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welded end with thrust wire nut49.080Aerospace fluid systems and componentsICS:Ta slovenski standard je istoveten z:EN 4020:2009SIST EN 4020:2009en01-september-2009SIST EN 4020:2009SLOVENSKI
STANDARDSIST EN 4020:20041DGRPHãþD
SIST EN 4020:2009
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4020
July 2009 ICS 49.080 Supersedes EN 4020:2001 English Version
Aerospace series - Pipe coupling 8°30' in titanium alloy - Elbows 90°,
welded end with thrust wire nut
Série aérospatiale - Système de raccordement 8°30' en alliage de titane - Raccords coudés à 90° à souder, avec écrou à jonc
Luft- und Raumfahrt - Rohrverschraubung 8°30' aus Titanlegierung - Winkelverschraubungen 90° mit Anschweißende, mit Mutter mit Schubdraht This European Standard was approved by CEN on 12 March 2009.
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 national standards may be obtained on application to the CEN 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 language and notified to the CEN Management Centre has the same status as the official versions.
CEN members are the national standards bodies 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 COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2009 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4020:2009: ESIST EN 4020:2009
EN 4020:2009 (E) 2 Contents Page Foreword .3 1 Scope .4 2 Normative references .4 3 Required characteristics .5 3.1 Configuration — Dimensions — Mass.5 3.2 Surface roughness .5 3.3 Materials .5 3.4 Surface treatment .5 3.5 Internal surface finishing .5 4 Designation .8 5 Marking .8 6 Technical specification .8 7 Quality assurance .8
SIST EN 4020:2009
EN 4020:2009 (E) 3 Foreword This document (EN 4020:2009) 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 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 January 2010, and conflicting national standards shall be withdrawn at the latest by January 2010. This document supersedes EN 4020:2001. 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
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