Certification: CBRI tested as per UL-555.

Ruskin India Fire & Smoke Damper with for motorized operation with  Sleeve ( RI-FSD ) are manufactured in GI construction.

The frame is manufactured in 16G Hat-channel GI with 157mm wide. The minimum Sleeve length is 432 mm. The Blade is in Triple V groove 16G GI with 155mm width. 

The Linkage is on side frame with ½” plated steel Hex and Bronze Bush.

Fire rating:          120 minutes CBRI tested as per UL 555.