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ISO 3822-4:1997

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 has been reviewed and then confirmed in 2013 
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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.


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