Round Industrial Control Dampers - HCDR-351

The HCDR-351 is an isolation damper with a flanged frame. It provides tight shutoff with very low leakage in HVAC or industrial process control systems. Pressure: Up to 20 in. wg (5 kPa) Velocity: Up to 6500 fpm (33 m/s) Temperature: -40°F to 400°F (-40°C to 204°C)