ISO 22749-2:2021Published

Railway applications — Suspension components — Part 2: Approval procedure and quality monitoring for elastomer-mechanical parts

Applications ferroviaires — Pièces de suspension — Partie 2: Procédure d'homologation et surveillance de la qualité des pièces mécaniques à base d'élastomère

Abstract / scope

This document applies to elastomer-mechanical parts, as defined in ISO 22749-1.

This document specifies:

—    approval procedure to be implemented by the customer;

—    guidelines for qualification of the product with specified requirements;

—    quality monitoring of rubber and rubber to metal parts in manufacture.

This document does not apply to:

—    rubber diaphragms for pneumatic suspension springs;

—    elastic parts of buffing and drawgear springs;

—    diaphragms, bellows and seals;

—    hoses and tubings;

—    transmission belts.