IEC 60534-2-4:1989
Industrial-process control valves; part 2: flow capacity; section four: inherent flow characteristics and rangeability

Standard No.

IEC 60534-2-4:1989

Release Date

1989

Published By

International Electrotechnical Commission (IEC)

Status

Be replaced 2009-05

Replace By

IEC 60534-2-4:2009

Latest

IEC 60534-2-4:2009

Scope

Gives terms and definitions. Defines how to state typical control valve inherent flow characteristics and inherent rangeabilities. Defines also how to establish criteria for adherence to manufacturer-stated flow characteristics.

IEC 60534-2-4:1989 history

• 2009 IEC 60534-2-4:2009 Industrial-process control valves - Part 2-4: Flow capacity - Inherent flow characteristics and rangeability
• 1989 IEC 60534-2-4:1989 Industrial-process control valves; part 2: flow capacity; section four: inherent flow characteristics and rangeability