IEC-60534-2-4 › Industrial-process control valves - Part 2-4: Flow capacity - Inherent flow characteristics and rangeability

IEC-60534-2-4 - EDITION 2.0 - CURRENT


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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.
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Document Number

IEC 60534-2-4 Ed. 2.0 b:2009

Revision Level

EDITION 2.0

Status

Current

Publication Date

May 1, 2009

Committee Number

65B