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
1,323 Accredited labs
15 Countries

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ENAC LE2277 Beasain, ES
ASTM E 112 UNE-EN ISO 643 UNE-EN 13261 ISO 4967 ASTM E 10 + 3 more
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ACCREDIA 00215 Montelabbate, IT
ISO 16000-3 BS ISO 9227:2022 ISO 16000-6 ISO 16000-9 DIN EN 14749 + 3 more
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COFRAC 1-0097 Charleville-Mezieres, FR
DIN EN ISO 6508-1 ASTM E8/E 8M DIN EN ISO 643 EN ISO 12624 ISO 4967 + 3 more
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CSTB - BV

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COFRAC 1-0300 Marne La Vallee Cedex 2, FR
DIN EN 947 DIN CEN TS 15119-2 NF P 20-501 DIN EN 1026 BS EN 14351-1:2006+A2:2016 + 3 more
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COFRAC 1-1542 Saint Martin D'Heres, FR
DIN EN 1279-2 DIN EN 1279-5 DIN EN 12094-10 EN 1279-6 – Méthode de référence DIN EN 14449 + 3 more
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DAkkS D-ML-13325-01-00 Cottbus, DE
Oligosaccharide Chromatographie (Gaschromatograpie Cannabinoide (THC-COOH) Amphetamine Opiate + 3 more
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DAkkS D-K-18066-01-00 Hechingen, DE
Vickers hardness test (ISO 6507) Temperaturmessgrößen –70 °C Railway braking — urban guided transport Thermometer mit > –40 °C Widerstandssensor * + 3 more
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UKAS 0654 Norwich, GB
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UKAS 0789 Great Dunmow, GB
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UKAS 1079 Gloucestershire, GB
BS ISO 488:2008, 2446:2008 and on BS 4401:Part 3:1970(1986) BS 696-2:1989 (superseded and BS ISO 6731:2010 ISO BS EN 3727-1:2002 + 3 more
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UKAS 4301 Llanishen, GB
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Carl Zeiss

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DAkkS D-PL-12125-01-01 Oberkochen, DE
DIN EN 60601-1 IEC 60601-1 DIN EN 60601-1-1 IEC 60601-1-1 IEC 80601-2-77 + 3 more
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DAkkS D-K-21703-01-00 Oberkochen, DE
Carl Zeiss Industrielle ≤ 3818 mm Oberkochen, D 1) In den CMC sind die erweiterten Messu Carl Zeiss Industrielle ≤ 20 m Auswertesoftware Messvolumen mit + 3 more
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DAkkS D-K-15007-01-01 Oberkochen, DE
Parallelendmaße 50 mm DIN EN ISO 3650:1999 Thermischer Ausdeh- Maximale Dimension Bandbreite Höhe: 80 mm + 3 more
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DAkkS D-PL-12037-01-02 Jena, DE
DIN EN 61010-1 VDE 0411-1 IEC 61010-1 : 2010 DIN EN 60825-1 VDE 0837 + 3 more
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DAkkS D-K-12037-01-01 Jena, DE
Parallelendmaße * 0,5 mm DIN EN ISO 3650:1999 Parallelendmaße * 40 mm Parallelendmaße * ≥ 100 mm Strichmaßstäbe 0 mm + 3 more
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UKAS 27202 Paisley, GB
(HSG 264, 2012)
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UKAS 7914 Willsbridge, GB
5 of HSG 227 (2004)) (HSG 264, 2012)
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UKAS 1643 Chelmsford, GB
(cdt), Deletion an Pos 117 (HSG 248) – 2021 (PCM) based on HSG 248 BS 6068-4.12:1998 (withdrawn)
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CeGaT

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DAkkS D-ML-13206-01-01 Tübingen, DE
angeborener Chromosomensatz (Imbalancen im Genom, (Duplikationen/Del SNRPN-Region 15q11-13 UPD15 (UBE3A) SMN1; Spinale Muskelatrophie + 3 more
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Cenata

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DAkkS D-ML-21205-01-01 Tübingen, DE
Pränatales Screening auf Chromosomenstörungen (Trisomie 21, Trisomie 18, Trisomie 13, X0, XXX, XXY, XYY, XXYY, 22q11 (DiGe
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UKAS 0822 Southam, GB
Calibration of pressure Gas pressure (gauge) Gas Pressure (Differential) common mode pressure of 3.5 Hydraulic pressure (gauge) + 3 more
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DAkkS D-ML-13008-09-01 Berlin, DE
Whole genome sequencing (WGS: SNV, CNV/SV)
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CheckImmune

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DAkkS D-ML-21360-01-00 Berlin, DE
Leukozytenzahl B-Zellzahl (Immunstatus Rezeptor-Besatz HLA-DR Leukozytensubpopulationen + 3 more
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Chelab

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ACCREDIA 00051 Resana, IT
ISO 9308-1 ISO 7899-2 ISO 17410 ISO 16266 ISO 19250 + 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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