Acoustics — Laboratory tests on noise emission from appliances and equipment used in water supply installations — Part 4: Mounting and operating conditions for special appliances
声学——供水装置中使用的器具和设备的噪声排放实验室试验第4部分:特殊器具的安装和操作条件
发布日期:
1997-02-13
给出了测量水流产生的噪声排放时,许多直列式阀门和设备的安装和操作条件。取代第一版。
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.