China 'GB/Z 35140-2017
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/Z 35140-2017
Measurement of fluid flow by means of pressure-differential devices—Guidelines for the specification of orifice plates, nozzles and Venturi tubes beyond the scope of GB/T 2624 用差压装置测量流体流量 GB/T 2624范围之外的孔板、喷嘴和文丘里管的使用指南
Issued Date:2017
Implemented Date:2017
Issued by:
The Standardization Administration of the People's Republic of China