Multi-blade closure
The blades close across the rectangular opening to interrupt the duct passage through a fire separation.
PRODUCT / TECHNICAL DATA Cleanroom Ductwork & AccessoriesSpecifications / Configurations / Procurement
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Cleanroom Ductwork & Accessories
Fire Damper
Product specifications
| Brand | ST |
|---|---|
| Product range | Fire damper; fire shut-off damper for smoke-exhaust systems |
| Form | Rectangular multi-blade damper |
| Material options | Galvanized steel or stainless steel |
| Body construction | Thickened metal casing |
| Closing features | Responsive operation and sealing blade assembly |
| Material properties | Corrosion and rust resistance |
| Duct connections | Flanged frame with fixing holes |
| Customisation | Opening dimensions and material configuration |
Customization availableSpecifications can be customized to your requirements.
Request a quotation
Specify the quantity and configuration in your inquiry.
Fire Damper closes a duct opening when its release mechanism operates, helping maintain the separating function of the wall or floor crossed by the ventilation duct. It addresses the otherwise open air route between adjoining compartments.
This rectangular multi-blade range uses a metal casing and sealing blade assembly, with galvanized or stainless steel options. Fire shut-off versions are also available for the specified smoke-exhaust arrangement.
MODELS AND DIMENSIONS
Available opening sizes
| Opening width (mm) | Opening height (mm) |
|---|---|
| 120 | 120 |
| 160 | 100 |
| 160 | 120 |
| 160 | 160 |
| 200 | 100 |
| 200 | 120 |
| 200 | 160 |
| 200 | 200 |
| 250 | 120 |
| 250 | 160 |
| 250 | 200 |
| 250 | 250 |
| 320 | 120 |
| 320 | 160 |
| 320 | 200 |
| 320 | 250 |
| 320 | 300 |
| 320 | 320 |
| 350 | 120 |
| 350 | 160 |
| 350 | 200 |
| 350 | 250 |
| 350 | 300 |
| 350 | 320 |
| 350 | 350 |
| 400 | 120 |
| 400 | 160 |
| 400 | 200 |
| 400 | 250 |
| 400 | 320 |
| 400 | 350 |
| 400 | 400 |
| 450 | 120 |
| 450 | 160 |
| 450 | 200 |
| 450 | 250 |
| 450 | 300 |
| 450 | 320 |
| 450 | 350 |
| 450 | 400 |
| 450 | 450 |
Other opening dimensions can be customised.
FIRE SEPARATION
Address the opening created by the duct
Sealing blade assembly
Close-fitting blade edges limit gaps across the closed opening.
Rigid metal frame
The thickened casing supports the blade assembly, while fixing holes provide connections to the adjoining ductwork.
Corrosion-resistant material options
Galvanized and stainless steel construction provide material choices for the building's installation environment.
APPLICATION ENVIRONMENTS
Duct openings within a building's fire-compartment plan
Schools and hospitals
Use at designated duct crossings between separately protected parts of the building, with the configuration matched to the fire design.
Shopping centres
Close designated ventilation duct paths between retail areas, service rooms and other fire compartments.
High-rise and residential buildings
Provide duct closure at the specified separations between floors, service spaces and occupied compartments.
Factories and agricultural production buildings
Address ventilation openings through fire separations between production, storage and service areas.
Civil-defence facilities
Use in the designated duct openings of the facility's compartmentation design.
PROJECT CONFIGURATION
Match the damper to the system and opening
Ventilation or smoke-exhaust duty
Select the appropriate fire-damper configuration and release arrangement for the system's fire-operation sequence.
Installation at the separation
Coordinate the opening, mounting orientation and supporting construction with the installation requirements for the selected configuration.
Access for inspection
Leave the mechanism and blades accessible for inspection, operating checks and maintenance.
PROCUREMENT / INQUIRY
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