1 Scope
This standard specifies the structural type and dimension series of A-type socket-weld flange for steel pressure vessels.
This standard is applicable to A-type socket-weld flange for steel pressure vessels with nominal pressure between 0.25~1.6MPa and working temperature beyond -20~300℃.
2 Normative References
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies. For undated references, the latest edition (including all the amendments) of the normative document applies.
Foreword I
1 Scope 1
2 Normative References 1
3 Structural Type and Dimension 1
4 Selection Requirements 6
NB/T 47021-2012, NB 47021-2012, NBT 47021-2012, NB/T47021-2012, NB/T 47021, NB/T47021, NB47021-2012, NB 47021, NB47021, NBT47021-2012, NBT 47021, NBT47021
Introduction of NB/T 47021-2012
1 Scope
This standard specifies the structural type and dimension series of A-type socket-weld flange for steel pressure vessels.
This standard is applicable to A-type socket-weld flange for steel pressure vessels with nominal pressure between 0.25~1.6MPa and working temperature beyond -20~300℃.
2 Normative References
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies. For undated references, the latest edition (including all the amendments) of the normative document applies.
Contents of NB/T 47021-2012
Foreword I
1 Scope 1
2 Normative References 1
3 Structural Type and Dimension 1
4 Selection Requirements 6
