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

Manufacturer: Nagase RooTAC Industries, Inc.
Model: HERAN Duct
Feature
- Offers more than twice the abrasion resistance compared to the PVC ducts.
- Superior resistance to cold and heat. (Operating temperature range: -22°F to 176°F / -30°C to 80°C).
- An anti-static duct hose with excellent static prevention properties. [Material volume resistivity: 3,937 Ω·in (10⁵ Ω·cm) or less]
- Highly resistant to ozone cracking, unlike conventional rubber hoses.
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 |
| 1.5 | 38 | 1.50 | 38.0 | 1.84 | 46.8 | 0.37 | 9.5 | 0.23 | 335 | 98 | 30 | 4.35 | 0.030 | -11.81 | -40.00 | 1.77 | 45 |
| 2 | 50 | 1.99 | 50.6 | 2.41 | 61.2 | 0.39 | 10.0 | 0.37 | 550 | 98 | 30 | 4.35 | 0.030 | -11.81 | -40.00 | 2.17 | 55 |
| 2.5 | 65 | 2.46 | 62.4 | 2.87 | 73.0 | 0.47 | 12.0 | 0.41 | 605 | 98 | 30 | 2.90 | 0.020 | -9.74 | -33.00 | 2.56 | 65 |
| 3 | 75 | 3.01 | 76.4 | 3.43 | 87.2 | 0.51 | 13.0 | 0.49 | 725 | 98 | 30 | 2.90 | 0.020 | -7.83 | -26.50 | 2.95 | 75 |
| 3.5 | 90 | 3.50 | 88.9 | 3.95 | 100.3 | 0.53 | 13.5 | 0.60 | 890 | 98 | 30 | 1.45 | 0.010 | -5.91 | -20.00 | 3.54 | 90 |
| 4 | 100 | 4.00 | 101.6 | 4.45 | 113.0 | 0.59 | 15.0 | 0.63 | 935 | 98 | 30 | 1.45 | 0.010 | -5.91 | -20.00 | 3.94 | 100 |
| 5 | 125 | 4.96 | 125.9 | 5.50 | 139.7 | 0.85 | 21.5 | 0.88 | 1315 | 65 | 20 | 1.45 | 0.010 | -4.87 | -16.50 | 4.92 | 125 |
| 6 | 150 | 6.00 | 152.4 | 6.54 | 166.2 | 0.79 | 20.0 | 1.05 | 1560 | 65 | 20 | 1.45 | 0.010 | -3.84 | -13.00 | 5.91 | 150 |
| 8 | 200 | 8.02 | 203.7 | 8.56 | 217.5 | 0.89 | 22.5 | 1.39 | 2070 | 65 | 20 | 0.73 | 0.005 | -3.84 | -13.00 | 7.87 | 200 |
| 10 | 250 | 9.92 | 252.0 | 10.80 | 274.2 | 0.98 | 25.0 | 3.78 | 5620 | 32 | 10 | 0.73 | 0.005 | -4.87 | -16.50 | 13.78 | 350 |
| 12 | 300 | 11.93 | 303.0 | 12.92 | 328.2 | 1.18 | 30.0 | 4.13 | 6150 | 32 | 10 | 0.73 | 0.005 | -4.87 | -16.50 | 13.78 | 350 |











