This standard specifies the classification of cone seal welded straight pipe joints. JB/T 6381.1-1992 Cone seal welded pipe joints JB/T6381.1-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T 6381.1-1992
Cone Seal Welding Straight Pipe Joint
Published on July 14, 1992
Implementation by the Ministry of Machinery and Electronics Industry of the People's Republic of China on July 1, 1993
Mechanical Industry Standard of the People's Republic of China
Cone Seal Welding Straight Pipe Joint
1 Subject Content and Scope of Application
This standard specifies the classification of cone seal welding straight pipe joints JB/T6381.1-1992
This standard applies to cone seal welding straight pipe joints in pipeline systems with oil and gas as the medium. Nominal pressure PN≤31.5MPa, working temperature -25~+80℃.
Cited standards
GB1414
GB2346
GB2878
GB5865
JB/T6386
Product categories
Ordinary thread size series for pipe screw-in ends Hydraulic and pneumatic systems and components Nominal pressure series Hydraulic and pneumatic systems and components Oil (gas) port connection thread size Lubrication system and components Basic parameters
Technical conditions for cone seal welded pipe jointsbZxz.net
The types and dimensions of cone seal welded straight-through pipe joints shall be as specified in the drawings and tables. S
Outer diameter of pipe
M27×2
M33×2
M42×2
M48×2
Approved by the Ministry of Machinery and Electronics Industry on July 14, 1992d
O-ring seal drawing
11.2×1.8
11.8×2.65
23.6×2.65
36.5×2.65
Implemented on July 1, 1993
Marking method||t t||Pipe fitting
3.3 Marking example:
JB/T6381.1
JB/T6381.11992
Standard number
Pipe outer diameter, mm
Product name
Cone seal welded straight pipe fitting with pipe outer diameter D of 20mm: Pipe fitting
20JB/T6381.1
Technical conditions
The technical conditions of cone seal welded straight pipe fittings shall comply with the provisions of JB/T6386. Pipe outer diameter
Additional instructions:
M27×2
M33×2
M42×2
M48×2
JB/T6381.11992
Connection dimensions of cone seal welded straight 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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