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Low Pressure Fittings for Residential and Light Commercial HVAC Applications

Single & Double
Quadrant Dampers		 Heavy-Duty
Quadrant Damper
single double quadrant dampers heavy duty quadrant damper
All dampers are available installed. Specify the fitting to receive the damper. Please note that the fitting length is modified to accept the damper.
Single & Double Quadrant Dampers
D Quadrant Gauge Part #
3 SQD 24 2-0332
4 SQD 24 2-0432
5 SQD 24 2-0532
6 SQD 24 2-0632
7 SQD 24 2-0732
8 SQD 24 2-0832
9 DQD 24 2-0932
10 DQD 24 2-1032
11 DQD 24 2-1132
12 DQD 24 2-1232
14 DQD 24 2-1432
15 DQD 22 2-1532
16 DQD 22 2-1632
18 DQD 22 2-1832
20 DQD 22 2-2032
22 DQD 22 2-2232
24 DQD 22 2-2432
Heavy-Duty Quadrant Damper
D ----- Gauge Part #
6 ----- 22 2-063243
7 ----- 22 2-073243
8 ----- 22 2-083243
9 ----- 22 2-093243
10 ----- 22 2-103243
11 ----- 22 2-113243
12 ----- 22 2-123243
14 ----- 22 2-143243
16 ----- 22 2-163243
18 ----- 22 2-183243
20 ----- 20 2-203243
22 ----- 20 2-223243
24 ----- 20 2-243243

Other sizes available.
All Dampers come with all needed hardware.
Other sizes available.  
11419 Yellowpine St. NW - Minneapolis, MN 55448 - Ph: 763-755-7677 - 1-800-426-3643 - info@spiralmfg.com