Ruskin Smoke and Fire Damper


Product Description

The FSD37SS Combination Fire/Smoke Damper is both UL555 and UL555S Classified.  It is rated as a 1 1/2 hour fire damper and a Leakage Class I Smoke Damper.  It features:

  • Triple V-Groove Blades.
  • Maximum rating of 2,000 fpm and 4″ w.g.
  • UL approval for dual directional airflow.
  • Failsafe design, which enables the damper to automatically assume the desired position when fire or smoke (if smoke detector is present) interrupts operational power.
  • Controlled closure in not less than 3 seconds and no more than 15 seconds to prevent HVAC and duct damage.
  • Automatic remote reset after test, smoke detection or power failure conditions.
    Stainless steel construction.

Product Details