GB/T 21188-2007

GB/Z 33902-2017 Measurement of fluid flow by means of pressure differential devices—Guidelines on the effect of departure from the specifications and operating conditions given in GB/T 2624 and the correction methods GB/Z 33875-2017 Guidelines for the use of GB/T 2624—2006 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 GB/Z 35588-2017 Measurement of wet gas flow by means of pressure differential devices inserted in circular cross-section conduits GB/Z 44813-2024 Measurement of fluid flow in closed conduits—Effects of flow pulsations on flow-measurement instruments GB/T 1314-1991 Basic parameters for flow measuring instruments GB/T 17613.1-1998 Measurement of liquid flow in closed conduits by weighing method--Procedures for checking installations--Part 1:Static weighing systems GB/T 17612-1998 Measurement of liquid flow in closed conduits--Weighing method