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SEDM-LMulti compartment smoke extraction damper

SEDM-L – Multi compartment smoke extraction damper allows usage in smoke extraction ducting systems. Suitable for heat and smoke extraction from several comparements at the same time.



  • Square multi-blade fire damper from 200 × 430 mm to 1 200 x 2 030 mm
  • CE certified acc. to EN 12101-8
  • Construction length only 250 mm
  • Tested in accordance with EN 1366-10
  • Classified acc. to EN 13501-4+A1
  • Fire resistance up to EI 120 S, activation AA/MA, HOT 400/30
  • Cycling test in class Cmod acc. to EN 12101-8
  • External Casing leakage class C,
    Internal leakage class 3 acc. to EN 1751
  • Damper actuating by electrical actuator
  • Max. air speed in the system of 12 m/s, allowed pressure up to 500Pa, or underpressure up to -1000 Pa