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IEC 60534-8-2:1991 ed1.0
Industrial-process control valves - Part 8: Noise considerations - Section 2: Laboratory measurement of noise generated by hydrodynamic flow through control valves
33 стр.
Заменен
Электронный (pdf)Печатная копия
188.36 CHF (включая НДС 20%)
Разработчик:
Зарубежные/IEC
ICS:
23.060.40 Pressure. Including pressure-reducers / Регуляторы давления. Включая редукторы17.140.20 Noise emitted by machines and equipment / Шум от машин и оборудования25.040.40 Industrial process measurement and control / Измерение и контроль производственного процесса
Описание
Provides a method for measuring the sound-pressure level due to liquid flow through a control valve, and the characteristic increase in noise due to cavitation.