VU120 - Rectangular smoke control damper.

Rectangular smoke control damper with superior airtight properties and a fire resistance up to 120 minutes.


  • Superior air tightness (tested at 1500 Pa)
  • Optimal free air passage and minimal pressure loss


  • Tested according to EN 1366-10
  • Compliant with BS EN 12101-8
  • Approved for installation in calcium-silicate ducts, Geostaff gypsum, Tecniver, Glasroc, Extha and concrete shafts.
  • Maintenance-free
  • For indoor use
  • Intermediate dimensions on request


  1. Connection flange PG30 on the side of the mechanism
  2. Simple flat finish (PS) duct/shaft side
  3. Casing made of refractory material
  4. Damper blade
  5. Operating mechanism
  6. Sealing and blade bumper
  7. Intumescent strip
  8. Transmission with locking (open/closed)
  9. Product identification