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

🇩🇪 DIN EN 14531-1 🇬🇧 BS EN 14531-1 🇫🇷 NF EN 14531-1 🇮🇹 UNI EN 14531-1 🇪🇸 UNE EN 14531-1 🇳🇱 NEN EN 14531-1

1,323 Accredited labs

15 Countries

Showing 301–325 of 1,323 labs

Duravit

DAkkS D-PL-21217-01-00 Hornberg, DE

*6095991, BAG3 [OMIM *6038831 (-13910T>C) rs4988235 - PiM rs6647, PiZ rs28929474, rs17580 DIN EN 997 DIN EN 13407 + 3 more

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E C L (2000)

UKAS 0709 Forest Hall, GB

(PCM) based on HSG 248) (HSG 248) – 2021

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E-T-A Elektrotechnische Apparate

DAkkS D-PL-12144-01-01 Altdorf, DE

VDE 0468-2-1 VDE 0468-2-2 VDE 0468-2-6 DIN EN IEC 60068-2-11 DIN EN IEC 60068-2-13 + 3 more

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E. ZOLLER GmbH & Co. KG Einstell- und Messgeräte

DAkkS D-K-18994-01-00 Pleidelsheim, DE

optische 0 mm Werkzeugeinstell- und / Messgeräte verwendete Abkürzungen:

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EDAG Engineering GmbH ATC Fulda

DAkkS D-PL-11061-02-02 Petersberg, DE

DIN 40633-2 DIN 40633-3 DIN 53482 DIN 72551-100 DIN 72551-6 + 3 more

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EDP Health Safety and Environment Consultants

UKAS 9982 Waterside Court, GB

and Appx. 3 of HSG 227 (2004)) in Appendix 5 of HSG 227 (2004) guides HSG 264 (2012) and (HSG 264, 2012)

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ELLAB

DAkkS D-K-20746-01-00 Bockel, DE

Taupunkttemperatur Widerstandssensor –100 °C bis > 140 °C bis > 240 °C bis + 3 more

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ELMTEC Ingenieurgesellschaft

DAkkS D-K-15099-01-01 Königslutter am Elm, DE

- Gleichspannung Messgeräte > 0,004 V > 0,33 V > 33 V > 330 V + 3 more

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EMCCons RASEK

DAkkS D-K-12067-01-01 Unterleinleiter, DE

- Gleichspannung > 0,12 V Vorverstärker > 1,2 V > 12 V > 120 V + 3 more

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ENDRESS Y HAUSER, S.A. (Unipersonal)

ENAC LC10.206 Sant Cugat del Vallès, ES

200 kg/h ≤ m ≤ 60000 kg/h 200 l/h ≤ Q ≤ 60000 l/h 200 kg/h ≤ m ≤ 30000 kg/h 200 l/h ≤ Q ≤ 30000 l/h 700 Pa ≤ P ≤ 2 MPa + 3 more

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ENV Surveys

UKAS 2794 Brighton, GB

staining based on HSG 248 (HSG 248) – 2021 (PCM) based on HSG 248

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EP EHRLER PRÜFTECHNIK ENGINEERING

DAkkS D-K-21444-01-01 Niederstetten, DE

Railway brake — anti-slide device (UIC 5 Railway brake — magnetic track brakes (U Railway brakes — conditions for homologa Railway brakes — disc brake pads (UIC 54 − Durchfluss von Gasen + 3 more

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