GB/T 1047-2005
Pipework components-Definition and selection of DN (nominal size) (English Version)

Standard No.

GB/T 1047-2005

Language

Chinese, Available in English version

Release Date

2005

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2019-10

Replace By

GB/T 1047-2019

Latest

GB/T 1047-2019

Replace

GB/T 1047-1995

Scope

This standard specifies the definition and series of DN (nominal dimensions). This standard applies to piping elements specified in relevant standards using the DN designation.

GB/T 1047-2005 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