ISO 6621-2:2020
Internal combustion engines — Piston rings — Part 2: Inspection measuring principles
- Standard No.
- ISO 6621-2:2020
- Release Date
- 2020
- Published By
- International Organization for Standardization (ISO)
- Latest
- ISO 6621-2:2020
- Scope
- 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.
ISO 6621-2:2020 Referenced Document
- ISO 4287 Geometrical product specifications (GPS) — Surface finish: Profile method — Surface finish terms, definitions and parameters — Amendment 2: .
- ISO 4288 Geometrical Product Specifications (GPS) - Surface texture: Profile method - Rules and procedures for the assessment of surface texture; Technical Corrigendum 1
- ISO 6621-1 Internal combustion engines - Piston rings - Part 1: Vocabulary
- ISO 6624-1 Internal combustion engines - Piston rings - Part 1: Keystone rings made of cast iron
- ISO 6624-2 Internal combustion engines - Piston rings - Part 2: Half keystone rings made of cast iron
- ISO 6624-3 Internal combustion engines - Piston rings - Part 3: Keystone rings made of steel
- ISO 6624-4 Internal combustion engines - Piston rings - Part 4: Half keystone rings made of steel
ISO 6621-2:2020 history
- 2020 ISO 6621-2:2020 Internal combustion engines — Piston rings — Part 2: Inspection measuring principles
- 2003 ISO 6621-2:2003 Internal combustion engines - Piston rings - Part 2: Inspection measuring principles
- 1984 ISO 6621-2:1984 Internal combustion engines; Piston rings; Part 2 : Inspection measuring principles
