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Work simplified - better designs, better profits.
- Improve productivity
- Minimize risk
- Save time and money
SEMCO’s CustomAir Duct Systems Module is a comprehensive AutoCAD drafting utility for drawing our CustomAir spiral duct and fittings (2-D only).
All components in the CustomAir Duct Systems catalog are included with a full range of standard sizes, custom sizes, end connections and various options. Both round and flat oval duct systems fittings are included for both single wall and double (insulated) wall types.
The CustomAir Duct Systems Module features fully customizable units (Metric/English), user defined layer system, text size and font.
Download The Custom Air Duct Drafting Utility

Straight Duct (Spiral Round & Oval)
Sizes from 3”-76” (+ customized)
Round or Flat Oval
Single or double wall insulation
Several End connections option
Connectors at predefined intervals
Several draw options
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Elbows & Bends
Sizes from 3”-76” (+ customized)
Round or Flat Oval
Gored • Square Throat • Die-Cast • Pleated
45 deg/90 deg
Several End connections option
Several draw options |

Offsets
Sizes from 3”-76” (+ customized)
Round or Flat Oval
Several End connections option
Several draw options
Single or double wall insulation
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Single, Double & Cross fittings
Sizes from 3”-76” (+ customized)
Round or Flat Oval
Several End connections option
Single & Double tees • Crosses • Laterals
Conical lateral • Combination tees
Reducing or same size
Single or double wall insulation
Several draw options |
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Wyes
Sizes from 3”-76” (+ customized)
Round or Flat Oval
Several End connections option
Wyes & Reducing wyes
Single or double wall insulation
Several draw options
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Reducers & Transitions
Sizes from 3”-76” (+ customized)
Round or Flat Oval
Several End connections option
Round - Oval • Round - Round • Oval to Oval
Concentric/Eccentric
Single or double wall insulation
Several draw options |

Saddle Taps
Sizes from 3”-76” (+ customized)
Round or Flat Oval
Several End connections option
Straight • Lateral • Conical • Combinations
Several designs
Single or double wall insulation
Several draw options
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Adapters, Couplings, Bellmounts, Access Doors, Volume dampers:
Full range of sizes (+ customized)
Round or Flat Oval
Several designs
Several draw options
End connections options include:
Male & Female
Angle Rings
AccuFlange
SpiralMate
OvalMate
DuctMate

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