Standard

NEN-ISO 21925-1:2019 en

Fire resistance tests - Fire dampers for air distribution systems - Part 1: Mechanical dampers

144,92 175,35 Incl BTW

About norm

Status Current
Number of pages 39
Committee Brandveiligheidsaspecten bouwproducten en bouwdelen
Published on 01-01-2019
Language English
NEN-ISO 21925-1 specifies a test method for the determination of the resistance of fire dampers to heat, and for the evaluation of their ability to prevent fire and smoke spreading from one fire compartment to another through an air distribution system. It is applicable to mechanical fire dampers. It is not intended to be used for dampers used only in smoke control systems, for testing fire protection devices which only deal with air transfer applications, or for dampers used in suspended ceilings, as the installation of the damper and duct can have an adverse effect on the performance of the suspended ceiling, requiring other methods of evaluation.

Details

ICS-code 13.220.50
Dutch title Bepaling van de brandwerendheid - Brandkleppen voor luchtverdeelsystemen - Deel 1: Mechanische brandkleppen
English title Fire resistance tests - Fire dampers for air distribution systems - Part 1: Mechanical dampers

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