20/30383019 DC

This standard 20/30383019 DC BS ISO 22749-2. Railway applications. Suspension components is classified in these ICS categories:

• 45.060.01 Railway rolling stock in general

This document applies to rubber and rubber to metal parts, as defined in ISO 22749-1.

This document specifies:

1. approval procedure to be implemented by the customer;

2. guidelines for qualification of the product with specified requirements;

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

This document does not apply to:

1. rubber diaphragms for pneumatic suspension springs;

2. elastic parts of buffing and drawgear springs;

3. diaphragms, bellows and seals;

4. hoses and tubings;

5. transmission belts.