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IEC 60534-8-4:1994 ed1.0

Заменен
Industrial-process control valves - Part 8: Noise considerations - Section 4: Prediction of noise generated by hydrodynamic flow — 25 стр.
Permits designers and operators of industrial-process plants to determine the noise generated by hydrodynamic flow through control valves. The sound power emitted into the pipe as well as the airborne noise emitted by the valve and piping system can be predicted.
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