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Adjustable Butterfly Dampers

  • Airflow is maintained at required speed at all sash heights
  • Energy Saving due to lowest required amount of air exhausted
  • Low air speeds ensure comfortable noise level
  • Stable and accurate analogical sensor reading
  • White plastic fascia
  • LED or digital display
  • 115VAC to 12VDC
Unit of Measure

Application

Application
  • All internal parts are plastic
  • Furnished with locking quadrant damper allowing for permanent position set
  • Allows for less than 5% airflow restriction
  • Offers an approximate 95% seal
  • 90º damper plate operation
  • Can be installed either vertically or horizontally
  • Shall have bell end sockets and shall have minimum socket depth of 2 inches or more except on the 4 inch model which will be 1.75 inches

Features and Benefits

Features and Benefits
  • All internal parts are plastic
  • Furnished with locking quadrant damper allowing for permanent position set
  • Allows for less than 5% airflow restriction
  • Offers an approximate 95% seal
  • 90º damper plate operation
  • Can be installed either vertically or horizontally
  • Shall have bell end sockets and shall have minimum socket depth of 2 inches or more except on the 4 inch model which will be 1.75 inches

Material of Construction

Material of Construction

 Body, damper plate and shaft shall be made of PVC. Locking quadrant and fasteners shall be made of Stainless Steel.

Temperature Limitation

Temperature Limitation

 Adjustable Damper recomended up to 140º F.