ISO 6621-4:2024
International Standard
Current Edition
·
Approved on
01 May 2024
Internal combustion engines — Piston rings — Part 4: General specifications
ISO 6621-4:2024 Files
English
28 Pages
Current Edition
BHD
72.46
ISO 6621-4:2024 Scope
This document specifies the general characteristics of piston rings for reciprocating internal combustion engines for road vehicles and other applications (the individual dimensional criteria for these rings are given in the relevant International Standards). It also provides a system for ring coding, designation, and marking. It is applicable to all such rings of a nominal diameter from 30 mm up to and including 200 mm.
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