This standard specifies the types and sizes of integral cast copper alloy flanges with nominal pressure PN of 0.6, 1.0, 1.6, 2.5, 4.0 and 2.0, 5.0 MPa. This standard applies to integral cast copper alloy flanges with nominal pressure PN of 0.6~5.0 MPa and nominal diameter DN10~1800mm. GB/T 15530.1-1995 Copper alloy integral cast flanges GB/T15530.1-1995 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Copper alloy integral flanges
Cast copper alloy integral flangesSubject content and scope of application
GB/T 15530. 1--1995
This standard specifies the types and dimensions of integral cast copper alloy flanges with nominal pressure PN of 0.6, 1.0, 1.6, 2.5, 4.0 and 2.0, 5.0MPa.
This standard applies to integral cast copper alloy flanges with nominal pressure PN0.6~5.0MPa and nominal diameter DN10~~1800mm. Reference standard
GB/T15530.8 Technical conditions for copper alloy and composite flanges3 The types and dimensions of flanges shall comply with the following figure and the provisions of Tables 1 to 7.D
4 The technical requirements of flanges shall comply with G B/T15530.8. The nominal pressure of type B
5 flange and the maximum non-impact working pressure at different temperatures shall comply with the provisions of Appendix A of GB/T15530.8. Approved by the State Bureau of Technical Supervision on April 2, 1995 and implemented on January 1, 1996
Nominal diameter
Flange outer diameter
GB/T15530.1—1995
Table 1PN0.6MPa integral cast copper alloy flange dimensionsConnection dimensions
Bolt hole center circle diameter
Bolt hole diameter
Flange thickness Neck diameter
Fillet radius
Nominal diameter
Flange outer diameter
GB/T15530.1—1995
Table 2PN1.0MPa integral cast copper alloy flange dimensionsConnection dimensions
Bolt hole center circle diameterBolt hole diameter
Flange thickness
Neck diameter
Fillet radius
Nominal diameter
Nominal diameter
Flange outer diameter
Flange outer diameter
GB/T15530.1—1995
Table 3 PN1.6MPa integral cast copper alloy flange dimensions connection dimensions
bolt hole center circle diameterbzxz.net
bolt hole diameter
flange thickness
PN2.5MPa integral cast copper alloy flange dimensions connection dimensions
bolt hole center circle diameter
bolt hole diameter
flange thickness
neck diameter
fillet radius
neck diameter fillet radius
nominal diameter
nominal diameter
flange outer diameter
flange outer diameter
GB/T 15530.1—1995
Continued Table 4
Connection dimensions
Bolt hole center circle diameter
Bolt hole diameter
Flange thickness
PN4.0MPa Integral cast copper alloy flange dimensionsConnection dimensions
Bolt hole center circle diameterBolt hole diameter
Neck diameter fillet radius
Flange thicknessNeck diameter fillet radius
Notes to Tables 1 to 5: When integral cast copper alloy flanges below DN100, PNO.6, PNI.0, PN1.6, PN2.5 and PN4.0 are connected to convex sealing surface steel or cast iron flanges When the thickness is 4.0 MPa, the thickness value given in Table 5 (PN4.0 MPa) should be used (72
Nominal diameter
Nominal diameter
Flange outer diameter
GB/T15530.1—1995
Table 6PN2.0MPa integral cast copper alloy flange dimensionsConnection dimensions
Bolt hole center circle diameterBolt hole diameter
Table 7PN5.0MPa integral cast copper alloy flange dimensionsConnection dimensions
Flange outer diameterBolt hole center circle diameter
Bolt hole diameter
Note: The dimensions of the fillet radius R not listed in Tables 6 and 7 can be determined by the manufacturer. 730
Flange thickness
Flange thickness
Neck diameter
Neck diameter
Additional instructions:
GB/T15530.1--1995
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.
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