Internal combustion engines. Piston rings - Coil-spring-loaded oil control rings made of steel
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What is ISO 6626-3 - Coil-spring-loaded oil-control piston rings about?
ISO 6626 is a series of international standards on piston rings that discusses coil-spring-loaded oil control rings. ISO 6626-3 is the third part of the ISO 6626 series of documents that 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). ISO 6626-3 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.
Mentioned in the description and other BS standards
