1、Aerospace series - Flange couplings - Swivel flange with 4 fastening holes, in nickel alloy - Inch seriesBS EN 4804:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4804 June 2017 ICS 49.080 English Version Aero
2、space series - Flange couplings - Swivel flange with 4 fastening holes, in nickel alloy - Inch series Srie arospatiale - Raccordement bride - Brides flottantes avec 4 trous de fixation, en alliage de nickel -Srie en inches Luft- und Raumfahrt - Rohrverschraubung mit Flanschen - Lose Flansche mit 4 B
3、efestigungslchern, aus Nickellegierung - Inch-Reihe This European 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
4、 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 in any other languag
5、e 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 Republic, Denmark,
6、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 Kingdom. EUROPEAN COMMIT
7、TEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION 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 4804:2017 ENational forewor
8、dThis British Standard is the UK implementation of EN 4804:2017.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 public
9、ation does not purport to include all the necessary 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 95335 4ICS 49.080Compliance with a British Standard cannot confer immunity fro
10、m legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 4804:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4804 June 2
11、017 ICS 49.080 English Version Aerospace series - Flange couplings - Swivel flange with 4 fastening holes, in nickel alloy - Inch series Srie arospatiale - Raccordement bride - Brides flottantes avec 4 trous de fixation, en alliage de nickel -Srie en inches Luft- und Raumfahrt - Rohrverschraubung mi
12、t Flanschen - Lose Flansche mit 4 Befestigungslchern, aus Nickellegierung - Inch-Reihe This European 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
13、 of a national 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, Germ
14、an). A version 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
15、, 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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey
16、and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION 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.
17、 No. EN 4804:2017 EBS EN 4804:2017EN 4804:2017 (E) 2 Contents Page European foreword . 3 1 Scope . 4 2 Normative references . 4 3 Required characteristics . 4 4 Designation . 6 5 Identification marking . 6 6 Technical specification . 6 7 Quality Assurance. 6 BS EN 4804:2017EN 4804:2017 (E) 3 Europea
18、n foreword This document (EN 4804:2017) 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 Association, this European Standard has received the approval of the Nation
19、al 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 the latest by December 2017, and conflicting national
20、standards shall be withdrawn at the latest by December 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 Re
21、gulations, 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, France, Germany, Greece, Hungary, Iceland, Ireland,
22、 Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4804:2017EN 4804:2017 (E) 4 1 Scope This European Standard specifies the characteristics of swivel flanges, 4 hol
23、es, for pipe couplings in nickel alloy for inch series aerospace applications. Nominal pressure: up to 21 000 kPa; depends on the 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 references The
24、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 applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2424, Ae
25、rospace series Marking of aerospace products EN 2516, Aerospace series Passivation of corrosion resisting 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 4376, Aerospace se
26、ries - Heat resisting alloy NiCr19Fe19Nb5Mo3 (2.4668) solution treated and precipitation treated - Bar and section, De 200 mm EN 4377, Aerospace series - Heat resisting alloy NiCr19Fe19Nb5Mo3 (2.4668) - Non heat treated - Forging stock - a or D 300 mm EN 4379, Aerospace series - Heat resisting alloy
27、 NI-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 Managemen
28、t Systems Requirements for Aviation, Space and Defense Organizations TR 4815, Aerospace series Flange couplings up to 21 000 kPa Design standard Inch series2)3 Required characteristics 3.1 Configuration Dimensions Tolerances Masses See Figure 1 and Table 2. Dimensions and tolerances are in millimetr
29、es, except otherwise specified. 3.2 Material and surface treatment Table 1 Material Code EN 4380 or EN 3671 or EN 4379 1 EN 4376 or EN 4377 2 1)Published as ASD-STAN Prestandard at the date of publication of this European Standard. (http:/www.asd-stan.org/) 2)Published as ASD-STAN Technical Report a
30、t the date of publication of this European Standard. (http:/www.asd-stan.org/) BS EN 4804:2017EN 4804:2017 (E) 5 Surface finish: Passivation EN 2516. Key 1 3D view (for information only) 2 4 holes 3 Marking 4 Alternative shape Figure 1 BS EN 4804:2017EN 4804:2017 (E) 6 Table 2 Dimensional codea Nomi
31、nal diameter A B C E F G H J K N P Massb inch mm null0,25 +0,15 0 null0,25 Theo. Theo. min max min max null0,25 +0,15 0 min max null0,5 10A .625 15,875 5,20 2,40 20,30 26,37 13,185 5,60 7,10 5,50 5,70 19,70 28,80 1400 1600 49,5 39,8 10B .625 15,875 5,20 2,40 20,30 28,30 14,15 5,60 7,10 7,10 7,30 22,
32、50 28,80 2130 2230 56,7 43,8 12A .750 19,050 5,20 2,40 24,40 29,36 14,68 5,60 7,10 5,50 5,70 21,20 32,00 2130 2230 54,2 43,9 12B .750 19,050 5,20 2,40 24,40 30,48 15,24 5,60 7,10 7,10 7,30 23,60 32,00 2130 2230 55,8 45,2 16A 1.000 25,400 5,20 2,40 30,70 33,32 16,66 5,60 7,10 5,50 5,70 23,20 38,35 14
33、00 1600 59,8 45,4 16B 1.000 25,400 5,20 2,40 30,70 35,92 17,96 5,60 7,10 7,10 7,30 27,20 38,35 2130 2230 63,5 53,4 20B 1.250 31,750 5,45 2,65 37,30 42,06 21,03 7,10 8,90 7,10 7,30 28,50 47,10 2130 2230 72,1 79,0 24B 1.500 38,100 6,00 2,95 42,90 46,02 23,01 7,10 8,90 7,10 7,30 30,50 54,20 1400 1600 8
34、1,2 87,5 28B 1.750 44,450 6,20 3,15 50,50 52,37 26,19 7,10 8,90 7,10 7,30 33,70 60,60 2130 2230 90,2 102,9 32C 2.000 50,800 6,20 3,15 56,90 60,33 30,17 7,10 8,90 8,60 8,90 38,60 70,10 2130 2230 101,5 118,7 aThis code is composed with the following elements: Nominal diameter given in 16thof inches wi
35、thin 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 Designation EXAMPLE NOTE If necessary, the code I9005 shall be placed between the description block and the identity block. 5 Identification marking EN
36、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 4804:2017This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publicati
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