SSD-RD is a series of CVS-SAFE4 UL/ULC classified smoke dampers manufactured with “True-Round” type blades. These dampers are tested under UL555S at a minimum of 2000 feet per minute at 4 in. w.g. of static pressure and labelled Class I or Class II leakage rated smoke damper.
Submittals
SSD-RD-201 – Class I, True Round Blade Smoke Damper