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Homepage>BS EN 60534-2-4:2009 Industrial-process control valves Flow capacity. Inherent flow characteristics and rangeability

BS EN 60534-2-4:2009

Industrial-process control valves Flow capacity. Inherent flow characteristics and rangeability

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Označení normy:	BS EN 60534-2-4:2009
Počet stran:	14
Vydáno:	2010-05-31
ISBN:	978 0 580 60150 7
Status:	Standard

DESCRIPTION

BS EN 60534-2-4:2009

This standard BS EN 60534-2-4:2009 Industrial-process control valves is classified in these ICS categories:

23.060.40 Pressure regulators
25.040.40 Industrial process measurement and control

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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