Scope
UIC 544-2
Railway Braking Force Estimation Methods
UIC 544-2 provides standardized calculation and estimation methods for determining braking force in railway rolling stock across different brake system types and operational scenarios. This technical standard defines mathematical models for translating brake system pressure, line force, and mechanical leverage into actual stopping power, accounting for variables such as wheel slip, temperature effects, and load conditions. The standard enables consistent performance prediction and certification across diverse European rail systems. Accreditation for this calculation methodology ensures reproducible, safety-critical engineering assessments used in rail fleet design and operational planning.
What it measures
- Brake force calculation from system pressure and geometry
- Adhesion coefficient effects on available braking force
- Load-dependent braking force variations
- Dynamic brake force response characteristics
- Braking force distribution optimization
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DIN EN 14531-1
🇬🇧
BS EN 14531-1
🇫🇷
NF EN 14531-1
🇮🇹
UNI EN 14531-1
🇪🇸
UNE EN 14531-1
🇳🇱
NEN EN 14531-1
1,560
Accredited labs
17
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Showing 151–175 of 1,560 labs
BIOQUALITA' SRL
Active
0,2 0,003 bis 0,006
(HLA DQ8 (HLA DQB*03:02)
ISO 18787
BS EN 15662
DIN EN ISO 6888-1
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BIOTECNAL
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UNE-EN ISO 6579-1
UNE-EN ISO 6222
UNE-EN 26777
UNE-EN ISO 7027-1
en 31-7-79 (BOE 29-08-79)
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BJL ENVIRONNEMENT
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NF X 43-269
NF X 43-269 - Annexe K
NF X43-050 (parties utiles de
NF X 43-050
ISO 16000-7
BJL Laboratoires
Active
NF X 43-269
NF X 43-050
ISO 22262-1
NF X 43-269 - Annexe K
NF X 43-298
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BLASY + MADER Gesellschaft
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ISO 10381-8
DIN ISO 10381-1
DIN ISO 10381-2
DIN ISO 10381-3
DIN ISO 10381-4
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BOC
Active
DIN EN ISO 18119
BS EN ISO 10460:2018
BS EN ISO 11623:2015
BS EN 15888:2014
BS EN 14876:2007/Internal proceduresDiss
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BP Europa SE Aral Forschung
Active
DIN EN ISO 6246
DIN 53160-1
DIN EN ISO 22854
(LBLS) (OMIM 611105) (c.228-
DIN EN 13016-1
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BS EN ISO 10140-2:2021
BS EN ISO 10140-3:2021
BS EN ISO 717-2:2020
ISO 7171
BS EN ISO140-3:1995 (withdrawn)
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DIN EN ISO 7730
ISO 5667-5
ISO 17604
DIN EN ISO 6888-1
ISO 8573-4
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BSI á Íslandi ehf
Active
Nominal value
TEMPERATURE
See Notes 1 to 3
TORQUE
Case Manager: BC4
+ 1 more
DIN EN ISO 10523
NF X 31-615 (prélèvements purge
BUREAU VERITAS EXPLOITATION
Active
NF X43-551
DIN 16961-2
DIN EN 14790
AG2 and IS EN 15259:2007
DIN EN 14181
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UNE-EN 13284-2
UNE-EN 15259
UNE-EN 16911-2
UNE-EN 13284-1
UNE EN 1911
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Babcock Marine [Rosyth]
Active
(HSG 248) – 2021
14B based on HSG 248
DIN EN 12021
14A based on HSG 248
(PCM) based on HSG 248
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Balis Micro
Active
AM09 based on BS ISO 21527-1:
DIN EN ISO 21528-2
DIN EN ISO 4833-2
BS ISO 15214:1998
0.95) based on BS ISO 21527-2:2008
Bareiss Prüfgerätebau
Active
Sound intensity — scanning method (ISO 9
Messgeräte für die
Härteskale Shore A*
Analoge Anzeige
Railway freight wagon brake system requi
+ 3 more
DIN EN ISO17892-12
DIN 18134
DIN 18122-2
DIN 19698-1
Bax Engineering
Active
Temperaturanzeigegeräte
–100 °C bis
- Direktanzeigende Thermometer
- Thermopaare, Thermoelemente
verwendete Abkürzungen:
Salmonella spp.
Antikörper)
Treponema pallidum (Lues)
Thrombozytäre Antikörper
dysenteriae), Vibrio cholerae
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BeckProsper
Active
ASTM A370-24
ASTM E23-24
ASTM E 384-22
ASTM E8/E8M-24
ISO 6507-1
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Echinococcus granulosus
Echinococcus multilocularis
Paragonimus uterobilateralis
Ascaris lumbricoides (IgG)
Brucella spp. (IgG, IgM)
+ 3 more
/ Messgeräte
Gleichstrom- und Nieder- 10 mV
> 220 mV
> 2,2 V
> 11 V
+ 3 more
Best Srl
Active
ISO 16181-1
NF EN ISO-15587-2
ISO 16186
DIN EN ISO 17229
DIN EN ISO 17232
+ 3 more
Vickers hardness test (ISO 6507)
Temperatur *
Temperaturmessgrößen −35 °C
Railway braking — urban guided transport
Temperatur −40 °C
+ 3 more
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