Aerospace series - Pipe coupling 8°30' in titanium alloy - Elbows 90° welded ends

This standard specifies the characteristics of elbows 90 , welded ends, for pipe couplings 8 30', in titanium alloy, for
aerospace applications.
Nominal pressure: up to 28 000 kPa
Temperature range:   55  C to 135  C

Luft- und Raumfahrt - Rohrverschraubung 8°30' aus Titanlegierung - Winkelverschraubungen 90° mit Anschweißenden

Diese Norm legt die Eigenschaften von Winkelverschraubungen 90° mit Anschweißenden, für Rohrverschraubungen 8°30',
aus Titanlegierung, zur Verwendung in der Luft- und Raumfahrt fest.
Nenndruck: bis 28 000 kPa
Temperaturbereich:   55 °C bis 135 °C

Série aérospatiale - Systeme de raccordement 8°30' en alliage de titane - Raccords coudés a 90° doubles, a souder

La présente norme spécifie les caractéristiques des raccords coudés à 90° à souder, doubles, pour les systèmes de
raccordement 8°30', en alliage de titane, pour applications aérospatiales.
Pression nominale: jusqu'à 28 000 kPa
Plage de température:   55 °C à 135 °C

Aerospace series - Pipe coupling 8°30' in titanium alloy - Elbows 90° welded ends

General Information

Status
Published
Publication Date
30-Apr-2004
Technical Committee
I08 - Imaginarni 08
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-May-2004
Due Date
01-May-2004
Completion Date
01-May-2004

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Relations

Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026

Overview

SIST EN 4183:2004 is a European standard that defines the technical characteristics for 90° elbows with welded ends, specifically designed for 8°30' pipe couplings made from titanium alloy. This standard is part of the aerospace series, focusing on fluid systems and components operating under demanding conditions. The standard covers configurations intended for aerospace applications, addressing nominal pressures up to 28,000 kPa and service temperatures ranging from -55 °C to 135 °C.

This document ensures high performance, reliability, and compatibility of titanium pipe couplings used in critical aerospace fluid delivery systems.

Key Topics

  • Elbow Design: Specifies details for 90° elbows with welded ends corresponding to 8°30' pipe coupling requirements.
  • Titanium Alloy Requirements: Covers materials, including requirements for various forms and treatments of titanium alloys per referenced standards.
  • Dimensional Specifications: Sets out configuration, dimensions, and allowable tolerances, ensuring interchangeability and secure system integration.
  • Surface Finish and Deburring: Details finishing requirements, including surface roughness and internal radiusing, with a strict prohibition on hand deburring to maintain performance and prevent contamination.
  • Pressure and Temperature Ratings: Establishes suitability for high operating pressures (up to 28,000 kPa) and wide temperature ranges, as required in aerospace hydraulic and pneumatic systems.
  • Marking and Traceability: Requires standard marking practices for easy identification and traceability in aerospace inventories.

Applications

SIST EN 4183:2004 is most relevant for manufacturers, suppliers, system integrators, and maintenance organizations within the aerospace industry. Typical applications include:

  • Aerospace Hydraulic Systems: Ensures fluid-tight, high-strength coupling for hydraulic circuits in aircraft.
  • Fuel and Pneumatic Lines: Provides reliable connections for fuel, lubrication, and air systems where pressure and temperature performance is critical.
  • Spacecraft and Satellite Fluid Systems: Supports stringent material and assembly requirements for space applications.
  • Maintenance and Repair Operations (MRO): Facilitates procurement of standard, interchangeable elbow fittings, streamlining maintenance workflows and spare parts management.

These certified elbows help guarantee system safety, weight savings, and corrosion resistance suited for severe aerospace environments.

Related Standards

To ensure full compliance, SIST EN 4183:2004 refers to several related European standards for aerospace pipes, couplings, and materials. Key related documents include:

  • EN 2424: Aerospace series - Marking of aerospace products
  • EN 2656: Pipe coupling - Coupling ends, welded - Geometric configuration
  • EN 3275: Pipe coupling 8°30' up to 28,000 kPa - Dynamic beam seal - Metric series - Technical specification
  • EN 3311/EN 3314: Titanium alloy TI-P64001 - Material specifications for bars used in machining
  • EN 3312/EN 3315: Titanium alloy TI-P64001 - Specifications for forgings

Referencing these standards ensures harmonized quality and performance across interchangeable parts and assemblies throughout European and global aerospace sectors.


Keywords: SIST EN 4183:2004, aerospace pipe coupling, titanium alloy elbows, welded ends, 90 degree elbow, high pressure fittings, aerospace standards, European standard, aerospace fluid systems, titanium pipe fittings

For enhanced system integrity and regulatory compliance, adoption of SIST EN 4183:2004 streamlines the design, production, and maintenance of critical aerospace piping systems using titanium alloy elbows with welded ends.

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Frequently Asked Questions

SIST EN 4183:2004 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Pipe coupling 8°30' in titanium alloy - Elbows 90° welded ends". This standard covers: This standard specifies the characteristics of elbows 90 , welded ends, for pipe couplings 8 30', in titanium alloy, for aerospace applications. Nominal pressure: up to 28 000 kPa Temperature range: 55 C to 135 C

This standard specifies the characteristics of elbows 90 , welded ends, for pipe couplings 8 30', in titanium alloy, for aerospace applications. Nominal pressure: up to 28 000 kPa Temperature range: 55 C to 135 C

SIST EN 4183:2004 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.

SIST EN 4183:2004 has the following relationships with other standards: It is inter standard links to SIST EN 2656:2002, SIST EN 3311:2024, SIST EN 3312:2012, SIST EN 2424:2008, SIST EN 3275:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

SIST EN 4183:2004 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

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 - Elbows 90° welded endsLuft- und Raumfahrt - Rohrverschraubung 8°30' aus Titanlegierung - Winkelverschraubungen 90° mit AnschweißendenSérie aérospatiale - Systeme de raccordement 8°30' en alliage de titane - Raccords coudés a 90° doubles, a souderAerospace series - Pipe coupling 8°30' in titanium alloy - Elbows 90° welded ends49.080Aerospace fluid systems and componentsICS:Ta slovenski standard je istoveten z:EN 4183:2001SIST EN 4183:2004en01-maj-2004SIST EN 4183:2004SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 4183October 2001ICS 49.080English versionAerospace series - Pipe coupling 8°30' in titanium alloy - Elbows90° welded endsSérie aérospatiale - Système de raccordement 8°30' enalliage de titane - Raccords coudés à 90° doubles, àsouderLuft- und Raumfahrt - Rohrverschraubung 8°30' ausTitanlegierung - Winkelverschraubungen 90° mitAnschweißendenThis European Standard was approved by CEN on 28 February 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 4183:2001 ESIST EN 4183:2004
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