IEC 60534-2-4:2009 

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


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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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Relevant for

water management

smart city

Additional information

Publication typeInternational Standard
Publication date2009-05-13
Available language(s)English/French
TC/SCTC 65/SC 65B - Measurement and control devicesrss
ICS23.060.40 - Pressure regulators
25.040.40 - Industrial process measurement and control
Stability date  2023
File size987 KB

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