HG/T 2138-2022
Glass lined concentric reducers, eccentric reducers and reducing flanges (English Version)

Standard No.

HG/T 2138-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

工业和信息化部

Latest

HG/T 2138-2022

Replace

HG/T 2138-2015 HG/T 2139-2015 HG/T 2140-2015

HG/T 2138-2022 history

• 2022 HG/T 2138-2022 Glass lined concentric reducers, eccentric reducers and reducing flanges
• 2015 HG/T 2138-2015 Glass lining concentric reducer
• 2009 HG/T 2138-2009 Glass lined concentric pipes
• 1970 HG/T 2138-1991 Glass-lined concentric reducer