Welded ball valve for urban heating
Welded ball valve for urban heating, Total:2 items.
The international standard classification for "Welded ball valve for urban heating" includes: Central heating systems .
The Chinese standard classification for "Welded ball valve for urban heating" includes: Heat supply and heating engineering .
国家市场监督管理总局、中国国家标准化管理委员会
- GB/T 37827-2019 Welded ball valve for urban heating
Group Standards of the People's Republic of China
- T/HNFM 001-2023 Welded eccentric semi-ball valve for urban heatin