BS EN 4550-3-2003 Aerospace series - Pipe coupling 37 Design configuration - Inch series - Port connections《航空航天系列 管连接件37度 设计造型 英制 管孔连接件》.pdf

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1、BRITISH STANDARD AEROSPACE SERIES BS EN 4550-3:2003 Pipe coupling, 37 Design configuration Inch series Part 3: Port connections The European Standard EN 4550-3:2003 has the status of a British Standard ICS 49.080 BS EN 4550-3:2003 This British Standard was published under the authority of the Standa

2、rds Policy and Strategy Committee on 6 February 2003 BSI 6 February 2003 ISBN 0 580 41206 7 National foreword This British Standard is the official English language version of EN 4550-3:2003. The UK participation in its preparation was entrusted by Technical Committee ACE/12, Aerospace fasteners and

3、 fastening 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 inter

4、national 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 purp

5、ort to include 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 committe

6、e any enquiries 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 an

7、d a back 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 EN45503 January2003 ICS49.080 Englishversion AerospaceseriesPipecoupling,37Designcon

8、figuration InchseriesPart3:Portconnections ThisEuropeanStandardwasapprovedbyCENon2June2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferen

9、cesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCen

10、trehasthesamestatusasthe 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. EUROPEANCOMMITTEEF

11、ORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN45503:2003EEN45503:2003(E) 2 Contents page Foreword3 1 Scope 3 2 Normativere

12、ferences 3 3 DimensionsTolerances. .3 4 Designation.5EN45503:2003(E) 3 Foreword Thisdocument(EN45503:2003)hasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers Standardization(AECMASTAN). AfterenquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhasreceived thea

13、pprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesofAECMA,priortoits presentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJuly2003,andconflictingnationalstandardsshallbewithdrawnatthe

14、latestby July2003. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Port

15、ugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom. 1Scope Thisstandarddefinesthedimensionsandtolerancesfortheportconnectionofinchseriespipecouplings,37,for aerospaceapplications. MatchedfluidsystemcomponentshallhaveaportendinaccordancewithEN45502. 2 Normativereferences ISO3161 AerospaceUNJt

16、hreadsGeneralrequirementsandlimitdimensions EN45502 AerospaceseriesPipecouplings,37DesignconfigurationInchseriesPart2:Portends 1) 3 DimensionsTolerances Seefigure1andtable1.Dimensionsandtolerancesareinmillimetres. 1) PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN45503:2003(E) 4 Ke

17、y 1 Lowdepthconfiguration Hmin.= Fmin. 2 Highdepthconfiguration 3 Thread 4 Pitchdiameter 5 DetailV Figure1EN45503:2003(E) 5 Table1 Dimensional code a Nominal diameter Thread b A 4 , 0 0 + B min. D 015 0 + E 1 0 + F min. G 3 , 0 0 + J 03 4,763 .375024UNJF3B 12,70 16,9 9,90 12,6 9,4 1,6 04 6,350 .4375

18、20UNJF3B 14,30 18,5 11,50 05 7,924 .500020UNJF3B 15,90 20,1 13,10 14,5 1,9 0,08 06 9,525 .562518UNJF3B 17,50 21,7 14,70 15,0 10,4 2,1 0,10 08 12,700 .750016UNJF3B 22,25 26,5 19,50 16,5 2,4 10 15,875 .875014UNJF3B 25,40 29,7 22,75 17,0 11,5 2,7 12 19,050 1.062512UNJ3B 31,35 36,1 27,55 0,15 16 25,400

19、1.312512UNJ3B 37,80 42,4 27,45 33,90 19,0 12,5 3,2 0,20 a Thiscodecorrespondstothenominaldiametergivenin16thofincheswithintwodigits. b QuotedininchesinaccordancewithISO3161. 4Designation EXAMPLE: Identityblock EN4550308 Numberofthisstandard Dimensionalcode(seetable1)BS EN 4550-3:2003 BSI 389 Chiswic

20、k High Road 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

21、 amendment 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 Stand

22、ard would inform 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

23、the latest 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-

24、. In response 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 standar

25、ds through 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 mem

26、bers of BSI 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 regardin

27、g online access 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

28、international 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

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