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TOTAKU BELLOW DUCT
- Can be freely expanded and contracted, and can be stored very compactly in about 1/3 of original length.
- Transport is easy and economical because it is small and light in spite of its large diameter.
- Suitable for ventilation for work in manholes and tunnels.
- For other wide applications including ventilation and dust collection in various industries.
| Fluid | Water・hot water、Air (blower) |
|---|---|
| Material | PVC |
| Temperature | -10 ～ 50 |
| Function | ・Duct（blower） |
| Nominal diameter |
Inside Diameter mm |
Outside Diameter mm |
Pitch mm |
Weight (reference) g/m |
L/coil m |
Allowable pressure (at room temperature) MPa{kgf/cm2｝ |
Allowable decompression
power （at room temperature） kPa{mmHg} |
Allowable bending radius mm |
|---|---|---|---|---|---|---|---|---|
| 350｛14｝ | 350.0 | 367.0 | 50.0 | 4040 | 10 | 0.005｛0.05｝ | 1.35｛-138｝ | 350 |
| 400｛16｝ | 400.0 | 418.0 | 60.0 | 4860 | 0.004｛0.04｝ | -0.95｛-97｝ | 400 | |
| 450｛18｝ | 450.0 | 469.0 | 5520 | 450 | ||||
| 500｛20｝ | 500.0 | 520.0 | 6180 | 0.003｛0.03｝ | 500 | |||
| 550｛22｝ | 550.0 | 570.0 | 7250 | -0.70｛-71｝ | 550 |
