Multi blade tripple V groove fire damper rated for 2 Hours. design Tested at CBRI tested as per UL555 for 1.5/2 hour
Frame : 1.6 mm C-channel GI, 150 mm wide with 30 mm fange
Blade : 1.6 mm GI Triple Groove, width 150 mm ( optional : SS304)
Operation : Mechanical spring close
Option : with Sleeve, without Sleeve
Fusible Link : Thermal fusible link design to operate at 74 Deg C