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TYPE C
FIRE DAMPER
BLADES OUT OF AIRSTREAM
c/w
HEVAC INSTALLATION FRAME

GAVLANISED MILD STEEL
CASING & BLADES

Suitable for Spiral / Circular Duct

The AJS Type C – fire damper c/w fire curtain installation frame range (blades out of airstream) is designed for low to high air ductwork velocities associated with the ventilation & air conditioning industry. Manufactured by us in the UK, we provided curtain type fire damper specifically to prevent the spread of flames in fire conditions, whilst allowing maximum airflow throughout the system. In addition to our standard fire damper, we have incorporated a proven factory fitted HEVAC installation frame to assist with the variation of installation methods, designed specifically for builders / block work partitioning.
 
Specification / Features
  • A continuous series of 0.8mm galvanised mild steel (as standard) folded and interlocked hinged blades make up the fire curtain barrier, contained within the fully welded (airtight) damper casing of 1.2mm galvanised steel.
  • 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.
  • Factory fitted 1.6mm galvanised mild steel HEVAC installation frame designed specifically for builders / block work partitioning installation.
Damper Model
  • Type C - Blades out of airstream.
Duct Connection type
  • Circular Slip joint / Spigot
Factory Fitted Installation Option
  • HEVAC Frame.
Material Option
  • Galvanised steel.
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Dampers
Curtain Fire Dampers
Fire Dampers (Circular)
Type C - HEVAC FRAME
850mm Dia Type C Fire Damper HEVAC Frame
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850mm Dia  Type C  Fire Damper  HEVAC Frame

* Image for illustration purposes only.
850mm Dia - Type C - Fire Damper - Galvanised Mild Steel - Blades Out of Airstream c/w Factory Fitted HEVAC Installation Frame (Builders/Block Work Frame)

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Weight: 29.6 kg
Availability: Ships in 24 hours