This standard specifies the classification of cone seal welded straight cylindrical pipe threaded pipe fittings. JB/T 6381.2-1992 cone seal welded straight cylindrical pipe threaded pipe fittings JB/T6381.2-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T 6381.2-1992
Cone-seal welded straight cylindrical pipe threaded pipe joints 1992-07-14 Issued
Implementation of the Ministry of Machinery and Electronics Industry of the People's Republic of China on 1993-07-01
Mechanical Industry Standard of the People's Republic of China
Cone-seal welded straight cylindrical pipe threaded pipe joints 1 Subject content and scope of application
This standard specifies the classification of cone-seal welded straight cylindrical pipe threaded pipe joints. JB/T6381.2-1992
This standard is applicable to cone-seal welded straight cylindrical pipe threaded pipe joints in pipeline systems with oil and gas as the medium. Nominal pressure PN≤31.5MPa, working temperature -25~+80℃.
Cited standardswwW.bzxz.Net
GB1414
GB2346
GB2878
GB5865
JB/T6386
3Product categories
Ordinary thread size series for pipe screw-in endsHydraulic and pneumatic systems and componentsNominal pressure seriesHydraulic and pneumatic systems and componentsOil (gas) port connection thread sizeBasic parameters of lubrication systems and components
Technical conditions for cone seal welded pipe joints
The type and size of cone seal welded straight cylindrical pipe joints shall be in accordance with the provisions of the drawings and tables. S
Tube outer diameter
Approved by the Ministry of Machinery and Electronics Industry on July 14, 199212
O-ring
23.6×2.65
34.5×2.65
43.7×2.65
11.2×1.8
11.8×2.65
23.6×2. 65
36.5×2.65
1993-07-01 implementation
Marking method
Pipe fitting
3.3 Marking example:
JB/T6381.2
JB/T6381.21992
Standard number
Pipe outer diameter, mm
Product name
Conical seal welded straight cylindrical pipe threaded pipe fitting with pipe outer diameter D of 20 mm ：Pipe joints
20JB/T6381.2
Technical conditions
Technical conditions for cone seal welded straight cylindrical pipe threaded pipe joints According to the provisions of JB/T6386, the outer diameter of the pipe
Additional instructions:
JB/T6381.21992
Connection dimensions of cone seal welded straight cylindrical pipe threaded pipe joints (supplementary parts)
This standard is proposed and managed by the Xi'an Heavy Machinery Research Institute of the Ministry of Machinery and Electronics Industry. This standard is drafted by the Xi'an Heavy Machinery Research Institute of the Ministry of Machinery and Electronics Industry. The main drafter of this standard is Zhao Hongzhang.
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