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

BS EN 60534-2-4 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.

Contents of BS EN 60534-2-4:

Scope

Normative references

Terms and definitions

Symbols

Typical inherent flow characteristics