1、BS EN 4020:2009ICS 49.080NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAerospace series Pipe coupling 8null30 in titanium alloy Elbows 90null, welded end with thrust wire nutThis British Standardwas published under theauthority of the StandardsPolicy and Strat
2、egyCommittee on 31 July2009. BSI 2009ISBN 978 0 580 57053 7Amendments/corrigenda issued since publicationDate CommentsBS EN 4020:2009National forewordThis British Standard is the UK implementation of EN 4020:2009. Itsupersedes BS EN 4020:2001 which is withdrawn.The UK participation in its preparatio
3、n was entrusted to TechnicalCommittee ACE/69, Aerospace hydraulic systems, fluids andcomponents.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsib
4、le for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.BS EN 4020:2009EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4020 July 2009 ICS 49.080 Supersedes EN 4020:2001 English Version Aerospace series - Pipe coupling 830 in titanium alloy
5、- Elbows 90, welded end with thrust wire nut Srie arospatiale - Systme de raccordement 830 en alliage de titane - Raccords couds 90 souder, avec crou jonc Luft- und Raumfahrt - Rohrverschraubung 830 aus Titanlegierung - Winkelverschraubungen 90 mit Anschweiende, mit Mutter mit Schubdraht This Europe
6、an Standard was approved by CEN on 12 March 2009. 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 references conce
7、rning such national standards may be obtained on application to the CEN 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 member into its ow
8、n language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithua
9、nia, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2009 CE
10、N All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4020:2009: EBS EN 4020:2009EN 4020:2009 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Required characteristics .5 3.1 Configuration Dimensions Mass.5 3.2 Surface r
11、oughness 5 3.3 Materials .5 3.4 Surface treatment 5 3.5 Internal surface finishing 5 4 Designation 8 5 Marking .8 6 Technical specification .8 7 Quality assurance 8 BS EN 4020:2009EN 4020:2009 (E) 3 Foreword This document (EN 4020:2009) has been prepared by the Aerospace and Defence Industries Assoc
12、iation of Europe - Standardization (ASD-STAN). After enquiries 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
13、 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 January 2010, and conflicting national standards shall be withdrawn at the latest by January 2010. This document supersedes EN 4020:2001. Attention is d
14、rawn to the possibility that some 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 follo
15、wing countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slov
16、enia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 4020:2009EN 4020:2009 (E) 4 1 Scope This standard specifies the characteristics of elbows 90, welded end, with thrust wire nut, for pipe couplings 830, in titanium alloy, for aerospace applications. Nominal pressure: up to 28 000 kPa Tem
17、perature range: 55 C to 135 C 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) appli
18、es. EN 2424, Aerospace series Marking of aerospace products. EN 2491, Aerospace series Molybdenum disulphide dry lubricants Coating methods. EN 2656, Aerospace series Pipe coupling Coupling end, welded Geometric configuration. EN 3264, Aerospace series Pipe coupling 830 in titanium alloy Thrust wire
19、 nuts. EN 3273, Aerospace series Pipe coupling 830 Dynamic beam seal end for elbows, tees and crosses Geometric configuration. EN 3275, Aerospace series Pipe coupling 830 up to 28 000 kPa Dynamic beam seal Metric series Technical specification. EN 3311, Aerospace series Titanium alloy TI-P64001 Anne
20、aled Bar for machining D 150 mm. 1)EN 3312, Aerospace series Titanium alloy TI-P64001 Grade 2 Annealed Forgings De 150 mm.1)EN 3314, Aerospace series Titanium alloy TI-P64001 Solution treated and aged Bar for machining D 75 mm. 1)EN 3315, Aerospace series Titanium alloy TI-P64001 Solution treated an
21、d aged Forgings De 75 mm. 1) EN 4032, Aerospace series Pipe coupling 830 in titanium alloy Thrust wire. EN 9133, Aerospace series Quality management systems Qualification procedure for aerospace standard parts. ISO 5855-3, Aerospace MJ threads Part 3: Limit dimensions for fittings for fluid systems.
22、 1) Published as ASD Prestandard at the date of publication of this standard. BS EN 4020:2009EN 4020:2009 (E) 5 3 Required characteristics 3.1 Configuration Dimensions Mass According to Figure 1 and Table 1. The values apply before lubricating. Dimensions not specified are at the manufacturers optio
23、n provided that the qualification and acceptance requirements of EN 3275, type II are met. 3.2 Surface roughness According to Figure 1, unless otherwise specified in the design documentation. 3.3 Materials According to EN 3311 or EN 3314, EN 3312 or EN 3315. 3.4 Surface treatment Welded end without
24、surface treatment min. 10 mm (outside and bore diameters). Lubrication: according to EN 2491, on contact area between thrust wire and coupling. Prior to application of the lubricant, the surface shall be abrasive blasted using non-metallic grit. Film thickness 0,005 mm to 0,013 mm. 3.5 Internal surf
25、ace finishing Finishing shall give a radius R of 0,3 mm to 1,0 mm and a surface roughness of 0,8 m. Hand deburring is not permitted. BS EN 4020:2009EN 4020:2009 (E) 6 Dimensions in millimetres Key 1 Nut according to EN 3264 2 Thrust wire according to EN 4032 aArea for marking bAccording to EN 3273 c
26、Across flats s2dAccording to EN 2656 eAcross flats s1f Fully inserted gR 0,3 to 1,0 Figure 1 BS EN 4020:2009EN 4020:2009 (E) 7 Table 1 Dimensions in millimetres Code a,bThread cl1 dl2l3 dl4l5 er s1s2Mass g/piece 4H5H 0,2 0,2 0,3 020,010,h13 h13 max. 0504 0505 MJ10 1 19 24,8 19 14 6,6 1,0 14 8 10,01
27、10,10 0605 MJ12 1,25 21 27,7 21 15 7,5 1,0 16 9 13,82 0805 0806 MJ14 1,5 24 32,6 24 16 9,4 1,0 18 11 16,66 16,82 1005 1008 MJ16 1,5 25 33,5 25 16 9,3 1,2 21 13 21,10 21,71 1205 1206 1209 MJ18 1,5 27 36,2 27 17 10,5 1,2 22 15 28,70 28,96 29,72 1405 1408 1410 MJ20 1,5 28 37,1 28 19 10,4 1,2 24 16 33,7
28、7 34,81 35,44 1605 1606 1610 1612 MJ22 1,5 30 38,9 30 19 10,2 1,2 27 18 46,22 46,62 48,16 48,89 1805 1807 1810 1813 MJ24 1,5 32 41,1 32 19 10,9 1,2 30 21 61,18 62,09 63,38 64,62 2006 2007 2012 2015 MJ27 1,5 35 44,1 35 20 10,9 1,5 32 24 72,27 72,81 75,30 76,74 2208 2212 2216 MJ30 1,5 37 46,1 37 21 10
29、,8 1,5 36 27 92,36 94,68 96,91 2508 2509 2514 2518 MJ33 1,5 40 49,1 40 23 10,8 1,5 41 30 123,95 124,69 128,28 131,06 2808 2810 2816 2820 MJ36 1,5 43 52,1 43 24 10,8 1,5 46 34 148,91 150,61 155,68 158,92 3210 3212 MJ39 1,5 45 53,9 45 25 10,6 1,5 50 36 177,97 180,05 aCorresponds to the pipe nominal ou
30、tside diameter and wall thickness. bRelationship between code and pressure classification according to EN 2656. cAccording to ISO 5855-3.dDrill depth dimension. eOnly applicable when diameter d2to EN 3273 is smaller than the actual forging diameter. Differences between these diameters are acceptable
31、. BS EN 4020:2009EN 4020:2009 (E) 8 4 Designation EXAMPLE Description block ELBOW 90, WELDED END Identity block EN4020-0806 Number of this standard Code (see Table 1) NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Marking According to EN 242
32、4, style A and Figure 1. 6 Technical specification According to EN 3275, type II. 7 Quality assurance See EN 9133. BS EN 4020:2009This page has been intentionally left blankBS EN4020:2009BSI GroupHeadquarters 389Chiswick High Road,London, W4 4AL, UKTel +44 (0)20 8996 9001Fax +44 (0)20 8996 - Britis
33、h Standards InstitutionBSI is the independent national body responsible for preparing BritishStandards. It presents the UK view on standards in Europe and at theinternational level. It is incorporated by Royal Charter.RevisionsBritish Standards are updated by amendment or revision. Users of BritishS
34、tandards should make sure that they possess the latest amendments oreditions.It is the constant aim of BSI to improve the quality of our products and services.We would be grateful if anyone finding an inaccuracy or ambiguity while usingthis British Standard would inform the Secretary of the technica
35、l committeeresponsible, the identity of which can be found on the inside front cover. Tel:+44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400.BSI offers members an individual updating service called PLUS which ensuresthat subscribers automatically receive the latest editions of standards.Buying standardsO
36、rders for all BSI, international and foreign standards publications should beaddressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 89967001 Email: You may also buy directly using a debit/creditcard from the BSI Shop on the Website http:/ response to orders for international stand
37、ards, it is BSI policy to supply theBSI implementation of those that have been published as British Standards,unless otherwise requested.Information on standardsBSI provides a wide range of information on national, European andinternational standards through its Library and its Technical Help to Exp
38、ortersService. Various BSI electronic information services are also available whichgive details on all its products and services. Contact Information Centre. Tel:+44 (0)20 8996 7111 Fax: +44 (0)20 8996 7048 Email: Subscribing members of BSI are kept up to date with standards developmentsand receive
39、substantial discounts on the purchase price of standards. For detailsof these and other benefits contact Membership Administration. Tel: +44 (0)208996 7002 Fax: +44 (0)20 8996 7001 Email: Information regarding online access to British Standards via British StandardsOnline can be found at http:/ info
40、rmation about BSI is available on the BSI website at http:/.CopyrightCopyright subsists in all BSI publications. BSI also holds the copyright, in theUK, of the publications of the international standardization bodies. Except aspermitted under the Copyright, Designs and Patents Act 1988 no extract ma
41、ybe reproduced, stored in a retrieval system or transmitted in any form or by anymeans electronic, photocopying, recording or otherwise without prior writtenpermission from BSI.This does not preclude the free use, in the course of implementing the standard,of necessary details such as symbols, and size, type or grade designations. Ifthese details are to be used for any other purpose than implementation then theprior written permission of BSI must be obtained.Details and advice can be obtained from the Copyright and Licensing Manager.Tel: +44 (0)20 8996 7070 Email:
