Ultrafiltration Membranes
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Combination Fire & Smoke Damper Model FSD-B-U
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.
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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