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This document specifies methods for the testing and rating of dampers and valves used in air distribution systems with pressure differences up to 2 000 Pa. The responsible German standardization committee is Working Committee NA 041-02-52 AA "Komponenten (SpA CEN/TC 156/WG 3 und 4)" ("Components (Mirror Committee of CEN/TC 156/WG 3 and 4)") at DIN Standards Committee Heating and Ventilation Technology and their Safety (NHRS).
This document replaces DIN EN 1751:2014-06 .