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ISO 6621-1:2018

Internal combustion engines — Piston rings — Part 1: Vocabulary

Publication date:   Mar 5, 2018

General information

90.92 Standard to be revised   Nov 1, 2023

ISO

ISO/TC 22/SC 34 Propulsion, powertrain and powertrain fluids

International Standard

01.040.43   Road vehicle engineering (Vocabularies) | 43.060.10   Engine block and internal components

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Scope

ISO 6621-1:2018 defines the most commonly used terms for piston rings. These terms designate either types of piston rings or certain characteristics and phenomena of piston rings.
The terms and definitions in this document apply to piston rings for reciprocating internal combustion engines. They may also be used for piston rings of compressors working under analogous conditions.
NOTE 1 Further terms and definitions covering measuring principles are given in ISO 6621-2:2003.
NOTE 2 This document gives the equivalent terms in the Chinese, English, French, German, Italian, Japanese, Portuguese, Russian and Spanish language.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 6621-1:2007

NOW

PUBLISHED
ISO 6621-1:2018
90.92 Standard to be revised
Nov 1, 2023

REVISED BY

IN_DEVELOPMENT
ISO/CD 6621-1