EN 4801-2017 en Aerospace series - Flange couplings - Swivel flange with 3 fastening holes in heat resisting steel - Inch series.pdf

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1、Aerospace series Flange couplings Swivel flange with 3 fastening holes, in heat resisting steel Inch seriesBS EN 4801:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06National forewordThis British Standard is the UK implementation of EN 4801:2017.The UK participat

2、ion in its preparation was entrusted to Technical Committee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Use

3、rs are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 95332 3ICS 49.080Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of t

4、he Standards Policy and Strategy Committee on 30 June 2017.Amendments/corrigenda issued since publicationDate Text affected BRITISH STANDARDBS EN 4801:2017EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 4801May 2017ICS 49.080EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROP

5、ISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN Ref. No. EN 4801:2017: EAll rights of exploitation in any form and by any means reserved worldwide for CEN national MembersAerospace series - Flange couplings - Swivel flange with 3 fastening holes, in

6、 heat resisting steel - Inch seriesSrie arospatiale - Raccordement bride - Brides flottantes avec 3 trous de fixation en acier rsistant chaud - Srie en inchesLuft- und Raumfahrt - Rohrverschraubung mit Flanschen - Lose Flansche mit 3 Befestigungslchern, aus hochwarmfestem Stahl - Inch-ReiheThis Euro

7、pean Standard was approved by CEN on 21 November 2016.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 c

8、oncerning 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 under the responsibility of a CEN member

9、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, Former Yugoslav Republic of Macedonia, France,

10、 Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.English VersionEN 4801:2017 (E)European foreword 31 Scope . 42 Normative referen

11、ces 43 Required characteristics 43.1 Configuration Dimensions Tolerances Masses 43.2 Material and surface treatment 44 Designation 65 Identification marking . 66 Technical specification . 67 Quality Assurance 62Contents PageBS EN 4801:2017EN 4801:2017 (E)European forewordThis document (EN 4801:2017)

12、 has been prepared by the Aerospace and Defence Industries Association 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 Service

13、s of the member countries of ASD, prior to its presentation to CEN.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 November 2017, and conflicting national standards shall be withdrawn at the lates

14、t by November 2017.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights.According to the CEN-CENELEC Internal Regulations, the national standards organizat

15、ions of the following countries are bound to implement 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, Malt

16、a, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.3BS EN 4801:2017EN 4801:2017 (E)1 ScopeThis European Standard specifies the characteristics of swivel flanges, 3 holes, for flange couplings in heat resisting stee

17、l for inch series aerospace applications.Nominal pressure: up to 21 000 kPa; depends on associated seal, tube material, tube diameter and tube wall thickness in the assembly (see EN 4814).NOTE Assembly in accordance with TR 4815.2 Normative referencesThe following documents, in whole or in part, are

18、 normatively referenced 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.EN 2424 , Aerospace series Marking of aerospace productsE

19、N 2516 , Aerospace series Passivation of corrosion resisting steels and decontamination of nickel base alloysEN 3468, Aerospace series - Steel FE-PA13 - Softened - 500 Rm 700 MPa - Forgings - De 100 mm1)EN 3487 , Aerospace series Steel FE-PA3601 (X6CrNiTi18-10) Air melted Softened Bar for machining

20、a or D 250 mm 500 MPa Rm 700 MPaEN 4315 , Aerospace series Heat resisting alloy FE-PA2601 (X6NiCrTiMoV26-15) Solution treated and precipitation treated, bar and section a or D 100 mm, Rm 900 MPaEN 4814, Aerospace series - Flange couplings up to 21 000 kPa - Technical specification - Inch seriesEN 91

21、00 , Quality Management Systems Requirements for Aviation, Space and Defense OrganizationsTR 4815, Aerospace series - Flange couplings up to 21 000 kPa - Design standard - Inch series2)3 Required characteristics3.1 Configuration Dimensions Tolerances MassesSee Figure 1 and Table 2. Dimensions and to

22、lerances are in millimetres, except otherwise specified.3.2 Material and surface treatmentTable 1Material CodeEN 3468 or EN 3487 1EN 4315 2Surface finish: Passivation EN 2516 .1) Published as ASD-STAN Prestandard at the date of publication of this European Standard. (http:/www.asd-stan.org/)2) Publi

23、shed as ASD-STAN Technical Report at the date of publication of this European Standard. (http:/www.asd-stan.org/).4 BS EN 4801:2017EN 4801:2017 (E)Key1 3D view (for information only)2 3 equally spaced holes3 marking4 location of holesFigure 15BS EN 4801:2017EN 4801:2017 (E)Table 2Dimen-sional code a

24、Nominal diameterA B C D G H J K N Mass binch mm 0,25+0,15 00,25 Theo.+0,5 0min max+0,5 0+0,15 0min max 10A .625 15,875 5,20 2,40 20,30 37, 3 6,30 5,50 5,70 18,65 28,80 14 16 35,410B .625 15,875 5,20 2,40 20,30 40,0 7, 50 7,10 7, 30 20,00 28,80 14 16 40,112A .750 19,050 5,20 2,40 24,40 41,5 6,30 5,50

25、 5,70 20,75 32,00 2130 2230 40,712B .750 19,050 5,20 2,40 24,40 43,1 8,10 7,10 7, 30 21,55 32,00 2130 2230 49,016A 1.000 25,400 5,20 2,40 30,70 47,1 6,30 5,50 5,70 23,55 38,35 14 16 45,816B 1.000 25,400 5,20 2,40 30,70 50,8 9,00 7,10 7, 30 25,40 38,35 2130 2230 65,220B 1.250 31,750 5,45 2,65 37, 30

26、59,5 7, 25 7,10 7, 30 29,75 47,10 2130 2230 76,124B 1.500 38,100 6,00 2,95 42,90 65,1 7, 25 7,10 7, 30 32,55 54,20 14 16 90,228B 1.750 44,450 6,20 3,15 50,50 76,1 7, 25 7,10 7, 30 37,05 60,60 2130 2230 119,532C 2.000 50,800 6,20 3,15 56,90 85,3 8,20 8,60 8,90 42,65 70,10 2130 2230 152,4aThis code is

27、 composed with the following elements: Nominal diameter given in 16thof inches within 2 digit; Bolt nominal thread diameter A: .1900 in (4,826 mm); B: .2500 in (6,35 mm); C: .3125 in (7,938 mm). bMass quoted in kg/1 000 parts. 4 DesignationEXAMPLENOTE If necessary, the code I9005 shall be placed bet

28、ween the description block and the identity block.5 Identification markingEN 2424 , category A, as indicated on Figure 1.6 Technical specificationSee EN 4814.7 Quality AssuranceApproval of the manufactures.See EN 9100 .6 BS EN 4801:2017This page deliberately left blankBSI is the national body respon

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