| Material category | Metal |
| RXNR | 49-1-S |
| Pipe name | MLK-protec (KML) |
| Manufacturer | Düker |
| DN | 50 |
| Pipe end | Spigot |
| Name of material | Gray cast iron with lamellar graphite |
| Color (outside) | Gray, Yellow |
| Operational area | Industry, Drainage, Civil Engineering |
| Di | Inside (mm) | 51 |
| Da | Outside (mm) | 58 |
| Wall thickness (mm) | 3.5 |
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