I.S. EN ISO 9300:2005現行
Measurement Of Gas Flow By Means Of Critical Flow Venturi Nozzles
出版：National Standards Authority of Ireland
專家解讀視頻
Defines 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.
NF EN ISO 9300:2005 - Identical
UNI 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
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
