GB/T 1047-1995
Nominal size for pipe components (English Version)

Standard No.

GB/T 1047-1995

Language

Chinese, Available in English version

Release Date

1995

Published By

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

Status

Be replaced 2005-08

Replace By

GB/T 1047-2005

Latest

GB/T 1047-2019

Replace

GB 1047-1970

Scope

This standard specifies the definition, marking and series of nominal diameters of piping components. This standard applies to the nominal diameters of piping components used to convey fluids.

GB/T 1047-1995 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