Scope
EN 17285
Railway Composite Brake Blocks - Requirements
This test method establishes performance requirements and acceptance criteria for composite (non-asbestos) brake blocks used in freight wagon braking systems. It evaluates friction characteristics, thermal stability, wear resistance, and compatibility with brake disc or wheel surfaces under representative operational conditions. Freight operators and brake block manufacturers use this test to ensure component reliability and safe braking performance in heavy-duty rail transport. Accreditation is critical for laboratories conducting brake block qualification testing to provide independent verification of compliance with European technical specifications for freight wagon safety.
What it measures
- Coefficient of friction under varied temperatures
- Wear rate and durability characteristics
- Thermal stability and fade resistance
- Compatibility with disc or wheel materials
- Dimensional stability and surface integrity
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DIN EN 16185-1
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BS EN 16185-1
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NF EN 16185-1
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UNI EN 16185-1
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UNE EN 16185-1
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NEN EN 16185-1
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DIN EN 13979-1
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BS EN 13979-1
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NF EN 13979-1
🇮🇹
UNI EN 13979-1
🇪🇸
UNE EN 13979-1
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NEN EN 13979-1
1,560
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Verschlusszeit (ADP, Epinephrin, P2Y12)
HCG, ß-HCG
PF4/Heparin-Komplexe
induzierte Thrombozytopenie, Test)
Differenzialblutbild (maschinell)
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Ampicillin
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Hämoglobin A1c (HbA1c)
Linecolid
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ADP-Antagonisten
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ASS-Inhibition
Thrombozyten-Funktionsanalyse
β-HCG
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HENSOLDT Sensors
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- Gleichspannung
Spannungsmessgeräte
> 20 V
> 200 V
Spannungsquellen
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Natriumchlorid
Glucose
Kalium
Natrium
Albumin
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HFB Engineering
Active
DIN EN ISO 10666
DIN 53438-3
rs738409
DIN EN 1382
DIN EN 1383
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Gleichspannung a)
/ Messgeräte
> 600 kV
Messsysteme, Teiler
> 5 kV
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IEC 61000-4-2: 2008
VDE 0847-4-2
IEC 61000-4-4: 2012
VDE 0847-4-4
IEC 61000-4-5: 2005
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HLK Stuttgart
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DIN EN 442-2
DIN EN 16430-1
DIN EN 16430-2
DIN EN 16430-3
DIN 4703-3
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HOP'LAB
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NF X43-050 (parties utiles de
NF X 43-050
NF X43-050 (parties utiles de la
HORIBA MIRA
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IEC/CISPR 25
DIN EN 55025: 2018
ISO 7637-2
ISO 11451-1
IEC/CISPR 12
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HSL Compliance
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(HSG 248) – 2021
M003 based on HSG 248
(PCM) based on HSG 248
M002based on HSG 248
HSG 227 (2004))
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HYDAC Systems & Services
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Gleichspannung 0 µV
Messgeräte > 20 mV
Messgeräte > 200 mV
> 2 V
> 20 V
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HaBu Hauck Prüftechnik
Active
Härte *) 20 HRA
Härtevergleichsplatten 20 HRB
nach Rockwell Verfahren 20 HRC
40 HRD
60 HRF
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Hampshire Scientific Service
Active
(HSG 248) - 2021
ASB/SOP/OM8 based on HSG 248
ASB/SOP/OM6 based on HSG 248
DIN EN 12697-11
on BS 4401:Part 3:1970(1986)
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Hartford Steam Boiler UK
Active
BS 2790 - Specification for the design a
BS 1113 - Specification for the design a
BS EN 13480 Parts 1 to 8 - Metallic
EN 13445 – Parts 1 to 10 Unfired pressur
BS EN ISO 15614 and ASME IX
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automatische Zelldifferenzierung
Erythrozyten
Leukozyten
Retikulozyten
Thrombozyten
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(HSG 264, 2012)
and Appx. 3 of HSG 227 (2004))
Executive guides HSG 264 (2012)
Absolutdruck p
abs
> 41 bar
Negativer und
positiver Überdruck
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Hessische Eichdirektion
Active
Masse * 1 mg
konventioneller 2 mg
Wägewert/ Masse
> 5 mg
10 mg
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Heywood Williams Components
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DIN EN 1026
DIN EN 12046-2
BS 6375-1:2015 + A1:2016 and the
DIN EN 1027
DIN EN 1629
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Hohenstein Laboratories
Active
DIN 53160
DIN 54034
DIN 54056
DIN EN 20105-A02
DIN EN 20105-N01
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Taupunkttemperatur
thermometer, -80 °C bis
Railway braking — urban guided transport
> -35 °C bis
Temperatur- −35 °C bis
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