Alan Manufacturing, Inc
3927 East Lincoln Way
Wooster, Ohio US

Phone: (800) 435-2526 or (330) 262-8077
Fax: (877) 333-2526 or (330) 262-1556
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

List Price

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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
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 Quote
Unit of Measure
1 2 3