BS ISO 6621-2:2020

This standard BS ISO 6621-2:2020 Internal combustion engines. Piston rings is classified in these ICS categories:

• 43.060.10 Engine block and internal components

This document defines the measuring principles to be used for measuring piston rings; it applies to piston rings up to and including 200 mm diameter for reciprocating internal combustion engines.

This document can be used for piston rings for compressors working under analogous conditions.