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.
Status: PublishedPublication date: 2019-09
Edition: 2Number of pages: 26
Technical Committee: ISO/TC 22/SC 34 Propulsion, powertrain and powertrain fluids
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