ALAN Manufacturing Inc.
ALAN Manufacturing Inc.
Address: 3927 East Lincoln Way
Wooster, Ohio US
Tel: 800.435.2526
Fax: 877.333.2526
Email: alansteel@alanmfg.com
Website: www.alanmfg.com
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In addition to offering all of the separate damper components, ALAN Manufacturing provides complete dampers - our whole range of damper blades with any combination of hardware, available pre-assembled for your convenience.

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

We have highlighted some of the most popular damper configurations. For any configuration not shown, contact us for pricing. SAH (assembled) or SN (not assembled).
Air Flow Dampers
Unit of Measure
1 2 3 

Item #

Item Name

Order Code

Thickness

Length

502 N/A 20 Inch (in) Length and 24 gauge Thickness One Stud Air Flow Damper N/A SN N/A 24 gauge N/A 20 in
575 N/A 22 Inch (in) Length and 24 gauge Thickness One Stud Air Flow Damper N/A SN N/A 24 gauge N/A 22 in
657 N/A 24 Inch (in) Length and 24 gauge Thickness One Stud Air Flow Damper N/A SN N/A 24 gauge N/A 24 in
140b N/A 4 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 26 gauge N/A 4 in
150b N/A 5 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 26 gauge N/A 5 in
161 N/A 6 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 26 gauge N/A 6 in
185b N/A 7 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 26 gauge N/A 7 in
200 N/A 8 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 26 gauge N/A 8 in
218 N/A 9 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 26 gauge N/A 9 in
237 N/A 10 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 26 gauge N/A 10 in
283 N/A 12 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 26 gauge N/A 12 in
417 N/A 14 Inch (in) Length and 24 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 24 gauge N/A 14 in
480 N/A 16 Inch (in) Length and 24 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 24 gauge N/A 16 in
549 N/A 18 Inch (in) Length and 24 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 24 gauge N/A 18 in
627 N/A 20 Inch (in) Length and 24 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 24 gauge N/A 20 in
714 N/A 22 Inch (in) Length and 24 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 24 gauge N/A 22 in
809 N/A 24 Inch (in) Length and 24 gauge Thickness One Stud Air Flow Damper N/A SDC/SAH N/A 24 gauge N/A 24 in
120 N/A 4 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SN N/A 26 gauge N/A 4 in
127b N/A 5 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SN N/A 26 gauge N/A 5 in
135 N/A 6 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SN N/A 26 gauge N/A 6 in
157 N/A 7 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SN N/A 26 gauge N/A 7 in
171 N/A 8 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SN N/A 26 gauge N/A 8 in
185c N/A 9 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SN N/A 26 gauge N/A 9 in
202b N/A 10 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SN N/A 26 gauge N/A 10 in
267 N/A 12 Inch (in) Length and 26 gauge Thickness One Stud Air Flow Damper N/A SDC/SN N/A 26 gauge N/A 12 in
Unit of Measure
1 2 3