Series: | MFD-SB/GB/SGB/GSB-F-20/30-A/R |
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Construction: | Stainless Steel / Galvanized Steel |
Fire Rating : | 1% Hr. / 3 Hrs. |
Application: | Static / Dynamic |
Motorized Fire Damper with DTRD Is a high performance UL 555 Classified damper with 1% hr. / 3hr. fire rating , designed to be installed in HVAC systems with velocities of upto 2000 fpm and 4” w.g pressure. Which is a combination of a melting fuse and TRD is installed to ensure complete closure of damper with fire resistance rating in either direction. The dampers are installed vertically or horizontally and are rated for airflow and leakage in either direction.