IEC 60534-2-4:2009 ED2

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

Publication date:   May 13, 2009

General information

60.60 Standard published   May 13, 2009

IEC

TC 65/SC 65B

International Standard

23.060.40   Pressure regulators | 25.040.40   Industrial process measurement and control

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60534-2-4:1989 ED1

NOW

PUBLISHED
IEC 60534-2-4:2009 ED2
60.60 Standard published
May 13, 2009