Alan Manufacturing, Inc. - Two Stud Volume Dampers

We will make two stud dampers in any size; however, we recommend damper blades in the range of 8 to 24" diameter.

(26-gauge steel up thru 12", 14" and larger are 24 gauge steel)

All of the following damper configurations are available for both rectangular and round dampers. DAH (Assembled) or DN (not assembled).

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Unit of Measure

Items	1147 16 Inch (in) Damper Blade Size Round Blade Style Two Stud Air Flow Damper	1148 18 Inch (in) Damper Blade Size Round Blade Style Two Stud Air Flow Damper	1149 20 Inch (in) Damper Blade Size Round Blade Style Two Stud Air Flow Damper	1150 22 Inch (in) Damper Blade Size Round Blade Style Two Stud Air Flow Damper	1151 24 Inch (in) Damper Blade Size Round Blade Style Two Stud Air Flow Damper
Description	N/A Has different diameter fixtures on each end; comes with a spade bolt on one side and a Spring Damper Clip on the other, for added ease installing into tight areas.
Order Code	N/A SNB/SDC/DAH SNB/SDC/DN
Thickness	N/A 24 gauge
Damper Blade Size	N/A 16 in	N/A 18 in	N/A 20 in	N/A 22 in	N/A 24 in
Blade Style	N/A Round
Set Includes	N/A 1 - 1/4 in Stamped Wing Nut 1 - 5/16 in Stamped Wing Nut 1 - 5/16 in Washer 1 - Damper Blade 1 - Handle 1 - Spade Bolt 1 - Spring Damper Clip 2 - 1/4 in Washers
Additional Description	N/A All damper configurations are available either Assembled or Unassembled. In either case, all Spade Bolts and Damper Clips will be attached. If you request that they be shipped assembled, we will also attach all Wing Nuts and Washers, and the Handle will be taped to the Damper Blade. If you request they not be shipped assembled, Wing Nuts, Washers, and Handles will arrive in a bag with the partially assembled Damper Blade.