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Common Flange Standards
Release time:
2024-10-06 11:23
Source:
Appendix 2：Chinese Standard Flange Summary Table GB/T9124.1-2019
Notes:
- *indicates that 4 bolt holes can also be used, which should be provided according to customer requirements.
- The flange size of PN10bar is equal to that of PN16bar when DN15～150.
Appendix 3：China Machinery Department Flange Summary Table JB/T79.1[2]-1994
Note: The red numbers in the table indicate the differences with the standard GB/T9124.1-2019 and the black numbers indicate the same
content as the standard GB/T9124.1-2019.
Appendix 4：China Chemical Industry Standard Flange Summary Table HG/T20592-2009
Notes:
- *means it can also use 4 bolt holes, should be provided according to users´ requirements.
- The red color number in table is different with GB/T9124-2019 standard, the black color number is same as GB standard.
Appendix 5：American Standard Flange Dimension Summary Table ANSI B16.5-2009
Appendix 6：Japanese Standard Flange Connection Summary Table JIS B2220-2012\
Appendix 7：German Flange Connection Summary Table DIN 2633～2638
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