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.