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Smoke Damper Model SD-B-U

Name: Smoke Damper Model SD-B-U
Brand: ESPL
SKU: ABKVF
Price: 11.59 USD
Availability: InStock

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SKU ABKVF Category Air Damper Brand ESPL Condition New

Specifications

Frame Type	Hat Channel 123mm wide
Actuator	UL Classified Actuator (24V Standard) / 230V Optional
Blade Type	Triple V Type Parallel Configuration
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
Sleeve	Factory Fitte inimum 432mm long 20Ga 180 GSM Galvanized Steel sheet
Top & Bottom Blade stopper	1mm thick 180 GSM Galvanized Steel
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.
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 Description

Smoke Damper are provided with an hourly fire rating. Smoke damper's primary function is to control the movement of smoke in dynamic air distribution systems Model SD-B-U is aUL555S classifiedmulti blade Smoke Damperwith 3V style Blades. It is designed for closure/opening of theHVAC duct in Smoke situations. It is Class 1 Leakage Ratedunder UL555S at Elevated Temp of 350 F and is designed forvelocities up to 2000 fpm at 4w.g. pressureModel SD-B-U can be installed vertically, with blades runninghorizontally with air flow in either direction.

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Frequently Asked Questions

The frame type is a Hat Channel that is 123mm wide, constructed from galvanized steel.

The blades are made from galvanized steel with a thickness of 16Ga and a weight of 180 GSM.

The maximum size for a single section is 1220mm in height and 914mm in width, while the minimum size is 152mm in height and 203mm in width.

It is Class 1 Leakage Rated under UL555S at elevated temperatures of 350°F.

The smoke damper is equipped with a UL Classified Actuator, available in 24V standard or 230V optional.

It features a triple V type parallel configuration for the blades.

The damper is designed to handle air velocities up to 2000 feet per minute at a pressure of 4 inches water gauge.

It has a Damper Open/Close Indicator that is mechanically linked to the blade, providing clear readings of its status.

The blades are equipped with long flap silicone rubber seals affixed on the blade edge and blade stopper.

The resettable thermal release device operates at 74°C, providing safety by allowing the damper to reset after activation.

Yes, it can be installed vertically, with the blades running horizontally and air flow in either direction.

The frame is constructed from 180GSM galvanized steel of 16Ga thickness, formed into a structural hat channel with integral overlapping gusset reinforcements.