BDK Shut-off damper
Shut-Off dampers are installed in circular ventilation ductwork installations where the ductwork crossed fire walls to prevent the propagation of fire.
Dampers are tested in accordance to EN 1366-2 and certified as EI60(ve i→o)S & EI120(ve i→o)S
Available sizes: ⦰100 to ⦰200
FC, End switch.
GPD, Extract valve and mounting frame.
AM, Mounting ring