ISO 6627:2022

Internal combustion engines — Piston rings — Expander/rail oil-control rings

Publication date: Feb 25, 2022

General information

Current stage: 60.60 Effective date: Feb 25, 2022

Originator: ISO

Owner: ISO/TC 22/SC 34

Type: International Standard

ICS: 43.060.10

Languages: English

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Status: Published

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This document specifies the essential dimensional features of expander/rail oil-control rings, without providing a complete product description (because expander‑rail 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 40 mm to 140 mm for reciprocating internal combustion engines for road vehicles and other applications. It also applies to piston rings for compressors working under analogous conditions.

ISO 6627:2022

Internal combustion engines — Piston rings — Expander/rail oil-control rings

General information

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Scope

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