NF EN ISO 9300:2005现行
Measurement Of Gas Flow By Means Of Critical Flow Venturi Nozzles
出版：Association Francaise de Normalisation
专家解读视频
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. It also gives the information necessary for calculating the flow-rate and its associated uncertainty.
Indice de classement: X10-150. PR NF EN ISO 9300 December 2003. (12/2003)
UNE EN ISO 9300:2006 - Identical
SS EN ISO 9300 Ed. 2 (2005) - Identical
ISO 9300:2005 - Identical
NS EN ISO 9300 Ed. 2 (2005) - Identical
UNI EN ISO 9300:2005 - Identical
I.S. EN ISO 9300:2005 - Identical
NBN EN ISO 9300:2005 - Identical
DIN EN ISO 9300 (2005-11) - Identical
ONORM EN ISO 9300:2005 - Identical
BS EN ISO 9300:2005 - Identical
NEN EN ISO 9300:2005 - Identical
SN EN ISO 9300:2005 - Identical
