EN 3269:2001
(Main)Aerospace series - Pipe coupling 8°30' in titanium alloy - Ferrules, blind, with dynamic beam seal end
Aerospace series - Pipe coupling 8°30' in titanium alloy - Ferrules, blind, with dynamic beam seal end
This standard specifies the characteristics of blind ferrules with dynamic beam seal end for pipe couplings 8°30', in titanium alloy, for aerospace applications.
Luft- und Raumfahrt - Rohrverschraubung 8°30' aus Titanlegierung - Blindstutzen mit Dichtlippe
Diese Norm legt die Eigenschaften von Blindstutzen mit Dichtlippe für Rohrverschraubungen 8°30', aus Titanle-gierung, zur Verwendung in der Luft- und Raumfahrt fest.
Série aérospatiale - Système de raccordement 8°30' en alliage de titane - Obturateurs avec joint à lèvre
La présente norme spécifie les caractéristiques requises des obturateurs avec joint à lèvre, pour les systèmes de raccorde-ment 8°30', en alliage de titane, pour applications aérospatiales.
Aerospace series - Pipe coupling 8°30' in titanium alloy - Ferrules, blind, with dynamic beam seal end
General Information
Overview
EN 3269:2001 is a European standard developed by CEN that specifies the characteristics of blind ferrules with dynamic beam seal ends, designed for 8°30' pipe couplings made from titanium alloy. This standard is part of the aerospace series and addresses critical requirements for pipe couplings used in aerospace fluid systems. It ensures compatibility, reliability, and performance in demanding aerospace environments.
This standard applies specifically to blind ferrules-the sealing components without flow passages-to be used with titanium alloy pipe couplings featuring an 8°30' angle configuration. The focus on titanium alloy highlights the importance of lightweight, high-strength materials in aerospace applications.
Key Topics
Blind Ferrules with Dynamic Beam Seal End
The standard defines the design and functional parameters for blind ferrules that utilize dynamic beam seals, providing excellent sealing performance under variable pressure and temperature conditions.Titanium Alloy Material Specifications
Compliant with EN 3311 and EN 3314, the ferrules are manufactured from titanium alloy (TI-P64001), known for its high strength-to-weight ratio, corrosion resistance, and suitability for aerospace fluid systems.Dimensional and Geometric Requirements
The ferrules conform to precise dimensions and configurations outlined in the standard, with detailed tables specifying measurements such as diameter, length, and groove sizes (referencing EN 3426 for groove dimensions and EN 3272 for ferrule configurations).Surface Finish and Marking
Surface roughness requirements ensure optimal sealing and mechanical performance, while marking guidelines follow EN 2424 to guarantee traceability and compliance with aerospace product identification standards.Normative References
EN 3269 integrates requirements from complementary aerospace standards such as EN 3275 (technical specifications for pipe couplings), EN 2424 (product marking), and EN 3311/EN 3314 (titanium alloy bar specifications).
Applications
Aerospace Fluid Systems
EN 3269 blind ferrules are designed for use in high-performance aerospace hydraulic and fuel lines, where secure, leak-tight pipe coupling assemblies are critical for safety and efficiency.High-Pressure Environments
These ferrules are suitable for pipe couplings operating up to pressures of 28,000 kPa, ensuring durability and reliability in extreme aerospace conditions.Lightweight and Corrosion-Resistant Piping
The use of titanium alloy enables weight reduction in aircraft systems without compromising strength or corrosion resistance, aligning with aerospace industry trends toward lightweight materials.Maintenance and Replacement Components
Standardized dimensions and marking allow for easier identification and interchangeability during maintenance and assembly operations in aerospace manufacturing and repair.
Related Standards
EN 3275: Aerospace series pipe coupling 8°30' – Dynamic beam seal technical specifications, providing detailed performance and construction requirements for compatible ferrules and couplings.
EN 2424: Aerospace product marking standards, ensuring consistent identification of components across the aerospace supply chain.
EN 3311/EN 3314: Specifications for titanium alloy bars (annealed and solution treated), defining the material properties for ferrule manufacturing.
EN 3426: Groove dimensions for axial mounting external type retaining rings, referenced for groove design on ferrules.
Practical Benefits
Ensures Safety and Reliability
Adherence to EN 3269 guarantees that aerospace pipe couplings with blind ferrules provide secure sealing under dynamic conditions, minimizing risk of leakage and system failure.Promotes Standardization
By defining consistent dimensions, materials, and marking, EN 3269 facilitates interoperability and quality control within the aerospace industry.Supports Lightweight Engineering
The focus on titanium alloys aligns with industry demands for lightweight, high-strength components, contributing to overall aircraft performance and fuel efficiency.Simplifies Quality Assurance
Clear technical and marking requirements aid manufacturers and inspectors in verifying compliance and maintaining traceability of components.
Adopting the EN 3269:2001 standard ensures that aerospace manufacturers and suppliers meet stringent quality and safety benchmarks for pipe coupling components, enabling reliable and efficient aerospace fluid systems worldwide.
Frequently Asked Questions
EN 3269:2001 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Pipe coupling 8°30' in titanium alloy - Ferrules, blind, with dynamic beam seal end". This standard covers: This standard specifies the characteristics of blind ferrules with dynamic beam seal end for pipe couplings 8°30', in titanium alloy, for aerospace applications.
This standard specifies the characteristics of blind ferrules with dynamic beam seal end for pipe couplings 8°30', in titanium alloy, for aerospace applications.
EN 3269:2001 is classified under the following ICS (International Classification for Standards) categories: 49.080 - Aerospace fluid systems and components. The ICS classification helps identify the subject area and facilitates finding related standards.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Pipe coupling 8°30' in titanium alloy - Ferrules, blind, with dynamic beam seal endLuft- und Raumfahrt - Rohrverschraubung 8°30' aus Titanlegierung - Blindstutzen mit DichtlippeSérie aérospatiale - Systeme de raccordement 8°30' en alliage de titane - Obturateurs avec joint a levreAerospace series - Pipe coupling 8°30' in titanium alloy - Ferrules, blind, with dynamic beam seal end49.080Aerospace fluid systems and componentsICS:Ta slovenski standard je istoveten z:EN 3269:2001SIST EN 3269:2004en01-maj-2004SIST EN 3269:2004SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 3269October 2001ICS 49.080English versionAerospace series - Pipe coupling 8°30' in titanium alloy -Ferrules, blind, with dynamic beam seal endSérie aérospatiale - Système de raccordement 8°30' enalliage de titane - Obturateurs avec joint à lèvreLuft- und Raumfahrt - Rohrverschraubung 8°30' ausTitanlegierung - Blindstutzen mit DichtlippeThis European Standard was approved by CEN on 6 January 2001.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,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3269:2001 ESIST EN 3269:2004
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