| Material category | Metal |
| RXNR | 81-1-S |
| Pipe name | MLB (BML old) |
| Manufacturer | Düker |
| DN | 100 |
| Pipe end | Spigot |
| Name of material | Gray cast iron with lamellar graphite |
| Color (outside) | Gray |
| Operational area | Drainage, Bridges, Industry |
| Di | Inside (mm) | 103 |
| Da | Outside (mm) | 110 |
| Wall thickness (mm) | 3.5 |
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