BS EN ISO 9300:2005现行
Measurement of gas flow by means of critical flow Venturi nozzles
出版：British Standards Institution
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.
© British Standards Institution 2013
UNE EN ISO 9300:2006 - Identical
SS EN ISO 9300 Ed. 2 (2005) - Identical
SN EN ISO 9300:2005 - Identical
ISO 9300:2005 - Identical
NS EN ISO 9300 Ed. 2 (2005) - Identical
NF 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
NEN EN ISO 9300:2005 - Identical
UNI EN ISO 9300:2005 - Identical
