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
1,399 Accredited labs
17 Countries

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INSTRUMENTOS TESTO

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ENAC LC10.091 Cabrils, ES
2 · 10-6 mol/mol  C  100 · 10-6 mol/mo
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INTERTEK IBERICA SPAIN, S.L. (Unipersonal)

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ENAC LE2322 Bilbao, ES
ASTM D 5191 ASTM D2270 ASTM D 130 ASTM D 97 UNE-EN ISO 2160 + 3 more
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J.P. ALCARAZ ELECTRONICA

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ENAC LC10.259 Cartagena, ES
CEM EL-014 CEM EL CEM EL-001 CEM ME
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JTSEC BEYOND IT SECURITY, S.L. (Unipersonal)

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ENAC LE2505 Granada, ES
UNE 320001 ISO/IEC 18045 ISO/IEC 15408 CEM ISO ISO/IEC 24759 + 2 more
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KROMSCHROEDER

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ENAC LC10.199 Hospitalet de Llobregat, ES
Caudal m3/h 0,010 m3/h  Q  250 m3/h 0, Caudal m3/h 0,16 m3/h  Q  2500 m3/h 0,
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LABAQUA, S.A. (Unipersonal)

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ENAC LE285 Alacant, ES
UNE-EN ISO 27888 SM 2540 UNE-EN ISO 8467 UNE-EN ISO 7027-1 UNE-EN ISO 10523 + 3 more
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LABOCOR ANALÍTICA, S.L. (Unipersonal)

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ENAC LE1912 Colmenar Viejo, ES
AOAC 995.11 UNE EN ISO 6869 AOAC 985.35 UNE-EN 17298
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LABORATORIO AGRARIO Y FITOPATOLÓGICO DE GALICIA

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ENAC LE609 Abegondo, ES
UNE 77324 ISO 23318 UNE 77325 ISO 10390 UNE 77308 + 3 more
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LABORATORIO CENTRAL OFICIAL DE ELECTROTECNIA (LCOE) DE LA FUNDACIÓN PARA EL FOMENTO DE LA INNOVACIÓN INDUSTRIAL

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ENAC LE130 Madrid, ES
DIN EN 60335-2-51 DIN EN 60335-2-43 IEC 62054-21 IEC 60335-2-51 DIN EN 60335-2-99 + 3 more
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UPM

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ENAC LC10.086 Madrid, ES
- 40 ˚C a 85 ˚C > 85 ˚C a 200 ˚C - 25 ˚C a 85 ˚C
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LADICIM

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ENAC LE299 Santander, ES
UNE-EN 124-5 UNE-EN ISO 945-1 UNE-EN 124-1 UNE-EN 124 UNE-EN ISO 15630-3 + 3 more
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LABORATORIO DE MEDIDAS MAGNÉTICAS "JOSÉ PALACIOS BREGEL" DE LA ESCUELA TÉCNICA SUPERIOR DE INGENIERÍA Y DISEÑO INDUSTRIAL DE LA U.P.M.

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ENAC LC10.010 Madrid, ES
8 mT/A ≤ B/I < 500 mT/A 80 mT ≤ B ≤ 1,1 T 0,2 mT ≤ B < 1,1 T 0 mT ≤ B < 80 mT 10 Wb <   0,2 Wb + 2 more
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LABORATORIO DE METROLOGIA Y CALIBRACIÓN DE LA UNIVERSITAT POLITÉCNICA DE CATALUNYA

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ENAC LC10.110 Vilanova i la Geltrú, ES
CEM DI-021 CEM DI-008 EURAMET CG-10 CEM DI-005 EURAMET CG-6 + 2 more
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TERMOCAL

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ENAC LC10.063 Valladolid, ES
3,5 kPa  P  70 kPa 70 kPa < P  700 kP 3,5 kPa  P  2,0 MPa 2,0 MPa < P  7,0 3,5 kPa  P  20 kPa 20 kPa < P  70 kPa 100 kPa  P  6,1 MPa 6,1 MPa < P  100 100 kPa  P 70 MPa + 3 more
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LABORATORIO DE METROLOGÍA Y METROTECNIA DE LA E.T.S.I. INDUSTRIALES DE LA U.P.M.

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ENAC LC10.002 Madrid, ES
nach DIN EN ISO 3650:1999 EURAMET CG-6 ISO 5436-1 CEM DI-013 CEM DI-012 + 3 more
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LARUEX

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ENAC LE1260 Cáceres, ES
UNE-EN ISO 10704 UNE-EN ISO 10703 EPA 903.0 EPA 909.0 ISO 13161 + 3 more
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LABORATORIO OFICIAL DE METROLOXÍA DE GALICIA - LOMG

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ENAC LC10.052 San Cibrao das Viñas, ES
CEM DI-025 CEM DI-018 UNE-EN ISO 21920-3 CEM DI-009 CEM DI-003 + 3 more
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LABORATORIO QUÍMICO MICROBIOLÓGICO

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ENAC LE1340 San Ginés, ES
UNE-EN ISO 7887 UNE-EN ISO 17852 UNE-EN ISO 8467 ISO 7150-1 SM 2510 B + 3 more
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LABORATORIOS EYCO

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ENAC LC10.195 Paterna, ES
ISO 5-3 ISO 2813 UNE-EN ISO 9342-1 UNE-EN ISO 8598-1 ISO 3664 + 3 more
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LABORATORIOS OMEGA

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ENAC LE1116 Fuenlabrada, ES
UNE 10523 UNE 27888 UNE 7027-1 ISO 23695 UNE-EN ISO 9308-1 + 3 more
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LABS & TECHNOLOGICAL SERVICES AGQ

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ENAC LE1322 Burguillos, ES
UNE-EN 7027-1 UNE-EN ISO 10523 SM 2520 B UNE EN 27888 UNE-EN 872 + 3 more
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LAYAKK SEGURIDAD INFORMÁTICA

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ENAC LE2494 Paterna, ES
ISO/IEC 18045 ISO/IEC 15408 UNE 320001
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LGAI TECHNOLOGICAL CENTER, S.A. (APPLUS+)

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ENAC LE894 Bellaterra, ES
UNE-EN 12015 UNE-EN 50065-1 UNE-EN IEC 61000-6-4 UNE-EN IEC 61000-6-3 UNE-EN 61000-6-3 + 3 more
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LINDE GAS ESPAÑA, S.A. (Unipersonal)

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ENAC LC10.040 Rubí, ES
10 · 10-6 mol/mol  C  20 · 10-6 mol/mo 10 · 10-6 mol/mol  C  5000 · 10-6 mol/ 1 · 10-6 mol/mol  C  10 · 10-6 mol/mol 1 · 10-6 mol/mol  C  5 · 10-6 mol/mol 10 · 10-6 mol/mol  C  100 · 10-6 mol/m + 3 more
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MCV

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ENAC LC10.124 Collbató, ES
0,005 l/min ≤ Q ≤ 50 l/min 0,5 m3/h≤ Q ≤ 2,8 m3/h 0,6 m3/h  Q  2,8 m3/h 20 m3/h  Q  30 m3/h 30 m3/h < Q  70 m3/h + 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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