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BRK-JMultiblade smoke extraction damper

BRK-J – 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.

Characteristics

  • Square dampers from 100 × 150 mm to 1000 x 1050 mm
  • CE certified acc. to EN 12101-8
  • Tested in accordance with EN 1366-10
  • Classified acc. to EN 13501-4+A1 as EIS 90, HOT400/30, actuating AA for multi Fire Compartment
  • Cycling test in class C 10 000 acc. to EN 12101-8
  • External Casig leakage class B,
    Internal leakage class 2 acc. to EN 1751
  • Damper actuating by electrical actuator
  • Max. air speed in the system of 15 m/s, allowed pressure up to 500 Pa, or under pressure up to -1000 Pa