This European Standard specifies laboratory methods for testing flowrate and noise production of exhaust and supply air terminal devices operating under pressure differences. It applies to devices used in mechanical systems and passive stack systems. The device may be one of the following - device with a manually adjustable opening or, - device with a fixed opening or, - pressure difference controlled device.
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
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