ISO 6627:2022
Current
The latest, up-to-date edition.
Internal combustion engines Piston rings Expander/rail oil-control rings
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English
25-02-2022
This document specifies the essential dimensional features of expander/rail oil-control rings, without providing a complete product description (because expanderrail designs vary from piston-ring manufacturer to piston-ring manufacturer, the interaction between the manufacturer and the client will determine specific design details).
This document applies to expander/rail oil-control rings of nominal diameters ranging from 40mm to 140mm for reciprocating internal combustion engines for road vehicles and other applications. It also applies to piston rings for compressors working under analogous conditions.
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