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combination-fire-smoke-damper-model-fsd-b-u-39022

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Air Damper
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Combination Fire & Smoke Damper Model FSD-B-U

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Specifications

Blade Type Triple V Type Parallel Configuration
Sleeve Factory Fitte inimum 432mm 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
Top & Bottom Blade stopper 1mm thick 180 GSM Galvanized Steel
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
Jamb Seals Stainless Steel Flexible Metal Compression Type
Resettable Thermal Release Device (RTR) Resettable Thermal Device operates at 74 C.
Damper Open/Close Switch (OCS) Damper Open/Close Indicator is mechanically linked to the blade to provide fool proof Open/Close readings.
Actuator UL Classified Actuator (24V Standard) / 230V Optional
Single Section 1220mm (H) x 914mm(W) (Maximum) 152mm H x 203mm W (Minimum)
Blade Seals Long Flap Silicone Rubber Seal affix on the Blade Edge and Blade stopper

Key Features

  • Smoke damper frame is of 180GSM galvanized steel of 16Ga thickness formed into a structural hat channel in 4-piece construction with integral overlapping gusset reinforcements (screws are not acceptable) in each corner to ensure perfect square shape. Top and Bottom frame members will be of low profile design to maximize the free area on small dampers less then 425mm height and hence minimize pressure drop.
Reference ACFSW Category Air Damper

Product Details

Model FSD-B-U is a UL555 & UL555S classified multi blade Combination Fire & Smoke Damper with 3V styleBlades. It is designed for the closure/opening of the HVAC duct in Fire & Smoke situations. It is UL555 Classified to withstand fire conditions for 1.5 hours and is Class I Leakage Rated under UL555S at an Elevated Temp of 350 F Model FSD-B-U can be installed vertically, with blades running horizontally with airflow in either direction.
  • 220v/24v step down transformer
  • Open/Close indication light
  • Power-On Indication light
  • Test Button
  • Aux Contact Points

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