Fusible Link Fire Damper With Sleeve Model FLD-S-UD F

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Reference ACFSP Category Air Damper
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Fusible Link Fire Damper With Sleeve Model FLD-S-UD F

Reference ACFSP Category Air Damper

Specifications

Blade Type Triple V Type Parallel Configuration
Sleeves Factory Fitte inimum 508mm long 20Ga 180 GSM Galvanized Steel sheet
Frame Type Hat Channel 123mm wide
Frame MOC Galvanized Steel 16Ga 180 GSM
Blade MOC Galvanized Steel 16Ga 180 GSM
Axle Bush Bronze Bush pressed into Frame
Blade Axle (Shaft) MOC Zinc Plated Steel 9.5mm Square Bar
Linkage Tie Bar In Frame
Linkage MOC 3mm Galvanized Steel Tie Bar
Return Spring Stainless Steel
Temperature Release Device UL Stamped Fusible Link 74 Deg C (Std)

Key Features

  • fire rating under Dynamic conditions.
  • It features a failsafe design which enables the damper to automatically assume the closed position when the duct temperature reaches the design temperature of the fusible link.
  • The Frame of the Damper is constructed with reinforced corners.

Product Details

Model FLD-S-UD is a UL 555 classified Fusible Link Multi Blade fire damper with 3V style blades. It is designed for the closure of the HVAC duct opening in Fire situations. It is UL555 classified for 90 min. Fire rating under dynamic conditions. It is designed for system velocity up to 2000fpm and pressures up to 4w.g. Model FLD-S-UDcan be installed vertically, with blades running horizontally with airflow in either direction.
  • Low profile Slim line frames in head and sill are used in sizes less than 425mm high.
  • Blades are reinforced with 3 longitudinal structurally designed Vees

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