1、BRITISH STANDARD AEROSPACE SERIES BS EN 4550-2:2003 Pipe coupling 37 Design configuration Inch series Part 2: Port ends The European Standard EN 4550-2:2003 has the status of a British Standard ICS 49.080 BS EN 4550-2:2003 This British Standard was published under the authority of the Standards Poli
2、cy and Strategy Committee on 6 February 2003 BSI 6 February 2003 ISBN 0 580 41207 5 National foreword This British Standard is the official English language version of EN 4550-2:2003. The UK participation in its preparation was entrusted by Technical Committee ACE/12, Aerospace fasteners and fasteni
3、ng systems, to Subcommittee ACE/12/1, Aerospace fasteners and fastening systems (international), which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international
4、 or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to i
5、nclude all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any en
6、quiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 and a back
7、 cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN45502 January2003 ICS49.080 Englishversion AerospaceseriesPipecoupling,37Designconfigurati
8、on InchseriesPart2:Portends ThisEuropeanStandardwasapprovedbyCENon2June2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings
9、uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamest
10、atusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATI
11、ON COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN45502:2003EEN45502:2003(E) 2 Contents page Foreword3 1 Scope 3 2 Normativereferences 3 3 Di
12、mensionsTolerances. .3 4 Designation.5EN45502:2003(E) 3 Foreword Thisdocument(EN45502:2003)hasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers Standardization(AECMASTAN). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhasreceived theapprovaloftheNat
13、ionalAssociationsandtheOfficialServicesofthemembercountriesofAECMA,priortoits presentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJuly2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby July20
14、03. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,
15、Spain,Sweden,SwitzerlandandtheUnitedKingdom. 1Scope Thisstandarddefinesthedimensionsandtolerancesfortheportendofinchseriespipecouplings,37,for aerospaceapplications. MatchedfluidsystemcomponentshallhaveaportconnectioninaccordancewithEN45503. 2 Normativereferences ISO3161 AerospaceUNJthreadsGeneralre
16、quirementsandlimitdimensions EN 45503 AerospaceseriesPipecouplings,37DesignconfigurationInchseriesPart3:Port connections 1) 3 DimensionsTolerances SeeFigure1andTable1.Dimensionsandtolerancesareinmillimetres. 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN45502:2003(E) 4 NOTEAllo
17、utersurfacesshallbeconcentricwithatoleranceofdiameter0,1mmrelativetotheinnerdiameter A. Figure1EN45502:2003(E) 5 Table1 Dimensional code a Nominal diameter Thread b AB 0,25 F 0 1 , 0 - GL 0,25 M 25 , 0 0 + - 03 4,763 .375024UNJF3A 2,65 2,90 9,15 7,90 1,80 7,80 04 6,350 .437520UNJF3A 4,25 4,50 9,25 9
18、10 05 7,924 .500020UNJF3A 5,80 6,10 10,80 2,00 10,70 06 9,525 .562518UNJF3A 7,35 7,70 10,15 12,20 0,5 1,3 2,30 12,05 08 12,700 .750016UNJF3A 9,75 10,10 16,75 2,55 16,65 10 15,875 .875014UNJF3A 12,15 12,50 11,15 19,65 3,05 19,50 12 19,050 1.062512UNJ3A 15,30 15,70 24,00 23,85 16 25,400 1.312512UNJ3A
19、 21,20 21,70 12,20 30,35 0,8 1,8 3,30 30,20 a Thiscodecorrespondstothenominaldiametergivenin16 th ofincheswithintwodigits. b QuotedininchesinaccordancewithISO3161 4Designation EXAMPLE: Identityblock EN4550208 Numberofthisstandard Dimensionalcode(seetable1)BS EN 4550-2:2003 BSI 389 Chiswick High Road
20、 London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment
21、or revision. Users of British Standards should make sure that they possess the latest amendments or editions. 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 using this British Standard would i
22、nform the Secretary of the technical committee responsible, 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 ensures that subscribers automatically receive the latest
23、editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. In respon
24、se to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through
25、its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing members of BSI
26、 are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Information regarding online ac
27、cess to British Standards via British Standards Online can be found at http:/www.bsi- Further information about BSI is available on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the internation
28、al standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does
29、 not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-.
