ISO 6621-4:2015
ISO · 2015-03

Internal combustion engines - Piston rings - Part 4: General specifications

术语 Replaced Cited by 7

1Key Takeaways

This part of ISO 6621 specifies the general characteristics of piston rings for reciprocating internal combustion engines for road vehicles and other applications (the individual dimensional criteria for these rings are given in the relevant International Standards). It also provides a system for ring coding, designati…

2Scope / Description

This part of ISO 6621 specifies the general characteristics of piston rings for reciprocating internal combustion engines for road vehicles and other applications (the individual dimensional criteria for these rings are given in the relevant International Standards). It also provides a system for ring coding, designation, and marking. It is applicable to all such rings of a nominal diameter from 30 mm up to and including 200 mm.

3Version History

ISO 6621-4:1988 older 1988-12
ISO 6621-4:2003 older 2003-10
ISO 6621-4:2015 2015-03
ISO 6621-4:2024 newer 2024-03-15

4Standard Metadata

Standard Number
ISO 6621-4:2015
Status
Replaced
Publisher
International Organization for Standardization (ISO)
Type
术语
Publication Date
2015-03
Adopted Standard
BS ISO 6621-4-2015,IDT

5Citation Network

7
Cite this standard
14
Referenced herein
Standards that cite ISO 6621-4:2015
Internal combustion engines - Piston rings - Part 1: Vocabulary Internal combustion engines - Piston rings - Part 2: Half keystone rings made of cast iron Internal combustion engines - Piston rings - Part 4: Half keystone rings made of steel Internal combustion engines - Piston rings - Part 1: Keystone rings made of cast iron Internal combustion engines - Piston rings - Part 3: Keystone rings made of steel Internal combustion engines. Piston rings. Keystone rings made of steel Internal combustion engines. Piston rings. Keystone rings made of cast iron
Referenced by ISO 6621-4:2015
ISO 6507-3:2005 ISO 6621-1:2007 ISO 6621-2:2003 ISO 6622-1:2003 ISO 6622-2:2013 ISO 6623:2013 ISO 6624-1:2001 ISO 6624-2:2003

6Frequently Asked Questions

What is ISO 6621-4:2015?
ISO 6621-4:2015 — Internal combustion engines - Piston rings - Part 4: General specifications is an international standard developed by International Organization for Standardization (ISO). This part of ISO 6621 specifies the general characteristics of piston rings for reciprocating internal combustion engines for road vehicles and other applications (the individual dimensional criteria for these rings are given in the relevant...
What does ISO 6621-4:2015 cover?
This standard covers: This part of ISO 6621 specifies the general characteristics of piston rings for reciprocating internal combustion engines for road vehicles and other applications (the individual dimensional criteria for these rings are given in the relevant International Standards). It also provides a system for...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
What is the latest version of ISO 6621-4:2015?
The current published version is ISO 6621-4:2015, published on 2015-03. Always check for amendments or pending revisions.
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