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Features:

• Aluminum construction

• 1-1/2” flanged frame

• Vinyl blade seals

• 2400 FPM maximum velocity

• Pressure to 3.5” WG

• Counter balance weight kits

available for field attachment

(call for price and selection)

BDDR

Backdraft Dampers

Butterfly Type

Features:

• 24 gauge galvanized steel

8” deep housing

• Aluminum spring-loaded

butterfly damper

• Rubber gasket in closed position

for minimum leakage

• Opens at .04 to .08 inches WG

• May be installed in any position

4

ADP

– Serving the HVAC Industry Since 1952

8”x 8”

10”x 10”

12”x 12”

14”x 14”

16”x 16”

18”x 18”

20”x 20”

24”x 24”

30”x 30”

36”x 36”

48”x 48”

41393

41394

41395

41396

41397

41398

41399

41400

41401

41402

41403

Size

SKU

95

117

117

150

150

200

200

250

360

455

923

List Price

BDDF

Backdraft Damper

Backdraft Dampers – Flanged Type

Round Backdraft Dampers

Undersized approx. 1/4”

White dots = Low demand items. Check availability before quoting.

4”

5”

6”

7”

8”

9”

10”

12”

14”

16”

18”

41179

41180

41181

41182

41183

41184

41185

41186

41187

41188

41189

Size

SKU

57

60

63

85

98

100

118

174

296

349

386

List Price

Undersized approx. 1/8”

White dots = Low demand items. Check availability before quoting.