SIST EN 4553:2004

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Elbow 90° nipples, welded end - Inch seriesLuft- und Raumfahrt - Rohrverschraubung 37° mit Kugelbuchse, aus hochwarmfestem Stahl - Winkelverschraubungen 90° zum Anschweißen - Inch-ReiheSérie aérospatiale - Systeme de raccordement sphérique 37°, en acier résistant a chaud - Mamelons coudés a 90° a souder - Série inchAerospace series - Pipe coupling 37°, spherical, in heat resisting steel - Elbow 90° nipples, welded end - Inch series49.080Aerospace fluid systems and componentsICS:Ta slovenski standard je istoveten z:EN 4553:2003SIST EN 4553:2004en01-maj-2004SIST EN 4553:2004SLOVENSKI
STANDARD



SIST EN 4553:2004



EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 4553February 2003ICS 49.080English versionAerospace series - Pipe coupling 37°, spherical, in heat resistingsteel - Elbow 90° nipples, welded end - Inch seriesSérie aérospatiale - Système de raccordement sphérique37°, en acier résistant à chaud - Mamelons coudés à 90° àsouder - Série inchThis European Standard was approved by CEN on 14 September 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate 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 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovak Republic, Spain, Sweden, Switzerland andUnited Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4553:2003 ESIST EN 4553:2004



EN 4553:2003 (E)2ContentsForeword.31Scope.32Normative references.33Required characteristics.43.1Configuration – Dimensions – Tolerances – Masses.43.2Materials.44Designation.75Marking.76Technical specification.7SIST EN 4553:2004



EN 4553:2003 (E)3ForewordThis document EN 4553:2003 has been prepared by the European Association of Aerospace Manufacturers(AECMA).After enquiries and votes carried out in accordance with the rules of this Association, this Standard has receivedthe approval of the National Associations and the Official Services of the member countries of AECMA, prior to itspresentation to CEN.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by August 2003, and conflicting national standards shall be withdrawn at the latest byAugust 2003.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this Europea
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