标准摘要
[中文适用范围]： 给出了在测量水流产生的噪声排放时用于许多在线阀门和设备的安装和操作条件。 取代第一版。 [外文原描述]： Gives the mounting and operating conditions to be used for a number of in-line valves and appliances, when measuring the noise emission resulting from water flow. Replaces the first edition.
英文名称Acoustics — Laboratory tests on noise emission from appliances and equipment used in water supply installations — Part 4: Mounting and operating conditions for special appliances