CRD-501 : Leakage Rated Ceiling Radiation Damper

CRD-501 : Leakage Rated Ceiling Radiation Damper

Model CRD-501 is a round, UL 555C Classified ceiling radiation damper with a UL 555S Leakage Class I rating, providing both radiant heat protection and low-leakage smoke control in rated floor/ceiling assemblies. Designed for circular duct applications, it supports code-compliant life safety performance in a compact configuration.