ISO 9300 : 2005(R2015)现行
MEASUREMENT OF GAS FLOW BY MEANS OF CRITICAL FLOW VENTURI NOZZLES
出版：International Organization for Standardization
专家解读视频
This International Standard specifies the geometry and method of use (installation in a system and operating conditions) of critical flow Venturi nozzles (CFVN) used to determine the mass flow-rate of a gas flowing through a system.
PN EN ISO 9300 : 2008 - Identical
NBR ISO 9300 : 2008 - Identical
SS-EN ISO 9300 : 2005 - Identical
BS 1042-1.3(1991) : 1991 AMD 8878 - Identical
DS EN ISO 9300 : 2007 - Identical
