UIC 644

Railway Coach Bogie Behavior Assessment

This standard specifies the behavior and performance requirements for Y25 bogie type coaching stock bogies, focusing on derailment resistance, curving performance, and stability characteristics. It provides test methods and acceptance criteria for evaluating bogie performance through simulation, calculation, and track testing to ensure safe operation across varying track geometries and speeds. Compliance verification is mandatory for coach manufacturers, bogie suppliers, and infrastructure operators to maintain interoperability and prevent accidents. Accredited testing ensures comprehensive evaluation against standardized criteria, reducing operational risks and supporting evidence-based vehicle certification.

What it measures

  • Derailment coefficient and safety margin against derailment
  • Lateral and vertical wheel loads on curves
  • Curve-climbing behavior and stability
  • Dynamic response to track irregularities and switches
  • Forces on bogie frame and guidance components
🇩🇪 DIN EN 14363 🇬🇧 BS EN 14363 🇫🇷 NF EN 14363 🇮🇹 UNI EN 14363 🇪🇸 UNE EN 14363 🇳🇱 NEN EN 14363
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Druck * > –0,12 bar bis negativer und positiver Überdruck p e > –0,01 bar bis > 0,03 bar bis + 3 more
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NF EN ISO 6892-1 (méthode DIN EN ISO 9016 DIN EN ISO 5178 ISO 11148-1
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DIN EN 12469 NF S 90-351 BS EN ISO 14644-1:2015 ISO 14644-3
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DAkkS D-PL-12049-01-02 Wismar, DE
IEC 61000-4-2: 2008 EN IEC 61000-4 IEC 61000-4-3: 2006 IEC 61000-4-4: 2012 IEC 61000-4-5: 2005 + 3 more
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ACCREDIA 00228 Monopoli, IT
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ENAC LC10.255 Torrejón de Ardoz, ES
CEM EL-020 EURAMET cg-17 CEM EL CEM ME-004 EURAMET cg-11 + 3 more
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COMPAÑÍA ESPAÑOLA DE TABACO EN RAMA, S.A. (CETARSA), S.M.E.

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ENAC LE1009 Talayuela, ES
UNE 118019 UNE 118012 ISO 22980 UNE 118020 UNE 118021-2
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COMPRION GmbH Prüf- und Kalibrierlabor

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DAkkS D-K-19708-01-00 Paderborn, DE
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CONSORCI DE MEDI AMBIENT I SALUT PÚBLICA DE LA GARROTXA (SIGMA) LABORATORI POLIVALENT DE LA GARROTXA

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SM 3111 B SM 3500-K B SM 3500-Na B SM 2330 B SM 3113 B UNE-EN ISO 8467 + 3 more
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ISO 16000-3 BS ISO 9227:2022 ISO 16000-6 ISO 16000-9 DIN EN 14749 + 3 more
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COFRAC 1-0097 Charleville-Mezieres, FR
DIN EN ISO 6508-1 ASTM E8/E 8M DIN EN ISO 643 EN ISO 12624 ISO 4967 + 3 more
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ACCREDIA 00841 Grugliasco, IT
EN ISO 16119-2 DIN EN ISO 28139 EN ISO 16119-3 EN ISO 19932-1 EN ISO 19932-2
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ACCREDIA 00009 Bollate, IT
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COFRAC 1-0300 Marne La Vallee Cedex 2, FR
DIN EN 947 DIN CEN TS 15119-2 NF P 20-501 DIN EN 1026 BS EN 14351-1:2006+A2:2016 + 3 more
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Industries

Coach and passenger vehicle manufacturers Bogie and suspension system suppliers Railway operators and depot maintenance Track infrastructure and maintenance organizations Vehicle type approval and certification bodies

Related Standards

  • UIC 518 Railway applications — Tests for the acceptance of running characteristics of railway vehicles
  • EN 14363 Railway applications — Running gear — Testing and validation of running behaviour and safety
  • UIC 505-1 Railway vehicles — gauge limits — Part 1: Rolling stock

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