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BS ISO 4975:2022

$142.49

Railway applications – Braking system – Quality of compressed air for pneumatic apparatus and systems

Published By Publication Date Number of Pages
BSI 2022 24
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Units and abbreviated terms
4.1 Units
4.2 Abbreviated terms
11 5 Compressed air system
5.1 General
5.2 Breakdown of the system into functional units
6 Characteristics of the devices constituting the functional units
6.1 Air generation and treatment unit (AGTU)
6.1.1 Air intake
6.1.2 Production of compressed air
6.1.3 Treatment of compressed air
12 6.2 Compressed air storage and distribution
6.3 Use of compressed air for the brake
6.4 Use of compressed air for auxiliary devices
7 Determination of the air quality classes
14 8 Air quality classes
8.1 Reference conditions
15 8.2 Characteristics of quality classes
16 8.3 Designation of the compressed air purity
17 8.4 Application to the pneumatic system of a rail vehicle
18 Annex A (informative) Contaminants
19 Annex B (informative) Demonstration of air quality during life cycle
21 Annex C (informative) Example for temperature range
22 Bibliography
BS ISO 4975:2022
$142.49