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ISO 22749-2:2021 Railway applications - Suspension components - Part 2: Approval procedure and quality monitoring for elastomer-mechanical parts
standard by International Organization for Standardization, 11/01/2021
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This document applies to elastomer-mechanical parts, as defined in ISO22749-1.
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.