1、Aerospace series - Flange couplings - Weld coupling, 90 elbow, in nickel alloy - Inch seriesBS EN 4808:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4808 May 2017 ICS 49.080 English Version Aerospace series -
2、 Flange couplings - Weld coupling, 90 elbow, in nickel alloy - Inch series Srie arospatiale - Raccordement bride - Raccord souder, coude 90, en alliage de nickel - Srie en inches Luft- und Raumfahrt - Rohrverschraubung mit Flanschen - Schweistutzen, Winkelstutzen 90, aus Nickellegierung - Inch-Reihe
3、 This 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 standard without any alteration. Up-to-date lists and bibliographical r
4、eferences 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 in any other language made by translation under the responsibility of a
5、 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 Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Maced
6、onia, 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 Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISAT
7、ION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4808:2017 ENational forewordThis British Standard is the UK implementation of
8、EN 4808:2017.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
9、 provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 95339 2ICS 49.080Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was publ
10、ished under the authority of the Standards Policy and Strategy Committee on 30 June 2017.Amendments/corrigenda issued since publicationDate Text affected BRITISH STANDARDBS EN 4808:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4808 May 2017 ICS 49.080 English Version Aerospace series - Fl
11、ange couplings - Weld coupling, 90 elbow, in nickel alloy - Inch series Srie arospatiale - Raccordement bride - Raccord souder, coude 90, en alliage de nickel - Srie en inches Luft- und Raumfahrt - Rohrverschraubung mit Flanschen - Schweistutzen, Winkelstutzen 90, aus Nickellegierung - Inch-Reihe Th
12、is 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 standard without any alteration. Up-to-date lists and bibliographical refe
13、rences 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 in any other language made by translation under the responsibility of a CE
14、N 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 Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedoni
15、a, 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 Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION
16、 EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4808:2017 EBS EN 4808:2017EN 4808:2017 (E) 2 Contents Page European foreword . 3
17、1 Scope . 4 2 Normative references . 4 3 Required characteristics . 4 4 Designation . 7 5 Identification marking . 7 6 Technical specification . 7 7 Quality Assurance. 7 BS EN 4808:2017EN 4808:2017 (E) 3 European foreword This document (EN 4808:2017) has been prepared by the Aerospace and Defence In
18、dustries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentatio
19、n 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 latest by November 2017. Attention is drawn to the possibility
20、 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 organizations of the following countries are bound to implement
21、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, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serb
22、ia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4808:2017EN 4808:2017 (E) 4 1 Scope This standard specifies the characteristics of straight welded coupling in nickel alloy for swivel flange couplings for inch series aerospace applications. Nominal pressure: T
23、he parts shall withstand nominal pressures given in Table 1. The nominal pressure of the assembly depends on associated seal, tube material characteristics, tube diameter and tube wall thickness (see EN 4814). NOTE Assembly in accordance with TR 4815. 2 Normative references The following documents,
24、in whole or in part, are 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 Markin
25、g of aerospace products EN 2516, Aerospace series Passivation of corrosion resistant steels and decontamination of nickel base alloys EN 3671, Aerospace series Heat resisting alloy NI-PH3601 (NiCr22Mo9Nb) Non heat treated Forging stock a or D 250 mm EN 4379, Aerospace series Heat resisting alloy NI-
26、PH3601 (NiCr22Mo9Nb) Solution treated, forging De 200 mm EN 4380, Aerospace series Heat resisting alloy NI-PH3601 (NiCr22Mo9Nb) Solution treated Bar and section De 200 mm1)EN 4814, Aerospace series Flange couplings up to 21 000 kPa Technical specification Inch series EN 9100, Quality Management Syst
27、ems Requirements for Aviation, Space and Defence Organizations TR 4815, Aerospace series Flange couplings up to 21 000 kPa Design standard Inch series2)SAE AMS 5383, Nickel Alloy, Corrosion and Heat Resistant, Investment Castings, 52.5Ni 19Cr 3.0Mo 5.1(Cb+Ta) 0.90Ti 0.60Al 18Fe, Vacuum Melted, Homog
28、enization and Solution Heat Treated3)3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Table 1. Dimensions and tolerances are in millimetres, except otherwise specified. 3.2 Material and surface treatment SAE AMS 5383 or EN 4380 or EN 3671 or EN 4379. 1)Publi
29、shed 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/)3)Published by: SAE National (US) Society of Automotive Engineers.(http:/www.sae.org/)BS E
30、N 4808:2017EN 4808:2017 (E) 5 Surface finish: Passivation EN 2516. Key 1 3D view (for information only) 2 Constant thickness 3 Marking of identity block 4 Marking of manufacturers monogram Figure 1BS EN 4808:2017EN4808:2017(E)6Table1DimensionalcodeaNominaldiameterWall thicknessoftubeABDEFGHJLMNR1x1x
31、2VMassbinchmmnull0,05+0,10null0,20null0,10null0,65minmaxminmaxminnull0,20null0,1null0,8null0,125A10.62515,8750,71128,5031,3019,6013,8027,952,803,053,003,9011,6019,601,03,30,6250,200,10EN4549A01067,5B100,889EN4549B010A12.75019,0500,71131,7036,8523,6017,0030,152,803,053,204,2014,9023,601,03,30,6250,20
32、0,10EN4549A01297,1B120,889EN4549B012A161.00025,4000,71138,0540,1529,8023,0033,152,803,053,604,4020,8029,801,03,30,6250,200,10EN4549A016148,5B160,889EN4549B016A201.25031,7500,71146,8051,3036,3028,9038,753,053,204,004,9026,7536,301,03,30,6250,200,10EN4549A020251,4B200,889EN4549B020A241.50038,1000,7115
33、3,9054,6542,4034,8543,553,303,454,405,4031,5042,401,03,30,6250,200,10EN4549A024348,2B240,889EN4549B024A281.75044,4500,71160,3059,9549,3040,8047,853,553,704,805,7037,1049,301,03,30,6250,200,10EN4549A028470,7B280,889EN4549B028A322.00050,8000,71169,8065,4055,6046,7552,153,553,705,206,1042,5055,601,03,3
34、0,6250,200,10EN4549A032625,1B320,889EN4549B032aThiscode iscomposedwiththe followingelements:Tube wallthicknesscode (A:0,711mm;B:0,889mm);Nominaldiametergiven in 16thofincheswithin2digit.bMassquotedinkg/1000parts.BS EN 4808:2017EN4808:2017(E)6Table1DimensionalcodeaNominaldiameterWall thicknessoftubeA
35、BDEFGHJLMNR1x1x2VMassbinchmmnull0,05+0,10null0,20null0,10null0,65minmaxminmaxminnull0,20null0,1null0,8null0,125A10.62515,8750,71128,5031,3019,6013,8027,952,803,053,003,9011,6019,601,03,30,6250,200,10EN4549A01067,5B100,889EN4549B010A12.75019,0500,71131,7036,8523,6017,0030,152,803,053,204,2014,9023,60
36、1,03,30,6250,200,10EN4549A01297,1B120,889EN4549B012A161.00025,4000,71138,0540,1529,8023,0033,152,803,053,604,4020,8029,801,03,30,6250,200,10EN4549A016148,5B160,889EN4549B016A201.25031,7500,71146,8051,3036,3028,9038,753,053,204,004,9026,7536,301,03,30,6250,200,10EN4549A020251,4B200,889EN4549B020A241.
37、50038,1000,71153,9054,6542,4034,8543,553,303,454,405,4031,5042,401,03,30,6250,200,10EN4549A024348,2B240,889EN4549B024A281.75044,4500,71160,3059,9549,3040,8047,853,553,704,805,7037,1049,301,03,30,6250,200,10EN4549A028470,7B280,889EN4549B028A322.00050,8000,71169,8065,4055,6046,7552,153,553,705,206,104
38、2,5055,601,03,30,6250,200,10EN4549A032625,1B320,889EN4549B032aThiscode iscomposedwiththe followingelements:Tube wallthicknesscode (A:0,711mm;B:0,889mm);Nominaldiametergiven in 16thofincheswithin2digit.bMassquotedinkg/1000parts.EN 4808:2017 (E) 7 4 Designation EXAMPLE NOTE If necessary, the code I900
39、5 shall be placed between the description block and the identity block. 5 Identification marking EN 2424, category A, as indicated on Figure 1. 6 Technical specification See EN 4814. 7 Quality Assurance Approval of the manufactures. See EN 9100. BS EN 4808:2017This page deliberately left blankThis p
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