ISO 3822-4:1997 Preview
Acoustics -- Laboratory tests on noise emission from appliances and equipment used in water supply installations -- Part 4: Mounting and operating conditions for special appliances
This standard was last reviewed and confirmed in 2013. Therefore this version remains current.
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.