1、Aerospace series - Flange couplings - Weld coupling, straight, in nickel alloy - Inch seriesBS EN 4806:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4806 June 2017 ICS 49.080 English Version Aerospace series
2、- Flange couplings - Weld coupling, straight, in nickel alloy - Inch series Srie arospatiale - Raccordement bride - Raccord souder, droit, en alliage de nickel - Srie en inches Luft- und Raumfahrt - Rohrverschraubung mit Flanschen - Schweistutzen, gerade, aus Nickellegierung - Inch-Reihe This Europe
3、an 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 co
4、ncerning 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
5、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
6、, 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 EUROPISC
7、HES 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 4806:2017 ENational forewordThis British Standard is the UK implementation of EN 4806:2017
8、.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 provisions
9、of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 95337 8ICS 49.080Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under t
10、he authority of the Standards Policy and Strategy Committee on 31 August 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 4806:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 4806 June 2017 ICS 49.080 English Version Aerospace series - Flange coupli
11、ngs - Weld coupling, straight, in nickel alloy - Inch series Srie arospatiale - Raccordement bride - Raccord souder, droit, en alliage de nickel - Srie en inches Luft- und Raumfahrt - Rohrverschraubung mit Flanschen - Schweistutzen, gerade, aus Nickellegierung - Inch-Reihe This European Standard was
12、 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 concerning such n
13、ational 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 into its own la
14、nguage 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, Germany, Gree
15、ce, 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 EUROPISCHES KOMITEE FR
16、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 4806:2017 EBS EN 4806:2017EN 4806:2017 (E) 2 Contents Page European foreword . 3 1 Scope . 4 2 Normative
17、references . 4 3 Required characteristics . 4 4 Designation . 6 5 Identification marking . 6 6 Technical specification . 6 7 Quality Assurance. 6 BS EN 4806:2017EN 4806:2017 (E) 3 European foreword This document (EN 4806:2017) has been prepared by the Aerospace and Defence Industries Association of
18、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 Services of the member countries of ASD, prior to its presentation to CEN. This
19、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 standards shall be withdrawn at the latest by December 2017. Attention is drawn to the possibility that some of t
20、he 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 this European S
21、tandard: 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, Serbia, Slovakia, S
22、lovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 4806:2017EN 4806:2017 (E) 4 1 Scope This European Standard specifies the characteristics of straight welded coupling in nickel alloy for swivel flange couplings for inch series aerospace applications. Nominal pressure: The par
23、ts 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, in who
24、le 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 Marking of a
25、erospace 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 4379, Aerospace series Heat resisting alloy NI-PH3601
26、 (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 Systems Re
27、quirements 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 1. Dimensions and tolerances are in millimetres, except o
28、therwise specified. 3.2 Material and surface treatment EN 4380 or EN 3671 or EN 4379. Surface 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) Published as ASD-STAN Technical Report at the date of pub
29、lication of this European Standard. (http:/www.asd-stan.org/) BS EN 4806:2017EN 4806:2017 (E) 5 Key 1 3D view (for information only) 2 Marking of identity block 3 Marking of manufacturers monogram Figure 1 Table 1 Dimensional codeaNominal diameter Wall thickness of tube A B D E F V Massbinch mm min
30、max +0,1 0 min max min max 0 0,4 A10 .625 15,875 0,711 28,45 28,60 14,38 12,45 12,95 2,80 3,05 19,70 EN4549A010 16,40 B10 0,889 13,95 EN4549B010 A12 .750 19,050 0,711 31,60 31,75 17,55 12,70 13,20 2,80 3,05 23,80 EN4549A012 19,00 B12 0,889 17,10 EN4549B012 A16 1.000 25,400 0,711 38,00 38,10 23,90 13
31、,20 14,20 2,80 3,05 30,20 EN4549A016 28,10 B16 0,889 23,45 EN4549B016 A20 1.250 31,750 0,711 46,70 46,85 30,25 13,70 14,20 3,05 3,20 36,50 EN4549A020 37,80 B20 0,889 29,80 EN4549B020 BS EN 4806:2017EN 4806:2017 (E) 6 Dimensional codeaNominal diameter Wall thickness of tube A B D E F V Massbinch mm m
32、in max +0,1 0 min max min max 0 0,4 A24 1.500 38,100 0,711 53,85 54,00 36,60 14,20 14,75 3,30 3,45 42,00 EN4549A024 47,10 B24 0,889 36,15 EN4549B024 A28 1.750 44,450 0,711 60,20 60,35 42,95 14,75 15,25 3,55 3,70 49,60 EN4549A028 59,20 B28 0,889 42,50 EN4549B028 A32 2.000 50,800 0,711 69,70 69,85 49,
33、30 14,75 15,25 3,55 3,70 56,00 EN4549A032 77,30 B32 0,889 48,90 EN4549B032 aThis code is composed with the following elements: Tube wall thickness code (A: 0,711 mm; B: 0,889 mm); Nominal diameter given in 16thof inches within 2 digit. bMass quoted in kg/1 000 parts. 4 Designation EXAMPLE NOTE If ne
34、cessary, the code I9005 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 4806:2017This page deliber
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