Nagase RooTAC (TOTAKU)
Nagase RooTac TOTAKU Ducting Hoses Duct-D

Manufacturer: Nagase RooTAC Industries, Inc.
Model: Duct-D
Feature
- Lightweight and flexible, improving handling and installation efficiency.
- Easy to cut and install, simplifying ductwork.
- Suitable for air supply and exhaust in equipment and machinery.
- Ideal for air ventilation systems.
- Effective for dust collection, air supply, and exhaust applications.
- Suitable for drainage purposes (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 | 0.30 | 7.5 | 0.17 | 255 | 164 | 50 | 8.70 | 0.06 | -19.49 | -66.00 | 1.26 | 32 |
| 1.5 | 38 | 1.47 | 37.3 | 1.75 | 44.5 | 0.31 | 7.9 | 0.24 | 360 | 164 | 50 | 8.70 | 0.06 | -19.49 | -66.00 | 1.50 | 38 |
| 2 | 50 | 2.00 | 50.8 | 2.35 | 59.8 | 0.43 | 11.0 | 0.37 | 545 | 164 | 50 | 7.25 | 0.05 | -19.49 | -66.00 | 1.97 | 50 |
| 2.5 | 65 | 2.52 | 64.0 | 2.88 | 73.2 | 0.44 | 11.1 | 0.46 | 685 | 98 | 30 | 5.80 | 0.04 | -19.49 | -66.00 | 2.56 | 65 |
| 3* | 75 | 3.01 | 76.5 | 3.38 | 85.9 | 0.46 | 11.7 | 0.55 | 825 | 98 | 30 | 5.80 | 0.04 | -9.74 | -33.00 | 2.95 | 75 |
| 3.5* | 90 | 3.54 | 90.0 | 3.94 | 100.0 | 0.47 | 12.0 | 0.71 | 1050 | 98 | 30 | 4.35 | 0.03 | -9.74 | -33.00 | 3.54 | 90 |
| 4* | 100 | 4.06 | 103.0 | 4.45 | 113.0 | 0.47 | 12.0 | 0.84 | 1245 | 98 | 30 | 4.35 | 0.03 | -6.64 | -22.50 | 3.94 | 100 |
| 5 | 125 | 5.01 | 127.3 | 5.41 | 137.3 | 0.48 | 12.1 | 0.97 | 1445 | 65 | 20 | 2.90 | 0.02 | -3.54 | -12.00 | 4.92 | 125 |
| 6 | 150 | 5.96 | 151.4 | 6.38 | 162.0 | 0.53 | 13.5 | 1.23 | 1830 | 65 | 20 | 2.90 | 0.02 | -2.95 | -10.00 | 5.91 | 150 |
| 7 | 175 | 6.95 | 176.6 | 7.39 | 187.8 | 0.54 | 13.7 | 1.46 | 2170 | 65 | 20 | 1.45 | 0.01 | -2.36 | -8.00 | 6.89 | 175 |
| 8 | 200 | 8.07 | 205.0 | 8.54 | 216.8 | 0.56 | 14.3 | 1.85 | 2760 | 65 | 20 | 1.45 | 0.01 | -1.92 | -6.50 | 7.87 | 200 |
| 10 | 250 | 9.93 | 252.1 | 10.39 | 263.9 | 0.55 | 13.9 | 2.21 | 3290 | 32 | 10 | 1.45 | 0.01 | -1.18 | -4.00 | 9.84 | 250 |
| 12 | 300 | 11.93 | 303.0 | 12.44 | 316.0 | 0.62 | 15.7 | 2.75 | 4090 | 32 | 10 | 1.45 | 0.01 | -0.74 | -2.50 | 11.81 | 300 |
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