GB/T 2877-1981
Replaced
GB/T 12221-1989
Replaced
National standards
GB/T 12221-1989 Metal valves for use in flanged pipe systems—Face-to -face and centre-to-face dimensions
GB/T 12221-1989 Metal valves for use in flanged pipe systems—Face-to -face and centre-to-face dimensions
Basic Information
Standard Code:
GB/T 12221-1989
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
\nValve
ICS Name:
\nValve
Publish Date:
1990-01-04
Implement Date:
1990-12-01
Publisher:
The National Technical Supervision Bureau
Technical Committee:
Hefei General Machinery Research Institute
Pages:
16 pages
Development Information
Drafting Persons:
Hong Manheng, Sun Sai'ao, and Zhang Huayou
Superseded by the following standards
Adopt standards
ISO 5752-82
Related Standards
GB/T 12225-1989
Replaced
GB/T 12225-1989 General purpose industrial valves—Specification of copper alloy castings
GB/T 12220-1989
Replaced
GB/T 12220-1989 General purpose industrial valves—Marking
GB/T 12224-1989
Replaced
GB/T 12224-1989 General requirements for industrial steel valves
GB/T 12226-1989
Replaced
GB/T 12226-1989 General purpose industrial valves—Specification of flake graphite iron castings
GB/T 12227-1989
Replaced