CFDM fire dampers are diaphragms in ducted ventilation systems that prevent the spread of fire and products of combustion from one fire segment to another by closing the air duct at points of fire separation structures. The damper diaphragm automatically closes the air duct with a closing spring.
PMP-A Cadre d’adaptation plat
Adaptation frame for installation with BMV PRO fan, if PDI/T roof base can’t be installed.
