Fire dampers are passive fire protection products used in heating, ventilation, and air conditioning (HVAC) ducts to prevent the spread of fire inside the duct work through fire-resistance rated walls and floors. Fire/Smoke dampers are similar to Fire Dampers in fire resistance rmore...
These Fire Dampers offer an effective fire barrier by maintaining integrity in a firesituation. And are ratedup to two to four hours ratings, combined with low leakagecharacteristics. more...