Specification For Colt Defender 1 Smoke Damper
Product Reference
Colt Defender 1 Smoke Damper
Description
Comprising a 1.5mm fully welded galvanised mild steel outer casing incorporating 1.6mm formed mild steel parallel operation blades mounted onto stainless steel spindles and bushes complete with integral stainless steel side seals, rated to prevent hot smoke passing through for 1 hour.
Controls
The damper is actuated by a drive in, drive out 24v dc / 230 v ac motor fitted to the front / rear / side.
Options
Available in a wide variety of finishes, and with a wide variety of decorative grilles.
SPECIFICATION FOR COLT DEFENDER 2 FIRE DAMPER
Product Reference
Colt Defender 2 Fire Damper
Description
Comprising a 1.5mm fully welded galvanised mild steel flange case incorporating 2mm stainless steel interlocking blades and frame side seals, providing a four-hour fire rated assembly to BS 476 part 20 (1987). Airtight to Class C according to DW 144.
Controls
The damper is actuated by a 24v dc / 230 v ac drive open, spring close motor, fitted to the rear / the side. A thermal link closes the damper at 720C. Alternatively the damper will close when a signal is received from a fire detection system / when electrical supply fails.
Options
Available in a wide variety of finishes, and with a wide variety of decorative grilles.