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Norm
IEC 60534-2-4:2009 Ed. 2.0
Ausgabedatum: 2009 05 13
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 ran...
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Herausgeber:
International Electrotechnical Commission
Format:
Digital | 20 Seiten
Sprache:
Englisch
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.
- 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.
IEC 60534-2-4:2009 Ed. 2.0
2009 05 13
Industrial-process control valves - Part 2-4: Flow capacity - Inherent flow characteristics and rang...
Norm
↖
IEC 60534-2-4:1989 Ed. 1.0
1989 10 15
Industrial-process control valves. Part 2: Flow capacity. Section Four: Inherent flow characteristic...
Norm