ISO 9300:2005
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ISO 9300:2005
34272

Abstract 

ISO 9300:2005 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. It is applicable to Venturi nozzles in which the gas flow accelerates to the critical velocity at the throat (this being equal to the local sonic velocity), and only where there is steady flow of single-phase gases.


General information 

  •  :  Withdrawn
     : 2005-08
  •  : 2
     : 38
  •  : ISO/TC 30/SC 2 Pressure differential devices
  •  :
    17.120.10 Flow in closed conduits

Life cycle


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