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Bullock Model 5650 Drop Lock Mechanical Fire Damper
The Bullock Single Blade Drop Lock type Fire Damper is having its 18th Birthday.
Fire Barriers
The Single Blade Fire Damper is a fast acting, robust and light weight fire damper which will automatically stop flame or fire passage for up to four hours when installed into service penetrations of fire rated elements, (wall or slab) as tested by the CSIRO.
This Mechanical Fire Damper has superior, tested, fast acting blade closure ability with almost instantaneous smoke dampening capabilities via the blade sealing design, proven by the AS1682.1-1990.5 P.A.L. test.
Features of the Drop Lock Fire Damper
- As well as passing rigorous fire testing the Bullock model 5650 Drop lock Fire Damper has had Blade Closure Against The Airflow tests completed giving you flexibility in installation design and application.
- Fire Damper Installation is made easy, giving you confidence when using the patented Metal expansion gap sealing system.
- This patented system ensures adequate damper expansion space around the Fire Damper in the event of a fire.
- A 68°C UL33 rated fusible link holds the blade open providing almost 90% free airway, thus allowing easy maintenance such as cleaning and operational testing as required by AS1851.
- If you require an easy to install, fire tested, airflow tested Fire Damper that has quick response to low temperatures and has ultra low permissible smoke leakage rates you don’t have to look any further.