JB/T 79.3-1994 Tongue and groove surface integral cast steel pipe flange

This standard replaces JB 79-59. This standard specifies the types and dimensions of tongue-and-groove integral cast steel pipe flanges with nominal pressures PN of 4.0, 6.3, and 10.0MPa. This standard applies to tongue-and-groove integral cast steel pipe flanges with nominal pressures PN4.0~10.0MPa. JB/T 79.3-1994 Tongue and groove surface integral cast steel pipe flange JB/T79.3-1994 Standard download and decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
Simple groove surface integral cast steel pipe flange
Subject content and scope of application
JB/T 79.3
Replaces 3379-59|| tt | Standard for Grooved Surface Integral Cast Steel Pipe Method No. 2
Pipeline Flange Technical Conditions
JB/T74
3 The type and size of the flange should comply with Figure 1 and Table 1~ According to the provisions of Table 3, the technical requirements of D
Figure 1
4 flange are in accordance with the provisions of JB/T74. 5 The nominal pressure of the flange and the maximum allowable pressure at different temperatures 1. The operating pressure is in accordance with the provisions of Appendix B of JB/T74, approved by the Ministry of Machinery Industry of the People's Republic of China on 1994-12-09 and implemented in 1995.1007
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