1、BSI Standards PublicationBS EN 3635:2014Aerospace series Weld lip Geometrical configurationBS EN 3635:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 3635:2014. Itsupersedes BS EN 3635:2008 which is withdrawn.The UK participation in its preparation was entr
2、usted to TechnicalCommittee ACE/12, Aerospace fasteners and fastening systems.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correct
3、application. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 84542 0ICS 49.080Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Commi
4、ttee on 31 October 2014.Amendments issued since publicationDate Text affectedBS EN 3635:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 3635 October 2014 ICS 49.080 Supersedes EN 3635:2008English Version Aerospace series - Weld lip - Geometrical configuration Srie arospatiale - Embout soude
5、r - Configuration gomtrique Luft- und Raumfahrt - Rohranschlussende geschweit - Masse This European Standard was approved by CEN on 4 January 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of
6、 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, German)
7、. 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, C
8、yprus, 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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
9、Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 363
10、5:2014 EBS EN 3635:2014EN 3635:2014 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Fitting dimensions .4 4 Tube end geometry 6 5 Designation 6 6 Indications on drawings 7 Annex A (informative) Standard evolution form .8 BS EN 3635:2014EN 3635:2014 (E) 3 Foreword This document (E
11、N 3635:2014) 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 Standard has received the approval of the National Associations and the Official Ser
12、vices of the member countries of ASD, prior to its presentation to CEN. This document supersedes EN 3635:2008. 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 April 2015, and conflicting national
13、standards shall be withdrawn at the latest by April 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC
14、 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, France, Germany, Greece, Hungary, Icela
15、nd, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 3635:2014EN 3635:2014 (E) 4 1 Scope The purpose of this European Standard is to specify the dimensions and to
16、lerances for orbital-welding fittings, intended for stainless steel fluid pipes to EN 3717. 2 Normative references The 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
17、. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 3717, Aerospace series Tubes Selection for engines fluid systems 3 Fitting dimensions See Figure 1 and Table 1. Key 1 Break edges 0,1 max. Figure 1 1,6 BS EN 3635:2014EN 3635:2014 (E) 5 Tab
18、le 1 Dimensions Dimensions in millimetres Diameter code Tube outside diameter (e) a A B D S T W h12 + 0,1 0 0 0,1 + 0,1 0 + 0,1 0 0 0,1 0 0,1 060 6 0,6 0,8 1 4,7 4,3 3,9 6 6 0,4 1 0,4 080 8 0,6 0,8 1 6,7 6,3 5,9 8 8 0,6 1,4 100 10 0,6 0,8 1 8,7 8,3 7,9 10 10 120 12 0,6 0,8 1 10,7 10,3 9,9 12 12 140
19、14 0,6 0,8 1 12,7 12,3 11,9 14 14 160 16 0,6 0,8 1 14,7 14,3 13,9 16 16 180 18 0,6 0,8 1 16,7 16,3 15,9 18 18 200 20 0,6 0,8 1 18,7 18,3 17,9 20 20 220 22 0,6 0,8 1 20,7 20,3 19,9 22 22 250 25 0,6 0,8 1 23,7 23,3 22,9 25 25 280 28 0,6 0,8 1 26,7 26,3 25,9 28 28 320 32 0,6 0,8 1 30,7 30,3 29,9 32 32
20、aNominal wall thickness of the tube. BS EN 3635:2014EN 3635:2014 (E) 6 4 Tube end geometry See Figure 2 and Table 2. Key 1 Break edges 0,15 max. 2 tube aNominal wall thickness of the tube Figure 2 Table 2 Diameter code e 060 0,6 080 0,8 100 1 5 Designation EXAMPLE Description block Welded fitting Id
21、entity block EN3635-060-080 Number of EN standard Diameter code (see Table 1) Thickness code (see Table 2) BS EN 3635:2014EN 3635:2014 (E) 7 6 Indications on drawings EXAMPLE See Figure 3. Key 1 Welded fitting EN 3635-160-080 Figure 3 BS EN 3635:2014EN 3635:2014 (E) 8 Annex A (informative) Standard
22、evolution form MODIFICATION REASON AND VALIDATION Page 3: drawing Clause 3, internal radius of the welding Before: 0,5 mm After: 0,15 mm Radius back to previous prEN value Short radius necessary to allow fitting of facing pipe. Page 5: header of second column of Table1: Before: Tube h12 After: Tube
23、outside diameter h12 Precision Page 5: footnote “a” of Table1: Before: Nominal thickness of the tube After: Nominal wall thickness of the tube Precision Page 6: paragraph 4, key “a”: Before: Nominal thickness of the tube After: Nominal wall thickness of the tube Precision Page 6: Table 2: Before: Th
24、ickness code After : Diameter code Correction This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards and other standardization pro
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