This standard specifies the classification of cone seal welded straight-through conical pipe threaded pipe fittings. JB/T 6381.3-1992 Cone seal welded straight-through cylindrical pipe threaded pipe fittings JB/T6381.3-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T6381.3-1992bZxz.net
Cone Seal Welding Straight Taper Pipe Thread Pipe Fittings 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 Welding Straight Taper Pipe Thread Pipe Fittings 1 Subject Content and Scope of Application
This standard specifies the classification of cone seal welded straight taper pipe thread pipe fittings. JB/T6381.3-1992
This standard is applicable to cone seal welded straight taper pipe thread pipe fittings in pipeline systems with oil and gas as the medium. Nominal pressure PN≤16MPa, working temperature -25~+80℃.
: Reference standards
GB1414
GB2346
GB2878
GB5865
JB/T6386
3 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 joints
The types and dimensions of cone seal welded straight-through cone pipe thread joints shall be as specified in the drawings and tables. 3.1
Approved by the Ministry of Machinery and Electronics Industry on July 14, 1992 and implemented on July 1, 1993
Outer diameter of pipe
Marking method
Pipe joint
Marking example:
JB/T6381.3
JB/T6381.31992
Standard No.
Outer diameter of pipe, mm
Product name
Outer diameter of pipe D. Cone seal welded straight-through conical pipe threaded pipe joint with a pipe outer diameter of 20 mm: Pipe joint
JB/T 6381.3
Technical conditions
The technical conditions of cone seal welded straight-through conical pipe threaded pipe joints shall comply with the provisions of JB/T6386. Additional Notes:
This standard was proposed and managed by the Xi'an Heavy Machinery Research Institute of the Ministry of Machinery and Electronics Industry. This standard was drafted by the Xi'an Heavy Machinery Research Institute of the Ministry of Machinery and Electronics Industry. The main drafter of this standard was Zhao Hongzhang.
O-ring
11.2×1.8
11.8×2.65
23.6×2.65
36.5×2.65
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