500 (12,70) .6860 (17,424) .727 (18,47) .641 (16,28) .799 (20,29) 12 1.0625-18UNJEF .656 (16,66) .8100 (20,574) .852 (21

    25、,64) .766 (19,46) .971 (24,66) 16 1.3125-16UNJ .875 (22,22) 1.0620 (26,975) 1.102 (27,99) 1.016 (25,81) 1.221 (31,01) 20 1.6250-16UNJ 1.093 (27,76) 1.3160 (33,426) 1.355 (34,42) 1.270 (32,26) 1.533 (38,94) Table 1 Dimensions and tolerances (concluded) Diameter code no. G min. H .003 ( 0,08) J .010 (

    26、 0,25) L .003 ( 0,08) N + .015 0 (+ 0,38) (0) Y .010 ( 0,25) 04 .443 (11.25) .234 (5,94) .453 (11,51) .060 (1,52) .075 (1,91) .365 (9,27) 06 .459 (11.66) .250 (6,35) .469 (11,91) .057 (1,45) .083 (2,11) .480 (12,19) 08 .552 (14.02) .305 (7,75) .562 (14,27) .095 (2,41) .094 (2,39) .660 (16,76) 10 .61

    27、5 (15.62) .350 (8,89) .625 (15,87) .107 (2,72) .775 (19,68) 12 .678 (17.22) .688 (17,47) .097 (2,46) .125 (3,18) .945 (24,00) 16 .678 (17.22) .415 (10,54) .093 (2,36) 1.195 (30,35) 20 .678 (17.22) .090 (2,29) 1.505 (38,22) The diameter code no. is given in 1/16 inch of tube diameter. For dimensions

    28、E, see Table 2. BS EN 6123:2016EN 6123:2016 (E) 9 Table 2 Wrench pad dimensions E Fitting diameter code Size Inch Tol. inch mm Tol. mm Wrench inch 04 06 08 10 12 16 20 07 .438 +.003 -.004 11,11 + 0,08 - 0,10 7/16 R 08 .500 12,70 1/2 p 09 .563 14,29 9/16 X R 10 .625 15,88 5/8 p p 11 .688 17,46 11/16

    29、X X 12 .750 19,05 3/4 S S R 13 .813 20,64 13/16 S S p 14 .875 22,23 7/8 S S X R 15 .938 23,81 15/16 S S p p 16 1.000 25,40 1“ S S X X 17 1.063 26,99 1“ 1/16 S S S p R 18 1.125 28,58 1“ 1/8 S S S p p 19 1.188 30,16 1“ 3/16 S S S p p 20 1.250 31,75 1“ 1/4 S S S X X 21 1.313 33,34 1“ 5/16 S S S S p R 2

    30、2 1.375 34,93 1“ 3/8 S S S S X p 23 1.438 36,51 1“ 7/16 S S S S S p 24 1.500 38,10 1“ 1/2 S S S S S X 25 1.563 39,69 1“ 9/16 S S S S S p 26 1.625 . 010 41,28 0,25 1“ 5/8 S S S S S X R 27 1.688 42,86 1“ 11/16 S S S S S S p 28 1.750 44,45 1“ 3/4 S S S S S S p 29 1.813 46,04 1“ 13/16 S S S S S S p 30 1

    31、.875 47,63 1“ 7/8 S S S S S S p 31 1.938 49,21 1“ 15/16 S S S S S S p 32 2.000 50,80 2“ S S S S S S X R Recommended for weight saving X Not permissible for use in 5 080 psi systems (used in 3 000 psi systems) p Possible use S Special design BS EN 6123:2016EN 6123:2016 (E) 10 4 Designation EXAMPLE De

    32、scription block Identity block FITTING END, FLARELESS EN 6123 - 08 G 12 F Number of this standard Separation dash Size code No. (1/16 inch of tube outside diameter) Style designation (see Figure 1, Figure 2 and Figure 3) Optional (for style E) wrench pad size code (1/16 inch) (see Figure 3 and Table

    33、 2) Optional (see Figure 5) Inner shoulder style designation BS EN 6123:2016EN 6123:2016 (E) 11 RECORD OF REVISIONS Edition Clause modified Description of modification 1 08/03 All New standard 2 02/06 3.1 Figure 1 Figures 3, 4, 5 Table 1 Tolerances added Notes amended Tolerances amended Dimensions G

    34、min amended, dimensions W deleted This 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 incorporated by Royal Charter. British Standards and othe

    35、r standardization products are published by BSI Standards Limited.British Standards Institution (BSI)BSI Group Headquarters389 Chiswick High Road London W4 4AL UKAbout usWe bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertis

    36、e into standards -based solutions.The knowledge embodied in our standards has been carefully assembled in a dependable format and refined through our open consultation process. Organizations of all sizes and across all sectors choose standards to help them achieve their goals.Information on standard

    37、sWe can provide you with the knowledge that your organization needs to succeed. Find out more about British Standards by visiting our website at or contacting our Customer Services team or Knowledge Centre.Buying standardsYou can buy and download PDF versions of BSI publications, including British

    38、and adopted European and international standards, through our website at where hard copies can also be purchased. If you need international and foreign standards from other Standards Development Organizations, hard copies can be ordered from our Customer Services team.SubscriptionsOur range of subs

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    42、cations on your intranet. Licences can cover as few or as many users as you wish. With updates supplied as soon as theyre available, you can be sure your documentation is current. For further information, email .RevisionsOur British Standards and other publications are updated by amendment or revisi

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