| Material category | Metal |
| RXNR | 81-6-S |
| Designation | Dueker - MLB (BML alt) |
| Manufacturer | Düker |
| DN | 300 |
| Pipe end | Spigot |
| Material name | Gray cast iron with lamellar graphite |
| Color (exterior) | Gray |
| Applications | Drainage, Bridges, Industry |
| ID (mm) | 314 |
| OD (mm) | 326 |
| Wall thickness (mm) | 6 |
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