Continental AXP Brochure
www.continentalfan.com
DAMPERS
Spring Loaded Dampers
• Neoprene damper seal to minimize air leakage
• Steel housing, aluminum 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 / post designs
• 10” & 12” sizes include rolled metal sleeve with center post design
Gravity Operated Dampers
• 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 7”, 14” & 16” sizes
MODEL A B
C
(Nominal)
Gauge
SPRING LOADED DAMPERS
BDD100 1.8 2.0 4 20
BDD125 2.0 2.5 5 20
BDD150 2.5 3.0 6 20
BDD200 2.8 3.8 8 20
BDD250 4.8 6.0 10 20
BDD300 6.3 6.8 12 20
GRAVITY OPERATED DAMPERS
BDD175 7.0 - 7 28
BDD355 12.0 - 14 24
BDD400 14.0 - 16 22
DIMENSIONS IN INCHES*
C
A
B
SPRING LOADED DAMPERS
4”, 5“, 6” & 8”
A
B
C
SPRING LOADED DAMPERS
10” & 12”
C
A
GRAVITY OPERATED DAMPERS
7”, 14“ & 16”
*DO NOT USE FOR CONSTRUCTION
CONSULT FACTORY FOR CERTIFIED PRINTS
0
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
0 0.05 0.10 0.15 0.20 0.25 0.30
AIRFLOW PERFORMANCE (CFM)
AIRFLOW (CFM)
PRESSURE (IN. WG)
BDD400
BDD355
BDD175
BDD250
BDD200
BDD100
BDD150
BDD125
BDD300
BDD BACKDRAFT DAMPERS