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IEC 60534-2-4:1989 ed1.0
Industrial-process control valves. Part 2: Flow capacity. Section Four: Inherent flow characteristics and rangeability
15 стр.
Заменен
Электронный (pdf)Печатная копия
32.76 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
23.060.40 Pressure. Including pressure-reducers / Регуляторы давления. Включая редукторы25.040.40 Industrial process measurement and control / Измерение и контроль производственного процесса
Описание
Defines how to state typical control valve inherent flow characteristics and inherent rangeabilities. Also defines how to establish criteria for adherence to manufacturer's stated flow characteristics.