GSO ISO 6621-1:2025
ISO 6621-1:2018
Gulf Standard
Current Edition
·
Approved on
14 October 2025
Internal combustion engines — Piston rings — Part 1: Vocabulary
GSO ISO 6621-1:2025 Files
English
33 Pages
Current Edition
Reference Language
OMR
74.21
GSO ISO 6621-1:2025 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.
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