Tunetanken access shafts for cleaning and inspection access and possibly for descending into the tank.
Corrosion-free cover in fiber-reinforced composite with rubber caskets can be purchased separately. The cover ensures that the rules for easy opening of tanks are complied and minimises odour nuisances around the tank. It is possible to buy other types of covers in materials such as cast iron and composite with frame.
| Diameter | Length | Variant type | Material |
|---|---|---|---|
| 315 mm | 300 mm | Welded on | Composite |
| 425 mm | 300 mm | Welded on | Composite |
| 580 mm | 300 mm | Welded on | Composite |
| 780 mm | 300 mm | Welded on | Composite |
| 1000 mm | 300 mm | Welded on | Composite |
| 1250 mm | 300 mm | Welded on | Composite |
| 1500 mm | 300 mm | Welded on | Composite |
| 1600 mm | 300 mm | Welded on | Composite |
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