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ISO 6621-2

Internal combustion engines — Piston rings — Part 2: Inspection measuring principles

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Organization: ISO
Publication Date: 1 March 2020
Status: active
Page Count: 38
ICS Code (Engine block and internal components): 43.060.10
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.

Document History

ISO 6621-2
March 1, 2020
Internal combustion engines — Piston rings — Part 2: Inspection measuring principles
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....
ISO 6621-2
November 15, 2003
Internal combustion engines - Piston rings - Part 2: Inspection measuring principles
A description is not available for this item.
ISO 6621-2
January 1, 1984
Internal Combustion Engines - Piston Rings - Part 2: Inspection Measuring Principles
A description is not available for this item.

References

This document references:
ISO 6621-1 - Internal combustion engines - Piston rings - Part 1: Vocabulary
Published by ISO on February 1, 2018
This document 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...
This document references:
ISO 6624-1 - Internal Combustion Engines - Piston Rings - Part 1: Keystone Rings Made of Cast Iron
Published by ISO on April 1, 2017
This document specifies the essential dimensional features of keystone rings made of cast iron, types T, TB, TBA, TM, K, KB, KBA and KM, having diameters from 70 mm up to and including 200 mm, used...
This document references:
ISO 6624-2 - Internal combustion engines - Piston rings - Part 2: Half keystone rings made of cast iron
Published by ISO on February 15, 2016
This part of ISO 6624 specifies the essential dimensional features of half keystone rings made of cast iron, types HK, HKB and HKBA, having nominal diameters from 38 mm up to, and including, 160 mm,...
This document references:
ISO 4287 - Geometrical Product Specifications (GPS) - Surface Texture: Profile Method - Terms, Definitions and Surface Texture Parameters
Published by ISO on April 1, 1997
This International Standard specifies terms, definitions and parameters for the determination of surface texture (roughness, waviness and primary profile) by profiling methods.
This document references:
ISO 4288 - Geometrical Product Specifications (GPS) — Surface texture: Profile method — Rules and procedures for the assessment of surface texture TECHNICAL CORRIGENDUM 1
Published by ISO on June 15, 1998
This International Standard specifies the rules for comparison of the measured values with the tolerance limits for surface texture parameters defined in ISO 4287, ISO 12085, ISO 13565-2 and ISO...
This document references:
ISO 6621-1 - Internal combustion engines - Piston rings - Part 1: Vocabulary
Published by ISO on February 1, 2018
This document 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...
This document references:
ISO 6624-1 - Internal Combustion Engines - Piston Rings - Part 1: Keystone Rings Made of Cast Iron
Published by ISO on April 1, 2017
This document specifies the essential dimensional features of keystone rings made of cast iron, types T, TB, TBA, TM, K, KB, KBA and KM, having diameters from 70 mm up to and including 200 mm, used...
This document references:
ISO 6624-2 - Internal combustion engines - Piston rings - Part 2: Half keystone rings made of cast iron
Published by ISO on February 15, 2016
This part of ISO 6624 specifies the essential dimensional features of half keystone rings made of cast iron, types HK, HKB and HKBA, having nominal diameters from 38 mm up to, and including, 160 mm,...
This document is referenced by:
ISO 6622-1 - Internal combustion engines Piston rings Part 1: Rectangular rings made of cast iron
Published by ISO on December 1, 2003
A description is not available for this item.
This document is referenced by:
BS ISO 6622-1 - Internal combustion engines - Piston rings - Part 1: Rectangular rings made of cast iron
Published by BSI on December 19, 2003
A description is not available for this item.
This document is referenced by:
BS ISO 6621-4 - Internal combustion engines - Piston rings Part 4: General specifications
Published by BSI on March 31, 2015
A description is not available for this item.
This document is referenced by:
BS ISO 6621-1 - TC - Tracked Changes (Redline) - Internal combustion engines — Piston rings Part 1: Vocabulary
Published by BSI on February 27, 2020
A description is not available for this item.
This document is referenced by:
BS ISO 6621-4 - TC - Tracked Changes (Redline) - Internal combustion engines — Piston rings Part 4: General specifications
Published by BSI on February 27, 2020
A description is not available for this item.
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