1、BRITISH STANDARDBS EN 3717:2008Aerospace series Tubes Selection for engines fluid systemsICS 49.080g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58B
2、S EN 3717:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 May 2008 BSI 2008ISBN 978 0 580 62886 3National forewordThis British Standard is the UK implementation of EN 3717:2008.The UK participation in its preparation was entrusted to T
3、echnical 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 of a contract. Users are responsible for its correct applic
4、ation.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 3717April 2008ICS 49.080English VersionAerospace series - Tubes - Selection for engines fluid systemsSri
5、e arospatiale - Tubes - Slection pour circuits defluide pour application moteursLuft- und Raumfahrt - Rohre fr Fluid-Systeme anTriebwerken - AuswahlThis European Standard was approved by CEN on 21 December 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate
6、 the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists
7、in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies
8、of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN
9、COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3717:2008: E2 Contents Page Foreword
10、3 1 Scope 4 2 Normative references 4 3 Dimensions.4 BS EN 3717:20083 Foreword This document (EN 3717:2008) 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 Associat
11、ion, 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,
12、 at the latest by October 2008, and conflicting national standards shall be withdrawn at the latest by October 2008. 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
13、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 Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hun
14、gary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 3717:20084 1 Scope The present standard gives a selection of external diameters and thicknesses of tubes a
15、ccording to ISO 2964. These tubes shall be used for conveying fluids such as kerosene, oil, air, etc. for engine application. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For un
16、dated references, the latest edition of the referenced document (including any amendments) applies. ISO 2964, Aerospace Tubing Outside diameters and thicknesses Metric dimensions. 3 Dimensions Dimensions are in millimetres. Diameter-thickness combinations of tubes shall be chosen from Table 1. Table
17、 1 Mass a kg/m Thicknesses Stainless steel Titanium alloy Outside diameter 0,6 0,8 1 0,6 0,8 1 4 0,050 0,063 0,074 0,029 0,036 0,042 6 0,080 0,103 0,123 0,046 0,059 0,071 8 0,109 0,142 0,173 0,062 0,081 0,099 10 0,139 0,182 0,222 0,080 0,104 0,127 12 0,169 0,221 0,271 0,097 0,127 0,155 14 0,198 0,26
18、0 0,321 0,114 0,149 0,184 16 0,228 0,300 0,370 0,131 0,172 0,212 18 0,257 0,339 0,419 0,147 0,194 0,240 20 0,287 0,379 0,469 0,165 0,217 0,269 25 0,477 0,592 0,273 0,3332 0,615 0,765 0,35 0,439 40 0,773 0,962 0,443 0,551 45 0,872 1,085 0,500 0,622 50 0,970 1,208 0,556 0,692 aThe masses are given onl
19、y for information. They are calculated on the basis of a density of 7,85 kg/dm3for stainless steel and 4,5 kg/dm3for titanium alloys. BS EN 3717:2008blankBS EN 3717:2008BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparin
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