GB/T 1047-2019
Pipework components—Definition and selection of nominal size (English Version)

Standard No.

GB/T 1047-2019

Language

Chinese, Available in English version

Release Date

2019

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 1047-2019

Replace

GB/T 1047-2005

Scope

This standard gives the definition of the nominal size of piping system components and specifies the nominal size series used for piping components. This standard applies to pipe components whose nominal name is marked with DN.

GB/T 1047-2019 history

• 2019 GB/T 1047-2019 Pipework components—Definition and selection of nominal size
• 2005 GB/T 1047-2005 Pipework components-Definition and selection of DN (nominal size)
• 1995 GB/T 1047-1995 Nominal size for pipe components
• 0000 GB 1047-1970