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Smoke Damper SDRS25 - Class I, True Round
Ruskin

Smoke Damper SDRS25 - Class I, True Round

The SDRS25 is a UL555S Classified round smoke damper. It is Leakage Class I classified and features:

  • UL555S Class I.
  • Maximum rating of 4,000 fpm and 4" w.g. max 
  • Extremely tight shut-off.
  • Stops the leakage of smoke in static and dynamic smoke systems.
  • Easy installation.
  • Readily connects to round spiral or flexible ductwork.
Specification
  • The SDRS25 is a UL555S Classified round smoke damper. It is Leakage Class I classified and features:

    • UL555S Class I.
    • Maximum rating of 4,000 fpm and 4" w.g. max 
    • Extremely tight shut-off.
    • Stops the leakage of smoke in static and dynamic smoke systems.
    • Easy installation.
    • Readily connects to round spiral or flexible ductwork.
Technical specification
  • Unique ref.rd-00317-018
  • Product familySmoke Dampers
  • Product groupSmoke Dampers
  • TypeObject (single object)
  • Date of publishing2009-09-09
  • Edition number1
Classification
  • BIMobject CategoryFire Products - Smoke Ventilation

Region availability

North America
United States