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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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).
Two Stud Air Flow Dampers
Unit of Measure
1 2 3 4 5 

Item #

Order Code

Thickness

Damper Blade Size

Blade Style

1147 N/A SNB/SDC/DAH SNB/SDC/DN N/A 24 gauge N/A 16 in N/A Round
1148 N/A SNB/SDC/DAH SNB/SDC/DN N/A 24 gauge N/A 18 in N/A Round
1149 N/A SNB/SDC/DAH SNB/SDC/DN N/A 24 gauge N/A 20 in N/A Round
1150 N/A SNB/SDC/DAH SNB/SDC/DN N/A 24 gauge N/A 22 in N/A Round
1151 N/A SNB/SDC/DAH SNB/SDC/DN N/A 24 gauge N/A 24 in N/A Round
1152 N/A SDC/SDC/DAH SDC/SDC/DN N/A 26 gauge N/A 4 in N/A Round
1153 N/A SDC/SDC/DAH SDC/SDC/DN N/A 26 gauge N/A 5 in N/A Round
1154 N/A SDC/SDC/DAH SDC/SDC/DN N/A 26 gauge N/A 6 in N/A Round
1155 N/A SDC/SDC/DAH SDC/SDC/DN N/A 26 gauge N/A 7 in N/A Round
1156 N/A SDC/SDC/DAH SDC/SDC/DN N/A 26 gauge N/A 8 in N/A Round
1157 N/A SDC/SDC/DAH SDC/SDC/DN N/A 26 gauge N/A 9 in N/A Round
1158 N/A SDC/SDC/DAH SDC/SDC/DN N/A 26 gauge N/A 10 in N/A Round
1159b N/A SDC/SDC/DAH SDC/SDC/DN N/A 26 gauge N/A 12 in N/A Round
1160 N/A SDC/SDC/DAH SDC/SDC/DN N/A 24 gauge N/A 14 in N/A Round
1161 N/A SDC/SDC/DAH SDC/SDC/DN N/A 24 gauge N/A 16 in N/A Round
1162 N/A SDC/SDC/DAH SDC/SDC/DN N/A 24 gauge N/A 18 in N/A Round
1163 N/A SDC/SDC/DAH SDC/SDC/DN N/A 24 gauge N/A 20 in N/A Round
1164 N/A SDC/SDC/DAH SDC/SDC/DN N/A 24 gauge N/A 22 in N/A Round
1165 N/A SDC/SDC/DAH SDC/SDC/DN N/A 24 gauge N/A 24 in N/A Round
1166 N/A SDC/TDC/DAH SDC/TDC/DN N/A 26 gauge N/A 4 in N/A Round
1167 N/A SDC/TDC/DAH SDC/TDC/DN N/A 26 gauge N/A 5 in N/A Round
1168 N/A SDC/TDC/DAH SDC/TDC/DN N/A 26 gauge N/A 6 in N/A Round
1169 N/A SDC/TDC/DAH SDC/TDC/DN N/A 26 gauge N/A 7 in N/A Round
1170 N/A SDC/TDC/DAH SDC/TDC/DN N/A 26 gauge N/A 8 in N/A Round
1171 N/A SDC/TDC/DAH SDC/TDC/DN N/A 26 gauge N/A 9 in N/A Round
Unit of Measure
1 2 3 4 5