FSD-RD is a series of CVS-SAFE4 UL/ULC classified combination fire & smoke dampers manufactured with “True Round” type blades. These dampers have been investigated for both a fire protection rating of 1-1/2-hour or 3-hour (UL555) and at minimum 2000 feet per minute at 4 in. w.g. of static pressure for a leakage rating as defined under Class I or Class II (UL555S).
Submittals
FSD-RD-211 – 1.5 Hour, Class I, True Round Combination Fire & Smoke Damper
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