Nagase RooTAC (TOTAKU)
Nagase RooTac TOTAKU Ducting Hoses Clear Duct

Manufacturer: Nagase RooTAC Industries, Inc.
Model: Clear Duct
Feature
- A transparent type of DUCT-EE, allowing for visual inspection of transported materials.
- Suitable for dust collection in woodworking machinery.
- Ideal for the transport of powders, granules, and gases.
- Useful for air supply and exhaust in indoor and factory equipment.
- Effective when visual inspection of transported materials is required.
- Suitable for drainage applications (for surface-level drainage).
Standard Dimensions and Properties

| Nominal Diameter | Inner Diameter | Outer Diameter | Pitch | Reference Weight | Length | Allowable Pressure (at room temperature) | Allowable Vacuum Pressure (at room temperature) | Allowable Bend Radius (to the center axis of the hose) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inch | mm | inch | mm | inch | mm | inch | mm | lbs/ft | g/m | feet | m | psi | MPa | inHg | kPa | inch | mm |
| 1.25 | 32 | 1.28 | 32.4 | 1.52 | 38.6 | 0.33 | 8.4 | 0.15 | 220 | 164 | 50 | 8.70 | 0.06 | -19.49 | -66.00 | 1.26 | 32 |
| 1.5 | 38 | 1.47 | 37.3 | 1.75 | 44.5 | 0.36 | 9.2 | 0.20 | 295 | 164 | 50 | 8.70 | 0.06 | -19.49 | -66.00 | 1.50 | 38 |
| 2 | 50 | 1.99 | 50.6 | 2.37 | 60.2 | 0.39 | 10.0 | 0.39 | 585 | 98 | 30 | 7.25 | 0.05 | -19.49 | -66.00 | 1.97 | 50 |
| 2.5 | 65 | 2.46 | 62.4 | 2.83 | 72.0 | 0.47 | 12.0 | 0.43 | 645 | 98 | 30 | 5.80 | 0.04 | -19.49 | -66.00 | 2.56 | 65 |
| 3 | 75 | 3.01 | 76.4 | 3.40 | 86.4 | 0.51 | 13.0 | 0.51 | 755 | 98 | 30 | 5.80 | 0.04 | -9.74 | -33.00 | 2.95 | 75 |
| 3.5 | 90 | 3.50 | 88.9 | 3.92 | 99.5 | 0.53 | 13.5 | 0.64 | 950 | 98 | 30 | 4.35 | 0.03 | -9.74 | -33.00 | 3.54 | 90 |
| 4 | 100 | 4.00 | 101.6 | 4.42 | 112.2 | 0.59 | 15.0 | 0.69 | 1020 | 98 | 30 | 4.35 | 0.03 | -6.35 | -21.50 | 3.94 | 100 |
| 5 | 125 | 4.96 | 125.9 | 5.46 | 138.7 | 0.83 | 21.0 | 0.91 | 1350 | 65 | 20 | 2.90 | 0.02 | -5.91 | -20.00 | 4.92 | 125 |
| 6 | 150 | 6.00 | 152.4 | 6.49 | 164.8 | 0.79 | 20.0 | 1.12 | 1670 | 65 | 20 | 2.90 | 0.02 | -4.28 | -14.50 | 5.91 | 150 |
| 8 | 200 | 8.02 | 203.7 | 8.55 | 217.1 | 0.89 | 22.5 | 1.47 | 2190 | 65 | 20 | 1.45 | 0.01 | -1.77 | -6.00 | 7.87 | 200 |











