GSO ISO 6626-3:2025
ISO 6626-3:2019
Gulf Standard
Current Edition
·
Approved on
14 October 2025
Internal combustion engines — Piston rings — Part 3: Coil-spring-loaded oil control rings made of steel
GSO ISO 6626-3:2025 Files
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GSO ISO 6626-3:2025 Scope
This document specifies the essential dimensions of coil-spring-loaded oil control rings made of steel, of piston ring types SOR (with R-shaped groove) and SOV (with V-shaped groove).
This document applies to coil-spring-loaded oil control rings made of steel with a diameter from 60 mm up to and including 160 mm for reciprocating internal combustion engines. It can also be used for piston rings in compressors working under analogous conditions.
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