The SEBR-40 series feature 316 stainless steel construction. It is a pivoted backdraft damper for low-velocity systems. These models are horizontally mounted dampers to allow vertical airflow down and prevent reverse airflow. Dampers in this series include the SEBR-40 (no flange) along with SEBR-41 (flange on discharge) and SEBR-42 (flange on intake).

• Back Pressure: 2 in. wg (.5 kpa)
• Start-to-Open Pressure: 0.05 in. wg (.01 kPa)
• Velocity: Up to 2000 fpm (10.2 m/s)
• Temperature: Up to 180°F (82°C)