Fire, smoke and radiation damper installation guide for HVAC systems
the supplementary air flow damper having the function of supplying separately leakage air flow and supplementary air flow), it is possible to more properly maintain the differential pressure formed between the lobby and the accommodation, and to provide safety evacuation conditions when a fire occurs....
The plurality of blade parts is installed inside the damper body part, is connected to the damper body part by a rotating shaft, and varies the opening rate for an air outlet by controlling the installation angle by the rotating shaft. The driving part is connected to the rotating shaft by...