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TYPE B
STANDARD FIRE DAMPER
BLADES OUT OF AIRSTREAM

GAVLANISED MILD STEEL
CASING & BLADES

Suitable for Rectangular Duct

The AJS Type B – standard fire damper range (blades out of airstream) is designed for high air velocity systems. Manufactured by us in the UK providing a curtain type fire damper designed specifically to prevent the spread of flames through ductwork systems in fire conditions, whilst allowing maximum airflow through the system.
 
Specification / Features
  • A continuous series of folded and interlocked hinged blades make up the fire curtain barrier, contained within the fully welded (airtight) damper casing.
  • The trailing curtain blade is fixed to the head/top of the damper casing, held open via a fusible link element set to trigger @ 72ºC.
  • Two constant force stainless steel type 302 coiled band springs, exerting a pull of not less than 35n attached to the leading blade & the radius locking ramps, (profiled to the curtain/blade assembly) fitted to the base/bottom of the damper casing, facilitates the curtain/blade closure, creating both a positive lockdown of the curtain/blades & barrier to flames within the ductwork system.
Damper Model
  • Type B - Rectangular - Blades out of airstream.
Duct Connection type
  • Rectangular Slip joint / Spigot
Factory Fitted Installation Option
  • None
Material Option
  • Galvanised steel.
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Dampers
Curtain Fire Dampers
Fire Dampers (Rectangular)
Blades Out Of Airstream
Type B - Standard
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