1、BS EN 4811:2017Aerospace series - Flange couplings - Gasket seal with fluorocarbon seal on aluminium plate with 4 fastening holes - Inch seriesBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06National forewordThis British Standard is the UK implementation of EN 4811:2
2、017.The UK participation 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 provisio
3、ns of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 95342 2ICS 49.080Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published und
4、er the authority of the Standards Policy and Strategy Committee on 30 June 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 4811:2017EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 4811May 2017ICS 49.080EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN D
5、E NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGCEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN Ref. No. EN 4811:2017: EAll rights of exploitation in any form and by any means reserved worldwide for CEN national MembersAerospace series - Flange couplings - Gasket seal with flu
6、orocarbon seal on aluminium plate with 4 fastening holes - Inch seriesSrie arospatiale - Raccordement bride - Joint plaque avec joint en fluorocarbone sur plaque en aluminium avec 4 trous de fixation - Srie en inchesLuft- und Raumfahrt - Rohrverschraubung mit Flanschen - Flachdichtung aus Fluorocarb
7、on-Elastomer, mit Aluminiumarmierung mit 4 Befestigungslchern - Inch-ReiheThis European Standard was approved by CEN on 14 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
8、 standard without any alteration. Up-to-date lists and bibliographical references concerning 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
9、in any other language made by translation under the responsibility of a CEN member 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
10、Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingd
11、om.English VersionEN 4811:2017 (E)European foreword 31 Scope . 42 Normative references 43 Required characteristics 43.1 Configuration Dimensions Tolerances Masses 43.2 Material . 43.3 Surface treatment . 43.4 Adherence . 54 Designation 65 Identification marking . 66 Technical specification . 67 Qual
12、ity Assurance 62Contents PageBS EN 4811:2017EN 4811:2017 (E)European forewordThis document (EN 4811:2017) 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 Associatio
13、n, 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 European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at
14、 the latest by November 2017, and conflicting national standards shall be withdrawn at the latest 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 p
15、atent rights.According to the CEN-CENELEC Internal Regulations, the national standards organizations 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
16、, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.3BS EN 4811:2017EN 4811:2017 (E)1 ScopeThis standard specifies the
17、characteristics of gasket seal with fluorocarbon seal on aluminium plate, 4 holes, for pipe couplings for inch series aerospace applications.Nominal pressure: up to 21 000 kPa; depends on the associated tube material and tube wall thickness in the assembly (see EN 4814).Temperature range: 20 C to 20
18、0 C.NOTE Assembly in accordance with TR 4815.This part should not be reused after disassembling.2 Normative referencesThe following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited appl
19、ies. For undated references, the latest edition of the referenced document (including any amendments) applies.EN 2284 , Aerospace series Sulphuric acid anodizing of aluminium and wrought aluminium alloysEN 2424 , Aerospace series Marking of aerospace productsEN 2693 , Aerospace series Aluminium allo
20、y AL-P5086-H111 Sheet and strip 0,3 mm a 6 mmEN 2699, Aerospace series Aluminium alloy (5086) Annealed and straightened (H111) Drawn bar 6 D 50 mm1)EN 2798, Aerospace series Fluorocarbon rubber (FPM) Low compression set Hardness 80 IRHDEN 4054 , Aerospace series Pipe couplings, loose flanges and sea
21、ls Seals in fluorocarbon rubber and armature in aluminium alloy Technical specificationEN 4814, Aerospace series Flange couplings up to 21 000 kPa Technical specification Inch seriesEN 9100 , Quality Management Systems Requirements for Aviation, Space and Defense OrganizationsTR 4815, Aerospace seri
22、es Flange couplings up to 21 000 kPa Design standard Inch series2)3 Required characteristics3.1 Configuration Dimensions Tolerances MassesSee Figure 1 and Table 1. Dimensions and tolerances are in millimetres, except otherwise specified.3.2 MaterialPlate: EN 2693 or EN 2699.Seal: EN 2798.3.3 Surface
23、 treatmentPlate: EN 2284 BC Green.1) Published as ASD-STAN Prestandard at the date of publication of this standard. ( http:/www.asd-stan.org/ )2) Published as ASD-STAN Technical Report at the date of publication of this standard. ( http:/www.asd-stan.org/ )4 BS EN 4811:2017EN 4811:2017 (E)3.4 Adhere
24、nceTwo parts of seal shall be adhere to the plate and bonded together through equally spaced holes.Key1 3D view2 Marking3 Surface geometric tolerance applies to F and R14 Form not stated are left to the manufacturers discretion. Design and manufacturing of sealing parts dimensioning shall not allow
25、any bead outside lateral cavities while assembling the coupling.Figure 15BS EN 4811:2017EN 4811:2017 (E)Table 1Dimension-al code aNominal diameterA B C D E F R1 R2 Mass binch mm 0,25 Theo. Theo. 0,1 Theo. Theo. Theo. min max 10A .625 15,875 13,5 26,36 13,18 5,1 21,21 28,45 5,56 5,08 8,13 4,110B .625
26、 15,875 13,5 28,30 14,15 6,6 21,21 31,20 6,76 5,08 8,13 5,312A .750 19,050 17,0 29,36 14,68 5,1 24,38 31,75 5,56 5,08 8,13 4,512B .750 19,050 17,0 30,48 15,24 6,6 24,38 40,23 6,76 5,08 8,13 6,716A 1.000 25,400 23,1 33,32 16,66 5,1 30,58 38,10 5,56 5,08 8,13 5,216B 1.000 25,400 23,1 35,92 17,96 6,6 3
27、0,58 46,84 6,76 6,60 9,91 8,120B 1.250 31,750 28,9 42,06 21,03 6,6 37,90 46,84 6,76 6,60 9,91 8,024B 1.500 38,100 34,9 46,02 23,01 6,6 43,94 53,97 7,14 6,60 9,91 9,428B 1.750 44,450 41,2 52,37 26,06 6,6 51,61 60,32 7,14 6,60 9,91 10,732C 2.000 50,800 46,8 60,32 30,17 8,2 61,01 69,85 7,92 7, 87 11,68
28、 14,4aThis code is 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 DesignationEXAMPLE NOTE If necessary, the code I9005 s
29、hall be placed between the description block and the identity block.5 Identification markingEN 2424 , category A, as indicated on Figure 1.6 Technical specificationEN 4054 with minimum pressure values for ageing and pressurizing tests.7 Quality AssuranceApproval of the manufactures.See EN 9100 .6 BS
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