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Firelight Duo natural flap ventilator

Firelight Duo provides high performance extract ventilation for most kinds of industrial and commercial buildings, and has been designed with the ever more stringent demands of the Energy Performance in Buildings directive in mind. It has been tested to and is in compliance with EN 12101-2.

Dimensions / size range

  • From 1000 mm to 2500mm overall ventilator width in 1 mm increments (to 2000mm with bracket control option)
  • From 1000mm to 3000mm overall ventilator length in 1 mm increments.

Flap options

  • Double or triple glazed: 28, 30 or 32mm overall thickness or customer specified (up to 60 kg/m²)
  • Polycarbonate: 16 or 25mm overall thickness or customer specified (from 16 up to 50 mm), either clear or opaque
  • Infill panel: a 2mm thick aluminium external sheet, 25mm thick infill with a mass of 30 kg/m2 and heat transfer of 0.03 W/m²K, 2mm thick internal sheet. 25mm overall thickness as standard.
  • Noise reduction panel, multi-layer system to achieve R’w of 49 dB.

Wind baffle

  • Without wind baffles
  • With wind baffles on two sides to improve aerodynamic performance

Materials

All components of the base and flap are manufactured from EN AW 6060-T66 aluminium alloy. The frames of both the base and flap are thermally broken.

Colours/ finishes options

  • Mill finish, standard
  • Polyester powder paint to a RAL colour, standard 75 mu

Fixing options

  • Fixing flange for curb
  • Fixing flange for glazing
  • Fixing flange for roof sheeting

Installation angle from 0 to 10° from the horizontal.

Controls options

  • Pneumatic
  • 24V DC linear drive electric

Both options are for smoke and day to day ventilation. For pneumatic versions, either double-action locking mechanisms or fail safe open. For electric versions, only double-action locking option available.

  • Bracket controls (for smaller vents and/or those installed into glazing)
  • Control channel controls (for larger vents and/or heavier lids or need to keep actuator lengths short)

If it is used as a smoke ventilator, activation is either by local thermal fuse which opens the unit at a pre-selected temperature, or by responding to an external release signal.

Please contact us for more information relating to the application, specification, installation and servicing of this product.

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