GB/T 15530.2-1995 Copper alloy butt welding flange
Basic Information
Standard ID:
GB/T 15530.2-1995
Standard Name: Copper alloy butt welding flange
Chinese Name:
铜合金对焊法兰
Standard category:National Standard (GB)
state:in force
Date of Release1995-04-02
Date of Implementation:1996-01-01
standard classification number
Standard ICS number:Fluid systems and general parts>>Pipeline components and pipelines>>23.040.60 Flanges, pipe joints and connecting parts
Standard Classification Number:Machinery>>General Parts>>J15 Pipe Accessories
associated standards
Publication information
publishing house:China Standards Press
Publication date:1996-01-01
other information
Release date:1995-04-02
Review date:2004-10-14
drafter:Li Junying
Drafting unit:Standardization Research Institute of the Ministry of Machinery
Focal point unit:National Technical Committee for Standardization of Pipe Accessories
Proposing unit:Ministry of Machinery of the People's Republic of China
Publishing department:China Machinery Industry Federation
competent authority:China Machinery Industry Federation
Introduction to standards:
This standard specifies the types and sizes of copper alloy butt welding flanges with nominal pressure PN of 2.0 and 5.0 MPa. This standard applies to copper alloy butt welding flanges with nominal pressure PN of 2.0~5.0 MPa and nominal diameter DN10~900 mm. GB/T 15530.2-1995 Copper alloy butt welding flanges GB/T15530.2-1995 Standard download decompression password: www.bzxz.net
Some standard content:
National Standard of the People's Republic of China
Copper alloy butt welding flange
Copper aloy welding neck flanges1 Subject content and scope of application
GB/T15530.21995
This standard specifies the types and sizes of copper alloy butt welding flanges with nominal pressure PN of 2.0 and 5.0MPa. This standard applies to copper alloy butt welding flanges with nominal pressure PN2.0 and 5.0MPa and nominal diameter DN10900mm. 2 Reference standards
GB/T15530.8 Technical conditions for copper alloy and composite flanges3 The types and sizes of flanges shall comply with the provisions of the following figure and Tables 1 and 2. N
4 The technical requirements of flanges shall comply with the provisions of GB/T15530.8. 5 The nominal pressure of flanges and the maximum non-impact working pressure at different temperatures shall comply with the provisions of Appendix A of GB/T15530.8. 6 Marking example
Copper alloy butt welding flange with nominal diameter of 300mm and nominal pressure of 2.0MPa (20bar): Flange 300-20GB/T15530.2www.bzxz.net
Approved by the State Administration of Technical Supervision on April 2, 1995732
Implementation on January 1, 1996
Nominal diameterOuter diameter of pipe
Nominal diameter
GB/T15530.2—1995
Table 1PN2.0MPa copper alloy butt welding flange dimensionsConnection dimensions
Center circle of bolt hole|| tt||Flange outer diameter
Pipe outer diameter
Flange outer diameter
Bolt hole diameter
Quantity of threads
Flange thickness
Flange height Flange neck wall thickness S
Neck diameter
PN5.0MPa copper alloy butt welding flange size
Connection size
Bolt hole center circle
Bolt hole diameter
Flange thickness Flange height Flange neck wall thickness S, neck diameter C
Nominal diameter Pipe outer diameter
Additional notes:
GB/T 15530.2—1995
Continued Table 2
Connection size
Bolt hole center circle
Flange outer diameter
Bolt hole diameter
This standard is proposed by the Ministry of Machinery Industry of the People's Republic of China. This standard is under the jurisdiction of the Machinery Standardization Research Institute of the Ministry of Machinery Industry. This standard was drafted by the Machinery Standardization Research Institute of the Ministry of Machinery Industry. The main drafter of this standard is Li Junying.
Number of threads
Flange thickness Flange height
Flange neck thickness S Neck diameter
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