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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19 Countries

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biovis Diagnostik MVZ

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DAkkS D-ML-13188-01-01 Limburg a. d. Lahn- Eschhofen, DE
Lysozym = Sexualhormon bindendes Prolaktin Freies Thyroxin 4 (FT4) Beta-Defensin 2 + 3 more
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duagon Germany

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DAkkS D-PL-20957-01-00 Nürnberg, DE
IEC 61000-6-1 IEC 61000-6-2: 2005 DIN EN 50155 VDE 0115-200 DIN EN 50121-3-2 + 3 more
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enveon

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DAkkS D-PL-21616-01-01 München, DE
VDE 0468-2-1 IEC 60068-2-1 VDE 0468-2-2 IEC 60068-2-2 DIN EN 60068-2-14 + 3 more
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esz AG calibration & metrology

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DAkkS D-K-15019-01-01 Landkreis Fürstenfeldbruck, DE
Hochspannung - Wechselspannung Bereiche Rechteckspannung Amplitudenparameter + 3 more
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eumetron

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DAkkS D-K-15151-01-01 Aalen, DE
− Durchmesser − Parallelendmaße − Formabweichung − Strichmaße, Abstände − Virtuelle Koordinatenmessgeräte + 3 more
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eurofins Umwelt West

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DAkkS D-PL-14078-01-03 Wesseling, DE
DIN 19698-1 DIN 19698-2 DIN ISO 11464 DIN EN ISO 54321 DIN EN 12457-4 + 3 more
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europascal

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DAkkS D-K-15055-01-01 Hanau, DE
- Gleichspannung / Messgeräte > 0 V > 0,22 V > 2,2 V + 3 more
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halstrup-walcher

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DAkkS D-K-21048-01-00 Kirchzarten, DE
Positiver und negativer Positiver Überdruck p e 1) In den CMC sind die erweiterten Messu
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i2 FAST

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UKAS 10852 Hemel Hempstead, GB
BS 4401-1:1998 Using N008-1 based on BS EN ISO 12966-4 2015 N008-2 based on BS EN N011 based on BS 4401-9:1975 and BS 770- + 3 more
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iKM Service

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DAkkS D-K-21115-01-00 Zwickau, DE
Industrielle Messtechnik ≤ 860 mm GmbH, Oberkochen, D
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iLF Magdeburg

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DAkkS D-PL-18869-01-01 Magdeburg, DE
DIN EN ISO 9117-3 DIN EN ISO 9117-5 DIN EN ISO 1463 DIN EN ISO 2808 DIN EN ISO 2178 + 3 more
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ifm prover gmbh Sensorik für die Prozeß- und Verfahrenstechnik

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DAkkS D-K-17060-01-00 Tettnang, DE
Taupunkttemperatur –0,91 bar bis Positiver und negativer Überdruck p *) (ein- oder mehrgängige + 3 more
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ifp-labs UK West Yorkshire

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UKAS 1916 Hebden Bridge, GB
on BS 4401:Part 3:1970(1986) ISO 12966-1:2014 and ISO 12966-4 CH 4026 based on BS 5766:Part CH 4001 based on BS EN 12014- + 3 more
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ift Rosenheim

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DAkkS D-PL-11349-01-01 Rosenheim, DE
ASTM E 330/E 330M ASTM E 283/E283M DIN 4103-1 DIN 68706-1 UNE-EN 12211 + 3 more
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iki Institut für Krankenhaushygiene und Infektionskontrolle

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DAkkS D-PL-21129-01-03 Gießen, DE
DIN EN ISO 5667-1 (A 4) DIN ISO 5667-5 (A 14) DIN EN ISO 5667-3 (A 21) DIN EN ISO 19458 (K 19) DIN 19643-1 + 3 more
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imetrologie GmbH Institut für Metrologie und Prozesstechnologie

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DAkkS D-K-15219-01-02 Helmstadt, DE
Taupunkttemperatur fixpunktzellen Railway braking — urban guided transport Railway vehicle body structural requirem SPRT-Sensor + 3 more
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innomatec Mess- und Schnellanschluss-Systeme

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DAkkS D-K-19194-01-00 Idstein, DE
Absolutdruck p abs > 0,8 bar > 1,2 bar > 20 bar + 3 more
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iocto

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DAkkS D-K-21204-01-00 Hofheim am Taunus, DE
Taupunkttemperatur direktanzeigende −45 °C Railway vehicle body structural requirem Widerstandssensor direktanzeigende > 200 °C + 3 more
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labopart - Medizinische Laboratorien

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DAkkS D-ML-13309-01-00 Dresden, DE
Basophile Eosinophile Erythrozyten Hämatokrit Leukozyten + 3 more
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Infektiologikum Fachärzte für Innere Medizin, Mikrobiologie, Virologie und Infektionsepidemiologie sowie Laboratoriumsmedizin

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DAkkS D-ML-19652-01-00 Frankfurt, DE
Großes Blutbild TSH Immunglobulin E 25-OH-Vitamin D Vitamin B12 + 3 more
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mib Medizinisches Infektiologiezentrum Berlin

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DAkkS D-ML-13067-01-00 Berlin, DE
Basophile Eosinophile Erythrozyten Hämatokrit Leukozyten (Zellzahl) + 3 more
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qbig

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DAkkS D-K-21619-01-00 Leer, DE
Durchflussmess- 13 m³/h - Hochspannungsmessgrößen > 25 m³/h Volumendurchfluss > 40 m³/h + 3 more
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seca

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DAkkS D-K-22590-02-01 Hamburg, DE
nichtselbsttätige elektronische Waagen − Waagen
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simtec Siebenlist Messtechnik

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DAkkS D-K-21353-01-01 Manching-Oberstimm, DE
Absolutdruck 10 hPa Relativdruck −1 000 hPa Durchfluss von Gasen + 3 more
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steep GmbH EMV-Zentrum

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DAkkS D-PL-12064-01-01 Bonn, DE
DIN EN 55016-1-4 VDE 0877-16-1-4 DIN EN 55016-2-1 VDE 0877-16-2-1 DIN EN 55016-2-2 + 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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