Bubble Tight Isolation Dampers - HBT-221

The HBT-221 is an isolation damper designed for isolation and decontamination applications. The damper has bubble-tight leakage performance per AMCA 500-D. Pressure: Up to 10 in. wg (2.5 kPa) Leakage: Bubble tight per AMCA 500-D Velocity: Up to 4000 fpm (20.3 m/s) Temperature: -40°F to 250°F (-40°C to 121°C)