Acoustics. Laboratory tests on noise emission from appliances and equipment used in water supply installations. Mounting and operating conditions for special appliances|Water supply (buildings), Water supply, Noise (environmental), Acoustic measurement, Sound intensity, Water valves, Mixing valves, Ball cocks, Valves, Flushing cisterns, Seatings, Pipes, Water, Water heaters, Instantaneous water heaters, Storage water heaters, Pipe fittings, Pipe connections, Reports, Flow rates, Calibration, Testing conditions, Pressure