JB/T 6381.2-2007
Welding cone couplings straight male stud couplings with G-type pipe threads (English Version)

Standard No.

JB/T 6381.2-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Machinery

Latest

JB/T 6381.2-2007

Replace

JB/T 6381.2-1992

Scope

This part of JB/T 6381 specifies the type, size and technical conditions of cone seal welded straight through 55° non-sealed pipe threaded pipe joints. This section is applicable to cone seal welded straight-through 55° non-sealed pipe threaded pipe joints in pipeline systems using oil and gas as media. Nominal pressure PN≤31.5MPa, working temperature -25℃～+80℃.

JB/T 6381.2-2007 Referenced Document

• GB/T 3452.1-2005 Fluid power systems-O-rings-Part 1:Inside diameters,cross-sections,tolerances and size identification code
• JB/T 6386 Specification of welding cone couplings

JB/T 6381.2-2007 history

• 2007 JB/T 6381.2-2007 Welding cone couplings straight male stud couplings with G-type pipe threads
• 1992 JB/T 6381.2-1992 Cone seal welded straight through cylindrical pipe threaded pipe joint