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IEC 60534-8-4:2005 ed2.0

Заменен
Industrial-process control valves - Part 8-4: Noise considerations - Prediction of noise generated by hydrodynamic flow — 55 стр.
establishes a method to predict the noise generated in a control valve by liquid flow and the resulting noise level measured downstream of the valve and outside of the pipe. The contents of the corrigendum of February 2006 have been included in this copy.
ICS
23.060.40 Pressure. Including pressure-reducers / Регуляторы давления. Включая редукторы
17.140.20 Noise emitted by machines and equipment / Шум от машин и оборудования
25.040.40 Industrial process measurement and control / Измерение и контроль производственного процесса