the blue duct

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Underground Preinsulated Duct System

Straight Duct

Straight Duct ITEM # SIZE PDF DWG BIM
Non-Flanged Round Duct
6" – 18" [152 – 457 mm] Diameter
non-flanged straight duct
06-2510 6” x 8’ [152 x 2438 mm] dwg  
06-2512 6” x 4’ [152 x 1219 mm]      
08-2510 8” x 8’ [203 x 2438 mm] dwg  
08-2512 8” x 4’ [203 x 1219 mm]      
10-2510 10” x 8’ [254 x 2438 mm] dwg  
10-2512 10” x 4’ [254 x 1219 mm]      
12-2510 12” x 8’ [305 x 2438 mm] dwg  
12-2512 12” x 4’ [305 x 1219 mm]      
14-2510 14” x 8’ [356 x 2438 mm] dwg  
14-2512 14” x 4’ [356 x 1219 mm]      
16-2510 16” x 8’ [406 x 2438 mm] dwg  
16-2512 16” x 4’ [406 x 1219 mm]      
18-2510 18” x 8’ [457 x 2438 mm] dwg  
18-2512 18” x 4’ [457 x 1219 mm]      
Flanged Round Duct
20" – 48" [508 – 1219 mm]
Diameter
flanged pipe
20-3510F 20” x 8’ [508 x 2438 mm] dwg  
20-3512F 20” x 32” [508 x 813 mm]      
24-3510F 24” x 8’ [610 x 2438 mm] dwg  
24-3512F 24” x 4’ [610 x 1219 mm]      
30-3510F 30” x 8’ [762 x 2438 mm] dwg  
30-3512F 30” x 4’ [762 x 1219 mm]      
36-3510F 36” x 8’ [914 x 2438 mm] dwg  
36-3512F 36” x 4’ [914 x 1219 mm]      
48-3510F 48” x 6’ [1219 x 1829 mm] dwg  
48-3512F 48" x 4' [1219 x 1219 mm]