G- Galvanized Construction: SS*- Stainless steel construction: GS*- Combination of Galvanized & Stainless steel construction.
AEROSYS manufactures motor operated Smoke dampers which Close and prevent the circulation of air and smoke through a duct or a ventilation opening in a smoke barrier of a passive smoke control system. Control the spread of smoke using walls and floors as barriers and using the building’s HVAC system and/or dedicated fans to create pressure differences in an engineered smoke control system. The product is tested and classified in accordance with UL Standard 555S.