Home > Technology > Instruction of Choosing Suitable Duct Rodder
The duct rodder is commonly used for cable and wire laying in the conduit. It makes the cable and wire to get through the conduit easily. The rod of duct rodder varies from 4.5 mm to 16 mm. The surface treatments are galvanization, painting and PVC coating. The common surface treatment is painting and it can suit most environment.
The different sizes of duct rodder are used for different conduits and the copper wire inside make the rod traceable.
Choosing duct rodder according to conduit size:
| Conduit size (mm) | Recommend duct rod size (mm) |
|---|---|
| 13 | 5 |
| 19 | 5 |
| 25 | 5, 6 |
| 32 | 5, 6 |
| 38 | 6, 7, 8 |
| 51 | 6, 7, 8 |
| 64 | 6, 7, 8 |
| 76 | 8, 9, 10, 11, 12, 13 |
| 89 | 8, 9, 10, 11, 12, 13 |
| 102 | 8, 9, 10, 11, 12, 13 |
| 127 | 11, 12, 13 |
| 152 | 11, 12, 13 |
| 203 | 13, 14 |
Choosing duct rodder according to environment:
- The painted frame is suitable for common environment. The color can be silver, black, red, blue, green and so on.
- The galvanized duct rodder is suitable for rainy and corrosion environment. The color is silver.
- The PVC coated duct rodder can resist corrosion of acid , alkali and moisture. The color is black.
Choosing duct rodder according to strength and mini bending radius:
| Rod diameter (mm) | Duct rod pull strength (N) | Mini bending radius (mm) |
|---|---|---|
| 5 | 890 | 76 |
| 6 | 1557 | 127 |
| 8 | 4226 | 178 |
| 11 | 4226 | 280 |
| 13 | 6227 | 280 |
Choosing duct rodder according to project:
- The fiberglass duct rodder is used for common project.
- The fiberglass rod with copper or iron wire inside is used for project which need to trace the rod position.
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