EN 2656:2001
(Main)Aerospace series - Pipe coupling - Coupling end, welded - Geometric configuration
Aerospace series - Pipe coupling - Coupling end, welded - Geometric configuration
This standard specifies the dimensions of welded coupling ends for pipe couplings for aerospace applications.
Luft- und Raumfahrt - Rohrverschraubung - Anschweißzapfen - Konstruktionsblatt
Diese Norm legt die Maße der Anschweißzapfen für Rohrverschraubungen zur Verwendung in der Luft- und Raumfahrt
fest.
Série aérospatiale - Système de raccordement - Raccord d'extrémité à souder - Configuration géométrique
La présente norme spécifie les dimensions des raccords d'extrémité à souder pour les systèmes de raccordements
pour applications aérospatiales.
Aerospace series - Pipe coupling - Coupling end, welded - Geometric configuration
General Information
Overview
EN 2656:2001 is a European standard developed by the European Committee for Standardization (CEN) that defines the geometric configuration and precise dimensions of welded coupling ends for pipe couplings specifically used in aerospace applications. This standard ensures uniformity and interoperability in aerospace fluid systems by detailing dimensional requirements for welded pipe coupling ends, which are critical in maintaining structural integrity and safety under aerospace operating conditions.
The standard applies to welded coupling ends on pipe couplings, emphasizing dimensional accuracy to support reliable fluid system connections in the aerospace industry. EN 2656:2001 was prepared under the auspices of the European Association of Aerospace Manufacturers (AECMA) and became mandatory for adoption by all CEN member countries, including major aerospace manufacturing nations such as Germany, France, the United Kingdom, and Italy.
Key Topics
Scope and Purpose
EN 2656:2001 specifies the dimensions for welded coupling ends of pipe couplings intended for aerospace fluid systems. By standardizing these dimensions, the document facilitates compatible component design, manufacturing, and quality assurance.Dimensional Specifications
The standard includes comprehensive tables and figures that list nominal sizes, wall thicknesses, pressure ratings, and tolerance limits in millimeters. This geometrical data ensures that pipe coupling ends meet precise measurement standards for aerospace use.Material and Configuration Guidelines
Although primarily focused on dimensional data, EN 2656:2001 aligns with aerospace quality requirements ensuring that welded components maintain structural integrity and comply with strict aerospace safety standards.Designation and Coding
The document provides a coding system for coupling end specifications, facilitating clear communication and classification within manufacturing and aerospace procurement processes.
Applications
Aerospace Fluid Systems
EN 2656:2001 plays a critical role in defining welded pipe coupling interfaces for aerospace hydraulic and pneumatic systems, used in aircraft, spacecraft, and related aerospace vehicles.Manufacturing and Quality Control
Aerospace manufacturers adopt this standard to ensure that welded coupling ends on pipes fit precisely within system assemblies, maintaining safety, pressure resistance, and reliability.Component Interchangeability
The standard supports interoperability between suppliers and manufacturers by standardizing coupling end dimensions, which reduces mismatch risk during installation and maintenance.Aerospace Maintenance and Repairs
Precise geometric configuration requirements aid aerospace engineers and maintenance personnel in replacing or repairing pipe coupling components with compliant parts, ensuring system integrity.
Related Standards
AECMA Standards
EN 2656:2001 forms part of the broader body of aerospace fluid system component standards developed by the European Association of Aerospace Manufacturers (AECMA), focusing on harmonized aerospace manufacturing practices.Fluid System Standards
Related standards cover aerospace fluid fittings, connectors, and tubing materials to complement EN 2656:2001’s geometric specifications for welded pipe coupling ends.Welding and Material Standards
Standards for welding quality, materials strength, and pressure ratings often accompany EN 2656:2001 to guarantee full compliance in aerospace system component manufacturing.
Summary
EN 2656:2001 defines the geometric configuration and dimensional requirements for welded coupling ends on pipe couplings in aerospace applications. By providing exact measurements and tolerance limits, this standard enhances safety, reliability, and compatibility in aerospace fluid systems. Aerospace manufacturers, system designers, and maintenance teams rely on EN 2656:2001 to ensure that welded pipe couplings meet stringent aerospace requirements relating to size, pressure capability, and structural integrity. Adherence to this standard supports seamless component integration, reduces manufacturing errors, and facilitates global aerospace supply chain interoperability.
Keywords: EN 2656:2001, aerospace pipe couplings, welded coupling ends, geometric configuration, aerospace fluid systems, pipe coupling dimensions, aerospace standards, AECMA standards, pipe fitting specifications, aerospace manufacturing
Frequently Asked Questions
EN 2656:2001 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Pipe coupling - Coupling end, welded - Geometric configuration". This standard covers: This standard specifies the dimensions of welded coupling ends for pipe couplings for aerospace applications.
This standard specifies the dimensions of welded coupling ends for pipe couplings for aerospace applications.
EN 2656:2001 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 - Coupling end, welded - Geometric configurationLuft- und Raumfahrt - Rohrverschraubung - Anschweißzapfen - KonstruktionsblattSérie aérospatiale - Systeme de raccordement - Raccord d'extrémité a souder - Configuration géométriqueAerospace series - Pipe coupling - Coupling end, welded - Geometric configuration49.080Aerospace fluid systems and componentsICS:Ta slovenski standard je istoveten z:EN 2656:2001SIST EN 2656:2002en01-januar-2002SIST EN 2656:2002SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 2656September 2001ICS 49.080English versionAerospace series - Pipe coupling - Coupling end, welded -Geometric configurationSérie aérospatiale - Système de raccordement - Raccordd'extrémité à souder - Configuration géométriqueLuft- und Raumfahrt - Rohrverschraubung -Anschweißzapfen - KonstruktionsblattThis European Standard was approved by CEN on 20 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 2656:2001 ESIST EN 2656:2002
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