SDD

Duct mounted shutt-off dampers

• Duct mounted shut*off dampers type 4 and damper actuator 24 V with spring return.
• The damper closes in the event of a power failure or alarm when a risk of freezing exists.
• The damper actuator is electrically connected to a CASA SET*module.
• SET module and 24 V adapter is ordered separately as required.