000			00889nam a22001217a 4500
999			_c16233 _d16233
020			_a0580137805
245			_aBS 5944-4:1984-Measurement of airborne noise from hydraulic fluid power systems and components Part 4 : _bMethod of determining sound power levels from valves controlling flow and pressure
260			_aLondon : _bBritish Standards Institution, _c1984.
300			_a12 p.
505			_aDescribes procedures for the determination of sound power levels of a hydraulic fluid power valve under controlled conditions of installation and operation, suitable for providing a basis for comparing the noise levels of valves.
650			_aFlow regulators, Liquid valves, Cavitation, Free-field rooms, Hydraulically-operated devices, Hydraulic transmission systems, Sound intensity, Valves, Noise (environmental), Testing conditions, Acoustic measurement, Pressure regulators
942			_cST