21/30419366 DC

This standard 21/30419366 DC BS ISO 4975. Railway Applications. Braking system. Quality of compressed air for pneumatic apparatuses and circuits use is classified in these ICS categories:

• 45.020 Railway engineering in general

This document defines the quality classes of compressed air produced by and/or used in pneumatic apparatus and systems of rail vehicles.

This document is applicable to compressed air generation and treatment units and also to all pneumatic equipment and systems of rail vehicles.