This standard specifies the types and dimensions of ring-connected face-welded steel pipe flanges with nominal pressures PN of 6.3, 10.0, 16.0, and 20.0 MPa. This standard is applicable to ring-connected and face-welded steel pipe flanges with nominal pressures PN6.3~20.0 MPa. JB/T 82.4-1994 Ring connection face welding steel pipe flange JB/T82.4-1994 Standard download and decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
Ring connection face welding steel pipe flange
Subject content and scope of application
IB/T 82.4-: 94
Replaces JB82 -59
This standard specifies the type and size of ring-connected face-welded steel pipe covers with nominal pressures PN 6.3, 10.0.16.0, and 20.0MPa. This standard is applicable to nominal pressures PN6.3~20.0MPa. Ring connection face welded steel pipe Fayi 2 reference standard recommendation
Pipeline flange technical conditions
JB/ 74
3 The type and size of the flange should comply with Figure 1 and The provisions of Tables 1 to 4. N | | tt | |: | etc., but not limited by the tolerance of dimension E, it is allowed to use the completely flat and round shape as shown by the dotted line. Figure 1
The technical requirements for flange are in accordance with the provisions of JB/T74 4
flange The nominal pressure and the maximum allowable working pressure at different temperatures are in accordance with the provisions of Appendix B of JB/T74 5 | Connection face welding steel pipe making method cover: Flange 300-100JB/T 82.4-94
Nominal diameter 300mm, nominal pressure 10.0MPa, ring connection face welding steel pipe making method called series 1 Base: Flange 300-100 (Series 1) JB/T82.4-·94 Ministry of Machinery Industry of the People's Republic of China approved on 1994-12-09 for implementation on 1995.10-01
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