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
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Mechanical Industry Standard of the People's Republic of China JB/T6381.3-1992 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 GB1414wwW.bzxz.Net 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 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.