Nagase RooTAC (TOTAKU)
Nagase RooTac TOTAKU Ducting Hoses MD-45

Manufacturer: Nagase RooTAC Industries, Inc.
Model: MD-45
Feature
- Made entirely of stainless steel (SUS304) with excellent heat resistance, suitable for use at temperatures up to 842°F (450°C).
- Resistant to corrosion from gases containing acids, alkalis, and solvents at room temperature.
- Designed for fixed ducting but can be shaped to include bends. (Not suitable for repeated bending.)
Standard Dimensions and Properties

| Nominal Diameter | Inner Diameter | Outer Diameter | 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 | lbs/ft | g/m | feet | m | psi | MPa | inHg | kPa | inch | mm |
| 2 | 50 | 2.07 | 52.5 | 2.20 | 56.0 | 0.25 | 365 | 6 | 2 | 1.02 | 0.007 | -3.10 | -10.5 | 6.69 | 170 |
| 2.5 | 65 | 2.64 | 67.0 | 2.81 | 71.5 | 0.31 | 460 | 6 | 2 | 1.02 | 0.007 | -2.95 | -10.0 | 8.27 | 210 |
| 3 | 75 | 2.99 | 76.0 | 3.15 | 80.0 | 0.35 | 525 | 6 | 2 | 1.02 | 0.007 | -2.95 | -10.0 | 9.45 | 240 |
| 3.5 | 90 | 3.60 | 91.5 | 3.74 | 95.0 | 0.38 | 570 | 6 | 2 | 1.02 | 0.007 | -2.66 | -9.0 | 11.42 | 290 |
| 4 | 100 | 4.04 | 102.5 | 4.17 | 106.0 | 0.43 | 635 | 6 | 2 | 1.02 | 0.007 | -2.36 | -8.0 | 12.60 | 320 |
| 5 | 125 | 5.02 | 127.5 | 5.16 | 131.0 | 0.52 | 780 | 6 | 2 | 1.02 | 0.007 | -2.07 | -7.0 | 14.96 | 380 |
| 6 | 150 | 6.00 | 152.5 | 6.10 | 155.0 | 0.62 | 930 | 6 | 2 | 1.02 | 0.007 | -1.92 | -6.5 | 16.54 | 420 |
| 7 | 175 | 6.95 | 176.5 | 7.09 | 180.0 | 0.69 | 1030 | 6 | 2 | 1.02 | 0.007 | -1.92 | -6.5 | 20.08 | 510 |
| 8 | 200 | 7.95 | 202.0 | 8.07 | 205.0 | 0.83 | 1240 | 6 | 2 | 1.02 | 0.007 | -1.77 | -6.0 | 22.44 | 570 |
| 10 | 250 | 9.96 | 253.0 | 10.08 | 256.0 | 1.06 | 1570 | 6 | 2 | 1.02 | 0.007 | -1.33 | -4.5 | 30.31 | 770 |
| 12 | 300 | 11.95 | 303.5 | 12.07 | 306.5 | 1.41 | 2100 | 6 | 2 | 1.02 | 0.007 | -1.33 | -4.5 | 36.22 | 920 |
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