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Reference IEC 60534-2-1 ed2.0 withdrawn corrigendum
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Title Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions
Publication date 2011-03-30
Format, price
(Swiss francs)
and language
250.- 111 pages
250.- 1754 Kb
 
Abstract IEC 60534-2-1:2011 includes equations for predicting the flow of compressible and incompressible fluids through control valves. The equations for incompressible flow are based on standard hydrodynamic equations for Newtonian incompressible fluids. They are not intended for use when non-Newtonian fluids, fluid mixtures, slurries or liquid-solid conveyance systems are encountered. The equations for incompressible flow may be used with caution for non-vaporizing multi-component liquid mixtures. This second edition cancels and replaces the first edition published in 1998. This edition constitutes a technical revision. It includes the following significant technical changes with respect to the previous edition:
- the same fundamental flow model, but changes the equation framework to simplify the use of the standard by introducing the notion of Δpsizing;
- changes to the non-turbulent flow corrections and means of computing results;
- multi-stage sizing as an Annex.
Technical Committee 65B - Measurement and control devices  RSS
ICS Codes
23.060.40 Pressure regulators
*Including pressure-reducers
*Protection against excessive pressure, see 13.240

25.040.40 Industrial process measurement and control
 
Replaced by
Stability date 2016
 
Work in progress
ProjectStage codeForecast publication date
No project under development--


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