ISO 4975:2022Published

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

Applications ferroviaires — Système de freinage — Qualité de l'air comprimé destiné aux appareils et systèmes pneumatiques

Abstract / scope

This document defines the quality classes of compressed air produced by air generation and treatment units (AGTUs) and/or used in pneumatic apparatus and systems of rail vehicles.

This document is applicable to compressed AGTUs and also to all pneumatic equipment and systems of rail vehicles.