Name: IEC 60534-2-4 Ed. 2.0 b PDF - Engineering Standards Download
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IEC 60534-2-4 Ed. 2.0 b PDF

Industrial-process control valves – Part 2-4: Flow capacity – Inherent flow characteristics and rangeability

Published by	Publication Date	Number of Pages
IEC	05/13/2009	20

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Category: IEC

IEC 60534-2-4 Ed. 2.0 b – Industrial-process control valves – Part 2-4: Flow capacity – Inherent flow characteristics and rangeability

IEC 60534-2-4:2009 applies to all types of industrial-process control valves. It defines how to state typical control valve inherent flow characteristics and inherent rangeabilities. It also defines how to establish criteria for adherence to manufacturer-stated flow characteristics. This edition constitutes a technical revision. The main changes with respect to the previous edition are:
– update the normative references;
– delete the terminology included in IEC 60534-1;
– transform the previous Note 1 in Clause 6;
– redraw the graphics;
– delete the previous Figure 3.