1、BRITISH STANDARD AEROSPACE SERIES BS EN 3788:2001 Pipe coupling 8 30 Protective caps The European Standard EN 3788:2001 has the status of a British Standard ICS 43.040.70; 49.025.01 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBS EN 3788:2001 This British Standard, having be
2、en prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 12 November 2001 BSI 12 November 2001 ISBN 0 580 37178 4 National foreword This British Standard is the official English langua
3、ge version of EN 3788:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/69, Aerospace Hydraulic Systems, Fluids and Components which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cros
4、s-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electroni
5、c Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand
6、the text; present to the responsible European committee 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
7、inside front cover, the EN title page, pages 2 to 5 and 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 EN3788 October2001 ICS49.080 E
8、nglishversion AerospaceseriesPipecoupling830Protectivecaps SriearospatialeSystmederaccordement830 Capuchonsdeprotection LuftundRaumfahrtRohrverschraubung830 Schutzkappen ThisEuropeanStandardwasapprovedbyCENon29December2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulat
9、etheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,Ge
10、rman).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Irelan
11、d,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwidef
12、orCENnationalMembers. Ref.No.EN3788:2001EEN3788:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). AfterinquiriesandvotescarriedoutinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandthe
13、OfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,atthelatestbyApril2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyApril2002. AccordingtotheCEN
14、/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.
15、EN3788:2001(E) 3 1 Scope Thisstandardspecifiesthecharacteristicsforprotectivecapsforpipecouplings8 30,usedtoprotectmetric pipeendsduringtransportationandstorage,foraerospaceapplications.Thecapsshallbepushedon/offthe tubeends. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedrefe
16、renceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedr
17、eferences,the latesteditionofthepublicationreferredtoapplies(includingamendments). ISO27681 GeneraltolerancesPart1:Tolerancesforlinearandangulardimensionswithoutindividual toleranceindications EN2424 AerospaceseriesMarkingofaerospaceproducts 3 Requiredcharacteristics 3.1 ConfigurationDimensions Acco
18、rdingtofigure1andtable1 Thedimensionsnotspecifiedareatthemanufacturersoption. 3.2 Characteristics Thecapsshallbewithoutanyvisiblecontamination.Internalsurfacesandendsurfacesshallbefreefrom burrs. Thecapsshallbefirmlyattachedtothepipe,butbeabletoberemovedbyfingerforce.EN3788:2001(E) 4 3.3 Material Po
19、lyethylene,gradeI,virgin(LDPE) Colour:white Dimensionsinmillimetres a Areaformarking NOTEGeneraltolerancesseeISO27681 Figure1 Table1 Dimensionsinmillimetres Code a ADL 05 06 08 0,8 0,8 0,8 05 06 08 22 22 22 10 12 14 16 18 0,8 1,0 1,0 1,0 1,0 10 12 14 16 18 22 22 22 22 22 20 22 25 28 1,0 1,0 1,0 1,0
20、20 22 25 28 22 22 22 22 32 1,0 32 22 a Correspondstothepipenominaloutsidediameter NOTE PartsaresuppliedwithamoldingringforextragrippingpowerEN3788:2001(E) 5 4 Designation EXAMPLE: Descriptionblock Identityblock PROTECTIVECAP EN378808 Numberofthisstandard Code(seetable1) NOTE:Ifnecessary,thecode I900
21、5shallbeplacedbetweenthedescriptionblockandtheidentityblock. 5 Marking AccordingtoEN2424,styleFpluscodeoftable1andfigure1BS EN 3788:2001 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It pre
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