MARKAGE MB-1S - Rectangular Multi MA smoke control damper suitable for installation in a wall or a refractory duct.

Smoke control damper with collar for dry installation.


  • Large number of installation options
  • Can be activated with a bus communication module
  • Large dimensions
  • Version available for dry installation
  • Superior air tightness (tested at 1500 Pa)


  • Compliant with EN 12101-8
  • Tested according to EN 1366-10 and EN 1366-2
  • Suitable for installation in rigid wall and refractory ducts
  • Maintenance-free
  • For indoor use


  1. Actuator compartment (+ communication module)
  2. Actuator
  3. Damper blade mechanism
  4. Damper blade
  5. Damper housing
  6. Access hatch