GB/T 7306.2-2000
Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads Part 2:Taper internal and external threads (English Version)

Standard No.: GB/T 7306.2-2000
Language: Chinese, Available in English version
Release Date: 2000
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 7306.2-2000
Replace: GB/T 7306-1987

Scope: This standard specifies the tooth profile, dimensions, tolerances and markings of conical internal and external conical threads with a thread angle of 55° and the thread pair itself has sealing properties. This standard applies to the threaded connections of pipes, valves, pipe joints, cocks and other pipeline accessories. It is allowed to add suitable sealing medium in the thread pair, such as wrapping tape on the thread surface, applying sealant, etc.

GB/T 7306.2-2000 history

2000 GB/T 7306.1-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads Part 1:Parallel internal and taper external threads
0000年 GB/T 7306-1987