FSD-C Series Motorised Circular Fire Damper

FSD-C series Circular Single Blade ES rated motorised Fire Damper is designed to stop the spread of fire and smoke through circular ducts which 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. 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.

Product application

Designed to be installed in circular ducted HVAC systems at fire boundaries, the FSD-C Series offers robust performance in fire condition, ensuring integrity of compartmentation is maintained. Suitable for use in areas of sleeping risk and protected escape routes.

FSD-C Series Motorised Circular Fire Damper

The FSD-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 – to a maximum of 1000Pa.
  • The patented single blade layered design is held open via the actuator and will spring closed on input signal from damper control system and/or fire alarm input.
  • The damper design enables testing via the thermal fuse test button without the need for specialist tools or access panels. NB: Access panels may be required to comply with DW145 G.3.1.5.

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