EN 3855:2002
(Main)Aerospace series - Pipe couplings, 60°, spherical in titanium alloy TI-P64001 - Caps
Aerospace series - Pipe couplings, 60°, spherical in titanium alloy TI-P64001 - Caps
This standard specifies the characteristics of caps for pipe couplings, 60°, spherical, in TI-P64001, for aerospace applications.
NOTE: Use with EN 3851, EN 3852 and EN 3853.
Luft- und Raumfahrt - Rohrverschraubungen mit Kugelbuchsen, 60 ° ,aus Titanlegierung TI-P64001- Kugelstopfen
Diese Norm legt die Eigenschaften von Kugelstopfen für Rohrverschraubungen 60° mit Kugelbuchsen, aus TI P64001, für Anwendungen in der Luft- und Raumfahrt fest.
ANMERKUNG Sie ist in Verbindung mit EN 3851, EN 3852 und EN 3853 anzuwenden.
Série aérospatiale - Raccords sphériques, 60°, en alliage de titane TI-P64001 - Bouchons
Aerospace series - Pipe couplings, 60°, spherical in titanium alloy TI-P64001 - Caps
General Information
EN 3855:2002 Overview
EN 3855:2002 is a European standard that defines specifications for caps used in aerospace pipe couplings with a 60° spherical design, manufactured from titanium alloy TI-P64001. Developed by the European Committee for Standardization (CEN), this standard is essential for ensuring consistent quality, dimensional accuracy, and material integrity in aerospace fluid systems. It is intended to be used alongside related standards EN 3851, EN 3852, and EN 3853, which cover corresponding components of the pipe coupling system.
This standard addresses the critical requirements for manufacturing caps that fit aerospace-grade pipe couplings, emphasizing dimensional tolerances, material quality, assembly procedures, and marking for traceability. It facilitates the integration of high-performance titanium alloy components in aerospace hydraulic and fluid systems.
Key Topics Covered
Material Requirements
Caps must be fabricated from titanium alloy TI-P64001 compliant with EN 2530, ensuring high strength and corrosion resistance essential for aerospace fluid systems.Dimensional Specifications
The standard details exact configuration, dimensions, and tolerances in millimeters, ensuring interchangeability and precision fit. Figures and tables define tube diameters, thread sizes, and radius specifications.Cap Assembly Instructions
Guidelines include staking procedures for securing swivel nuts as per EN 3851, recommendations to avoid material defects during assembly, and minimum push-out forces for mechanical integrity.Marking and Identification
Marking provisions follow EN 2424 requirements to ensure clear traceability of parts within aerospace inventory and maintenance systems.Quality Assurance
Compliance with EN 2000 assures manufacturers maintain rigorous quality control management systems for aerospace products, emphasizing product reliability and safety.
Applications
EN 3855:2002 caps are integral components in aerospace fluid system pipe couplings, where reliability, durability, and low weight are paramount. Key applications include:
Hydraulic Systems
Providing leak-proof seals in pipe couplings to maintain system pressure and prevent contamination.Fuel and Lubrication Lines
Ensuring secure connections in sensitive fluid circuits where titanium alloy offers corrosion resistance and strength.Aircraft and Spacecraft Manufacturing
Supporting the assembly of critical fluid conduits in both commercial and military aerospace platforms.Maintenance and Repair Operations
Standardized components simplify replacement, inspection, and certification of aerospace pipe fittings.
Related Standards
EN 3855:2002 is designed for use with the following complementary standards, which together define the entire pipe coupling system in titanium alloy TI-P64001:
- EN 3851 – Swivel nuts for 60° spherical pipe couplings in titanium alloy
- EN 3852 – Straight unions, welded and threaded, for 60° spherical pipe couplings
- EN 3853 – Straight unions, threaded, for 60° spherical pipe couplings
Additionally, normative references incorporated include:
- EN 2530 – Specifications for titanium alloy TI-P64001 bars (annealed condition)
- EN 2000 – Quality assurance for aerospace product manufacturing systems
- EN 2424 – Marking standards for aerospace products
- ISO 286-2 – System of limits and fits for dimensional tolerances
Keywords: aerospace pipe couplings, titanium alloy caps, 60-degree spherical pipe coupling, TI-P64001 standard, aerospace fluid systems, EN 3855 certification, pipe coupling quality assurance, aerospace pipe fittings, titanium aerospace components, pipe coupling manufacturer standards.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Pipe couplings, 60°, spherical in titanium alloy TI-P64001 - CapsLuft- und Raumfahrt - Rohrverschraubungen mit Kugelbuchsen, 60 ° ,aus Titanlegierung TI-P64001- KugelstopfenSérie aérospatiale - Raccords sphériques, 60°, en alliage de titane TI-P64001 - BouchonsAerospace series - Pipe couplings, 60°, spherical in titanium alloy TI-P64001 - Caps49.080Aerospace fluid systems and componentsICS:Ta slovenski standard je istoveten z:EN 3855:2002SIST EN 3855:2004en01-maj-2004SIST EN 3855:2004SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 3855November 2002ICS 49.080English versionAerospace series - Pipe couplings, 60°, spherical in titaniumalloy TI-P64001 - CapsSérie aérospatiale - Raccords sphériques, 60°, en alliagede titane TI-P64001 - BouchonsThis European Standard was approved by CEN on 19 August 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,Iceland, Ireland, Italy, Luxembourg, Malta, 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© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 3855:2002 ESIST EN 3855:2004
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Frequently Asked Questions
EN 3855:2002 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Pipe couplings, 60°, spherical in titanium alloy TI-P64001 - Caps". This standard covers: This standard specifies the characteristics of caps for pipe couplings, 60°, spherical, in TI-P64001, for aerospace applications. NOTE: Use with EN 3851, EN 3852 and EN 3853.
This standard specifies the characteristics of caps for pipe couplings, 60°, spherical, in TI-P64001, for aerospace applications. NOTE: Use with EN 3851, EN 3852 and EN 3853.
EN 3855:2002 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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