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Fusible Link Fire Damper With Sleeve Model FLD-S-U
Specifications
| Frame Type | Hat Channel 123mm wide |
|---|---|
| Temperature | Release Device UL Stamped Fusible Link 74 Deg C (Std) |
| Blade Type | Triple V Type Parallel Configuration |
| Sleeves | Factory Fitte inimum 508mm long 20Ga 180 GSM Galvanized Steel sheet |
| 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 |
| Top & Bottom Blade stopper | 1mm thick 180 GSM Galvanized Steel |
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.
Product Description
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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Frequently Asked Questions
The fire damper features a hat channel frame that is 123mm wide.
Both the frame and blades are made of 16Ga 180 GSM galvanized steel.
The fusible link release device is UL stamped and rated for 74 degrees Celsius.
The factory-fitted sleeves are a minimum of 508mm long and made from 20Ga 180 GSM galvanized steel sheet.
It uses a triple V type parallel configuration for the blades.
Yes, it can be installed vertically with blades running horizontally, accommodating airflow in either direction.
The axle bush is made of bronze and is pressed into the frame.
The return spring, made of stainless steel, is used to ensure the blades return to their closed position after operation.
The linkage consists of a tie bar made from 3mm galvanized steel, which is integrated into the frame.
Yes, it includes open/close indication lights and a power-on indication light.
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