This standard replaces JB 79-59. JB/T 79.2-1994 Concave and convex integral cast steel pipe flange JB/T79.2-1994 Standard download and decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
Concave and convex integral cast steel pipe flange
Theme content and scope of application
IB/T 79.2.9
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This standard specifies the type and size of the integral cast steel flange with a nominal pressure PN of 4.0.6.3.10.0.16.0 and 20.0MPa.
This standard applies to concave and convex integral cast steel pipe flanges with a nominal pressure of PN4.020.0MPa 2 reference standards
JB/T74 pipe flange technical conditions
3 flanges The type and size should comply with the requirements in Figure 1 and Tables 1 to 5. D
Figure 1
4 flange technical requirements are in accordance with JB/T74. 5. The nominal pressure of the flange and the maximum allowable operating pressure at different temperatures are in accordance with the provisions of Appendix B of JB/T7A. The Ministry of Machinery Industry of the People's Republic of China approved the implementation on 1995-10-01 on 1994-12-01
339
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