Chongqing Provincial Standard of the People's Republic of China
Latest
DB50/T 540-2014
Scope
This standard is applicable to the quality, volume and energy measurement of gas flow in closed pipelines with artificial gas, natural gas, and liquefied petroleum gas, and the working pressure does not exceed 50kPa.
DB50/T 540-2014 history
2014DB50/T 540-2014 Microelectronic Thermal Mass Gas Flow Meter