GB/T 3821-1983
Replaced
GB/T 1149.7-2010
Active
National standards
GB/T 1149.7-2010 Internal combustion engines—Piston rings—Part 7:Rectangular rings made of cast iron
GB/T 1149.7-2010 Internal combustion engines—Piston rings—Part 7:Rectangular rings made of cast iron
Basic Information
Standard Code:
GB/T 1149.7-2010
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
The body and moving parts
ICS Name:
Internal combustion engine
Publish Date:
2010-11-10
Implement Date:
2011-03-01
Pages:
30 pages
Scope
This part of GB/T 1149 specifies the basic dimensional characteristics of rectangular cast iron piston rings with model numbers R, B, BA, and M (hereinafter referred to as rectangular cast iron rings).
This part is applicable to rectangular cast iron rings for reciprocating internal combustion engines with a cylinder diameter not exceeding 200 mm. Rectangular cast iron rings for compressors operating under similar conditions can also be used as a reference.
Development Information
Same series standard
Replace the following standards
Referenced Standards
Adopt standards
ISO 6622-1:2003
Related Standards
GB/T 1147-1987
Replaced
GB/T 1147-1987 Reciprocating internal combustion engines—General technical specifications
GB/T 725-1991
Replaced
GB/T 725-1991 Internal combustion engines—Nomenclature and code of designations
GB/T 1149.3-1992
Replaced
GB/T 1149.3-1992 Internal combustion engines—Piston rings-Scraper rings
GB/T 1149.5-1992
Replaced
GB/T 1149.5-1992 Internal combustion engines—Piston rings-Oil control rings
GB/T 1151-1993
Replaced