GB/T 2877-1981
Replaced
GB/T 12221-2005
Replaced
National standards
GB/T 12221-2005 Metal valves—Face to face,end to end,center to face and center to end dimensions
GB/T 12221-2005 Metal valves—Face to face,end to end,center to face and center to end dimensions
Basic Information
Standard Code:
GB/T 12221-2005
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
\nValve
ICS Name:
\nValve
Publish Date:
2005-02-21
Implement Date:
2005-08-01
Pages:
28 pages
Development Information
Replace the following standards
GB/T 12221-1989 Metal valves for use in flanged pipe systems—Face-to -face and centre-to-face dimensions
GB/T 15188.1-1994
GB/T 15188.2-1994
GB/T 15188.3-1994
GB/T 15188.4-1994
Superseded by the following standards
Referenced Standards
GB/T 1047-1995 Nominal size for pipe components
GB/T 1047-2005 Pipework components—Definition and selection of DN (nominal size)
GB/T 1047-2019 Pipework components—Definition and selection of nominal size
GB/T 1048-1990 Nominal pressure for pipe components
GB/T 1048-2005 Pipework components—Definition and selection of PN
GB/T 1048-2019 Pipework components—Definition and selection of nominal pressure
Adopt standards
ISO 5752:1982
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 12221-1989
Replaced
GB/T 12221-1989 Metal valves for use in flanged pipe systems—Face-to -face and centre-to-face dimensions
GB/T 12224-1989
Replaced
GB/T 12224-1989 General requirements for industrial steel valves
GB/T 12226-1989
Replaced