Bell units, models, capacity and finishes
Underground bell containers
Sotkon APTO underground bells from Bunder Waste hold 3–5 m³ below grade with a monolithic shell, stainless chutes and top-loading emptying (Kinshöfer FLEX mushroom, hooks, Palpeur or F90). Suited to eco-islands in towns, squares and high-capacity districts.
Catalog
Product range
Technical page, configurations and use cases for underground bell units.
Sotkon · APTO
Underground bell-shaped containers
Sotkon’s APTO system, distributed in Italy by Bunder Company SRL under Bunder Waste, holds 3 to 5 m³ below grade with a monolithic shell, hot-dip galvanised st…
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Sotkon · Kynetik
Torrini per conferimenti
Sotkon’s Kynetik chute complements APTO islands with urban stainless-steel design: ergonomic depositing, outdoor durability and stream-specific customisation.
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Sotkon · APTO · F90
Presa e raccolta APTO
On Sotkon APTO underground bells, the F90 coupling enables bilateral collection with a cab-controlled crane, alongside FLEX Kinshöfer and other lift options.
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Sotkon · Qubus F
Torrini per conferimenti
Sotkon’s Qubus F chute from the APTO F collection brings contemporary lines, metallic finishes and optional Sotkis smart accessories (access, fill level, PAYT)…
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Recommended products
More solutions in the Underground containers range and related families.
Sotkon · APTO
Underground bell-shaped containers
Sotkon’s APTO system, distributed in Italy by Bunder Company SRL under Bunder Waste, holds 3 to 5 m³ below grade with a monolithic shell, hot-dip galvanised st…
View productSotkon · Kynetik
Torrini per conferimenti
Sotkon’s Kynetik chute complements APTO islands with urban stainless-steel design: ergonomic depositing, outdoor durability and stream-specific customisation.
View productSotkon · APTO · F90
Presa e raccolta APTO
On Sotkon APTO underground bells, the F90 coupling enables bilateral collection with a cab-controlled crane, alongside FLEX Kinshöfer and other lift options.
View productSotkon · Qubus F
Torrini per conferimenti
Sotkon’s Qubus F chute from the APTO F collection brings contemporary lines, metallic finishes and optional Sotkis smart accessories (access, fill level, PAYT)…
View product
Traflux · ZBin
Semi-underground polyethylene containers
Semi-underground and above-ground polyethylene bell units for source-separated collection: configure internal bag, PE tub or steel liner, capacities up to 5,00…
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Traflux · RBin
Semi-underground steel containers
Bunder Company semi-underground steel containers combine the robustness typical of fully underground systems with easier installation.
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Recommended articles
Linked guides and articles: operational context, design choices and useful references.
ArticleLuca di LeoneWaste collection in historic centres: designing underground collection systems
How to design waste collection in historic centres with underground containers: constraints, capacity, urban integration and Sotkon APTO.
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ArticleLuca di LeoneSmart bins and access control: how digital eco-islands work
Access control, badges and telemetry: what to specify when designing an eco-island with fill-level data and user management.
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ArticleLuca di LeoneHow to design an underground eco-island: space, capacity, vehicles and civil works
Designing an underground eco-island: volumes, fractions, layout, traffic, collection vehicles, civil works and emptying systems to define before procurement.
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