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ISO 6626-3:2019

Internal combustion engines -- Piston rings -- Part 3: Coil-spring-loaded oil control rings made of steel

General information
Valid from 22.09.2019
Directives or regulations
None
Standard history
Status
Date
Type
Name
22.09.2019
Main
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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