Ruskin’s single-bladed bubble tight damper model BTD830 is designed for
rectangular/square flanged installations in which extreme low leakage is
required.
Typical applications include industrial process exhaust systems, laboratories,
pharmaceutical facilities, nuclear power plants, DOE facilities, military
facilities, and biotech labs.
Each damper model BTD830 is factory tested prior to shipment for leakage
performance in accordance with AMCA Standard 500-D.