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Home / E-CATALOG / Industrial / Dampers / BDD Backdraft Dampers
BDD Backdraft Dampers

BDD Backdraft Dampers

Description

BDD backdraft dampers are available in the spring-loaded and gravity style backdraft dampers. The spring loaded dampers are available in 4″, 5″, 6″, & 8″models with a center pin design and a 10″ & 12″ center post design. The gravity damper is available in 7″,14″ & 16″ and offers a galvanized steel housing and aluminum butterfly damper blades.

Features & Benefits of BDD Backdraft Dampers

Spring Loaded Backdraft DampersSpring Loaded Backdraft Damper

  • Neoprene damper seal minimizes leakage
  • 20 gauge steel housing, aluminum spring loaded butterfly damper blades
  • Gasket designed to withstand temperatures from -22 F to 180 F
  • Requires from 0.04 to 0.08 in. wg pressure to open
  • Simple installation in any position – entire assembly inserts into duct
  • Exterior foam gasket assures a tight seal against duct
  • 4″, 5″, 6″ & 8″ sizes include stamped metal sleeve with center pin design
  • 10″ & 12″ sizes include rolled metal sleeve with center post design

Gravity Operated Backdraft DampersGravity Operated Backdraft Damper

  • Low air leakage design
  • Galvanized steel housing, aluminum butterfly damper blades
  • Gravity operated closure
  • Install in horizontal or vertical (upblast only) position
  • Suitable for supply or exhaust applications
  • Available in three sizes: 7″, 14″ & 16″ sizes

Select the Charts / Diagrams tab below for performance and dimension details on the following BDD models:

Spring Loaded Backdraft Damper Models:

  • BDD100
  • BDD125
  • BDD150
  • BDD200
  • BDD250
  • BDD300

Gravity Operated Backdraft Damper Models:

  • BDD175
  • BDD355
  • BDD400

Visit CFM Select to utilize Continental Fan’s state-of-the-art fan selection and quotation platform.

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Categories: Commercial, Dampers, Dampers, Dampers, Dampers, Hydroponics Fans, Industrial, OEM.
  • Charts / Diagrams
    BDD Backdraft Dampers

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Continental Fan Manufacturing Inc.
203 Eggert Road
Buffalo, New York 14215
Continental Fan Manufacturing Inc.
10212 Freight Drive
Dayton, Ohio 45377
Continental Fan Canada Inc.
12-205 Matheson Boulevard East
Mississauga, Ontario L4Z 3E3

1-800-779-4021 | info@continentalfan.com

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