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Suitable for Rectangular & Spiral/Circular Duct

The AJS range of dampers, have been designed specifically to provide the prevention and spread of flames in fire conditions and the balance and restriction of airflow through ductwork systems. The range covers a multitude of options from installation methods / procedures to control options.
Specification / Features

  •  Independently tested by Warrington Fire Research Centre achieving a full 4 hour fire rating.
  • BSRIA Quality approved pressure tested.
Range Includes
  • Blast Gate DamperS
  • Fire Dampers
  • Non Return/Back Draft Dampers
  • Volume Control/Balancing Dampers
Installation/ Fixing Options
  • Flanged. (Rectangular duct)
  • Slip joint / spigot. (Rectangular duct)
  • Slip joint / spigot. (Spiral/Circular duct)
  • Drywall Frame.
  • Fire Curtain Frame.
  • Hanging Cleats.
  • HEVAC Frame
Operation Options
  • Manual
  • Motorised
Material Options
  • Aluminium.
  • Galvanised Steel.
  • Stainless Steel.
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