usible-link-fire-damper-with-sleeve-model-fld-s-ud-f-39015

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

Name: Fusible Link Fire Damper With Sleeve Model FLD-S-UD F
Brand: EnvMart
SKU: ACFSP
Availability: InStock

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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.

Reference ACFSP Category Air Damper

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