NT FIRE 010：挡火墙，阻止火焰传播的效率
NT FIRE 010：Fire dampers，Efficiency to prevent fire spread
This NORDTEST method specifies a test method to determine the efficiency of fire dampers to prevent fire from spreading through ventilation ducts. The test method described is intended for fire dampers which automatically close due to excessive heat by means of a releasing
mechanism.
mechanism.
