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Status : Active
Standard Type : Main
Document No : ISO 6626-3:2019
Document Year : 2019
Pages : 26
Edition : 2
Section Volume : Propulsion, powertrain and powertrain fluids (ISO/TC 22/SC 34.)
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.