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ADP

– Serving the HVAC Industry Since 1952

40

BBD1 / BBD2 / SBD

Radial Blade Dampers for Round Necks

Radial Blade Dampers

Sizes 6” to 12”

Galvanized steel construction

Sizes 6” to 12”

Galvanized steel construction

Sizes 14” to 24”

Steel construction

flat black painted finish

SBD

Sliding Blade Damper – Neck Mounted

Gang-operated radial blades slide, each blade over the

next, at right angles to the air flow. Mounts directly on the

diffuser neck, flush with the top. Useful in flex duct or where

height is limited. Material is galvanized steel.

Sizes 6” to 14”

Galvanized steel construction

Duct

Size

6”

8”

10”

12”

14”

List

Price

SKU

24

26

26

28

44

51286

51287

51288

51289

51290

Duct

Size

6”

8”

10”

12”

List

Price

SKU

34

34

36

36

51291

51292

51293

51294

BBD2

Opposed Blade Damper – Neck Mounted

Mounts flush with the top of the diffuser neck. Especially

useful in flex duct, or where height is restricted. Three sets

of gang-operated opposed blades distribute air evenly

through the diffuser. Quickly and easily adjusted from the

face side of the diffuser. Material is galvanized steel.

Duct

Size

6”

8”

10”

12”

14”

15”

16”

18”

20”

24”

List

Price

SKU

36

36

38

40

52

54

56

58

65

80

51255

51256

51257

51258

51259

51260

51261

51262

51263

51264

BBD1

Opposed Blade Damper – Duct Mounted

Gang-operated opposed blades (three sets on sizes 6”

through 12”, four sets on 14” through 20”) distribute air

evenly through the diffuser. For use in round duct

applications. Not recommended for flexible duct

applications. Material is galvanized steel.