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ISO 6626-3:2019

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ISO 6626-3:2019

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

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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.

Author ISO/TC 22/SC 34 Propulsion, powertrain and powertrain fluids
Editor ISO
Document type Standard
Format Paper
Edition 2
Number of pages 26
Replace ISO 6626-3:2008
Weight(kg.) 0.1442
Year 2019
Country Switzerland