This standard specifies the types and dimensions of copper alloy plate type flat welding flanges with nominal pressure PN of 0.6, 1.0, 1.6 and 2.0 MPa. This standard applies to copper alloy plate type flat welding flanges with nominal pressure PN of 0.6~2.0 MPa and nominal diameter DN10~800 mm. GB/T 15530.3-1995 Copper alloy plate type flat welding flange GB/T15530.3-1995 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Copper alloy plate flat welding flange
Copper alloy plate flanges for brazing or welding Subject content and scope of application
GB/T 15530. 3--1995
This standard specifies the types and sizes of copper alloy plate flat welding flanges with nominal pressure PN of 0.6, 1.0, 1.6 and 2.0MPa. This standard is applicable to copper alloy plate flat welding with nominal pressure PN0.6~2.0MPa and nominal diameter DN10~800mm. 2 Reference standards
GB/T15530.8 Technical conditions for copper alloy and composite flanges 3 The type and size of the flange shall comply with the provisions of the following figure and Tables 1 to 4. D
4 The technical requirements of the flange shall comply with the provisions of GB/T15530.8. 5 The nominal pressure of the flange and the maximum non-impact working pressure at different temperatures shall comply with the provisions of Appendix A of GB/T15530.8. Marking example
Copper alloy plate flat welding flange with nominal diameter of 300mm and nominal pressure of 1.0MPa (10bar): Flange 300-10GB/T15530.3
Approved by the State Bureau of Technical Supervision on April 2, 1995 and implemented on January 1, 1996
Nominal diameter
Nominal diameter
Pipe outer diameter
22, 25
28, 30
35, 38
42, 44.5
54, 57
Pipe outer diameter
15, 16
18, 2 0
22、25
35、38
42、44.5
GB/T15530.3--1995
Table 1PN0.6MPa copper alloy plate type flat welding flange dimensionsConnection dimensions
Flange outer diameterBolt hole center circle diameter
Bolt hole diameter
Table 2PN1.0MPa copper alloy plate type flat welding flange dimensionsConnection dimensions
Bolt hole center circle diameter
Flange outer diameter
Bolt hole diameter
Flange thickness
Flange thickness
Flange inner diameter
15. 07, 16. 07
18. 07,20. 08
22. 08, 25. 08
28.08.30, 08
35.09.38. 08 | | tt | | 42.09.44.60 | 08
35. 09,38.08
42.09,44.60
Nominal diameter
Nominal diameter
Pipe outer diameter
54, 57
Pipe outer diameter
15, 16
22, 25
28, 30
35, 38
42, 14.5
51, 57
Flange outer diameter
GB/T 15530.3-1995
Continued Table 2
Connection dimensions
Bolt hole center circle diameter
Flange outer diameter
Bolt hole diameter
Flange thickness
PN1.6MPa copper alloy plate flat welding flange dimensionsConnection dimensions
Bolt hole center circle diameter, bolt hole diameter K
Flange thickness
Flange inner diameter
54.09,57.23
Flange inner diameter
15.07,16.07
18. 07,20. 08
22. 08,25. 08
28.08.30.08
35.09.38.08
42.09、44.60
51.09、57.23
Nominal diameter
Pipe outer diameter
Pipe outer diameter
Nominal diameter
Additional instructions:
Flange outer diameter
GB/T 15530.3—1995
Continued Table 3
Connection sizebZxz.net
Bolt hole center circle diameter
Bolt hole diameter
PN2.0MPa copper alloy plate flat welding flange size table 4
Connection size
Flange outer diameter
Bolt hole center circle diameter
This standard is proposed by the Ministry of Machinery Industry of the People's Republic of China. Bolt hole diameter
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.
Flange thickness
Flange thickness
Flange inner diameter
Flange inner diameter
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