GB/T 1415-2008 Active
GB/T 1415-2008 Metric threads where pressure-tight joints are made on the threads
Abstract
This standard specifies the tooth angle of 60°, the tooth profile, basic dimensions, tolerances, and markings of metric sealing threads. There are two types of internal threads: conical internal threads and cylindrical internal threads, while there is only one type of external thread: conical external threads. Internal and external threads can form two types of sealing fits: a "cone/cone" fit between conical internal threads and conical external threads; and a "cylinder/cone" fit between cylindrical internal threads and conical external threads. This standard applies to general sealing thread connections on products such as pipes, valves, pipe fittings, and plug valves. When assembling, it is recommended to add suitable sealing media, such as sealing tape and sealing glue, into the thread pair.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 1415-2008 |
| CCS | Basic standards and general methods |
| ICS | Special screw threads |
| Implement Date | 2009-02-01 |