ISO 6622-1:2021
Internal combustion engines - Piston rings - Part 1: Rectangular rings made of cast iron

Standard No.

ISO 6622-1:2021

Release Date

2021

Published By

International Organization for Standardization (ISO)

Latest

ISO 6622-1:2021

Scope

This document specifies the essential dimensional features of rectangular rings made of cast iron, Types R, B, BA and M, having diameters up to and including 200 mm, used in reciprocating internal combustion piston engines. It is also applicable to piston rings of compressors working under similar conditions.

ISO 6622-1:2021 Referenced Document

• ISO 6621-1 Internal combustion engines - Piston rings - Part 1: Vocabulary
• ISO 6621-4 Internal combustion engines — Piston rings — Part 4: General specifications*， 2024-03-15 Update

ISO 6622-1:2021 history

• 2021 ISO 6622-1:2021 Internal combustion engines - Piston rings - Part 1: Rectangular rings made of cast iron
• 2003 ISO 6622-1:2003 Internal combustion engines - Piston rings - Part 1: Rectangular rings made of cast iron
• 1986 ISO 6622-1:1986 Internal combustion engines; Piston rings; Part 1 : Rectangular rings