IGI lebanon
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IGI Cataloque

  Acess Door   Round Volume Damper
  Back Draft Damper   Sound Attenuator
  Duct   Volume Damper
  Plenum Box   Fire Damper

Fire Damper
Available in horizontal & vertical mount. V. mount are gravity operated, 1½ hr fire resistance ratings. H. mount are spring operated with a blade lock for positive closure. Fusible links is UL (Duero Dyne)close automatically when temperature reaches 74ºc.
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