Industrial-process control valves - Part 2-4: Flow capacity - Inherent flow characteristics and rangeability
|Publication Date:||1 July 2009|
|ICS Code (Pressure regulators):||23.060.40|
|ICS Code (Industrial process measurement and control):||25.040.40|
This part of IEC 60534 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.