EN 16834

Railway Brake Adhesion Performance Testing

This test method evaluates the adhesion performance of railway braking systems under controlled wet and contaminated rail conditions. It assesses the ability of brake systems to generate sufficient friction force while maintaining stable deceleration and preventing wheel lock-up. The test is fundamental for railway operators, brake manufacturers, and rolling stock producers to ensure safe braking performance across varying environmental conditions. Accredited testing ensures independent verification that brake systems meet critical safety requirements for European rail networks and comply with technical specifications for rolling stock.

What it measures

  • Adhesion coefficient under wet conditions
  • Adhesion coefficient with contaminated rail surfaces
  • Brake force generation and stability
  • Wheel slip and lock-up prevention
  • Performance reproducibility across test cycles
🇩🇪 DIN EN 13979-1 🇬🇧 BS EN 13979-1 🇫🇷 NF EN 13979-1 🇮🇹 UNI EN 13979-1 🇪🇸 UNE EN 13979-1 🇳🇱 NEN EN 13979-1 🇩🇪 DIN EN 15595 🇬🇧 BS EN 15595 🇫🇷 NF EN 15595 🇮🇹 UNI EN 15595 🇪🇸 UNE EN 15595 🇳🇱 NEN EN 15595
1,560 Accredited labs
17 Countries

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ISO 1920-4 DIN EN 480-11 DIN EN 12350-1 DIN EN 12350-3 DIN EN 12350-6 + 3 more
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Aktivator ADP / Epinephrin Thrombozytenfunktionstest Basophile Leukozyten, absolut Basophile Leukozyten Eosinophile Leukozyten + 3 more
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DAkkS D-K-15047-01-00 Türkenfeld, DE
spektrale Mikrofonempfindlichkeit Photodioden 1 µA/W Bestrahlungsstärke + 3 more
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- Gleichspannung Messgeräte > 0,22 V > 2,2 V > 11 V > 22 V + 3 more
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ASTM D3835-16 ASTM D6204-19a ASTM D6601-19 ISO 11443 ASTM D1238-13 + 3 more
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HBT

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DAkkS D-PL-18658-01-01 Lünen, DE
DIN 18041 DIN EN 1804-2 DIN EN 1804-3
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Verschlusszeit (ADP, Epinephrin, P2Y12) HCG, ß-HCG PF4/Heparin-Komplexe induzierte Thrombozytopenie, Test) Differenzialblutbild (maschinell) + 3 more
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DAkkS D-K-20425-01-00 Ulm, DE
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DAkkS D-PL-18661-01-00 Leipzig, DE
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DAkkS D-K-19153-01-01 Dresden, DE
Gleichspannung a) / Messgeräte > 600 kV Messsysteme, Teiler > 5 kV + 3 more
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DAkkS D-PL-21561-01-00 Brühl, DE
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HLK Stuttgart

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DAkkS D-PL-11026-01-01 Stuttgart, DE
DIN EN 442-2 DIN EN 16430-1 DIN EN 16430-2 DIN EN 16430-3 DIN 4703-3 + 3 more
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DAkkS D-K-21083-01-01 Neunkirchen-Heinitz, DE
Gleichspannung 0 µV Messgeräte > 20 mV Messgeräte > 200 mV > 2 V > 20 V + 3 more
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DAkkS D-K-17344-01-01 Hochdorf-Assenheim, DE
Härte *) 20 HRA Härtevergleichsplatten 20 HRB nach Rockwell Verfahren 20 HRC 40 HRD 60 HRF + 3 more
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DAkkS D-ML-13446-01-01 Wernigerode, DE
automatische Zelldifferenzierung Erythrozyten Leukozyten Retikulozyten Thrombozyten + 3 more
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DAkkS D-K-15122-01-00 Cunewalde, DE
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DAkkS D-K-19237-01-02 Darmstadt, DE
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DAkkS D-PL-12083-01-04 Bönnigheim, DE
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DAkkS D-K-15198-01-00 Hanau, DE
Taupunkttemperatur thermometer, -80 °C bis Railway braking — urban guided transport > -35 °C bis Temperatur- −35 °C bis + 3 more
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Industries

Railway operators Brake system and component manufacturers Rolling stock manufacturers Railway type-approval bodies Rail infrastructure maintenance

Related Standards

  • EN 13979-1 Railway applications - Braking systems - Part 1: General requirements and definitions
  • EN 15595 Railway applications - Braking systems - Acceptance tests and performance specifications
  • EN 16185-1 Railway applications - Brake friction pairs - Part 1: Friction behaviour assessment and acceptance criteria
  • EN 16834 Railway applications - Adhesion under braking and traction conditions

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