FD-C Series Mechanical Circular Fire Damper
- Category:
- Fire Safety
- Fire Dampers
The FD-C series Circular Single Blade Externally Resettable Combination Fire and Volume Control Damper is designed to prevent the spread of fire and smoke through circular ducts that pass through fire-rated walls, floors, ceilings, and cavity barriers.
ES classified fire damper with reduced smoke leakage characteristics (BS EN 1366-2). Size range available: 100mm to 315mm dia.
The FD-C Series can be installed from one side of the fire separation barrier without the need for fire-rated infill material.
For further technical information please see below.
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Product application
Designed to be installed in circular ducted HVAC systems within fire boundaries, the FD-C Series offers robust performance in fire conditions, ensuring integrity of compartmentation is maintained.
FD-C Series Mechanical Circular Fire Damper
The FD-C Series circular single blade Fire dampers are suitable for use in dryline walls and masonry/concrete walls and floors and cavity barriers and is independently 3rd party tested and certified to the following standards:
- Fire resistance tested to BS EN 1366-2.
- ES classified to BS EN13501-3 CE marked to BS EN 15650 Closed blade leakage Class 3 to BS EN 1751.
- Damper casing leakage Class C to BS EN 1751. Normal operating conditions – up to a maximum of 1000Pa.
- The patented single blade layered design is held open against a torsion spring that is released via a fusible link having an alloy component that melts at 72°C allowing the spring mechanism to close the damper.
- The externally resettable damper assembly and fusible link design enables testing without the need for specialist tools or access panels. NB: Access panels may be required to comply with DW145 G.3.1.5.
- For the protection of escape routes and areas with sleeping risk, the FSD-C damper should be used. Please refer Approved Document B (ADB).
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