This standard BS EN 13597:2003 Railway applications. Rubber suspension components. Rubber diaphragms for pneumatic suspension springs is classified in these ICS categories:
45.060.01 Railway rolling stock in general
21.160 Springs
This standard defines: - characteristics that suspension diaphragms shall achieve, together with applicable inspection and test methods to be carried out for verification; - approval procedure to be implemented by the customer; - guidelines for qualification of the product with specified requirements; - quality monitoring of diaphragms in manufacture; - supply requirements. This standard applies to suspension diaphragms designed to be fitted on railway vehicles and similar vehicles running on dedicated tracks with permanent guide systems, whatever the type of rail and the running surface.