Otto Graf GmbH
Plastic Products
Tel. +49 7641 589-0
Fax +49 7641 589-50
Carl-Zeiss-Straße 2-6
DE-79331 Teningen, Germany

Carat XL wastewater tank vehicle loading

Application for decentralized sanitation, as a component for small wastewater treatment system.

Dimension drawing
Carat XL 8,500 l
pdf 350 kb
Carat XL 10,000 l
pdf 369 kb

  • Suitable for loading up to 12 t
  • Can be mounted in groundwater
  • Dome opening with stainless steel profile for precision fit and secure mounting
  • Lower weight than concrete and steel
  • Various connection surfaces DN 100/150
  • Investment security thanks to a 15-year warranty

8,500 l

order no.Length (mm)Width (mm)Height (mm)Weight (kg)add to enquiry

10,000 l

order no.Length (mm)Width (mm)Height (mm)Weight (kg)add to enquiry

Technical details

max. earth covering (mm) (without groundwater, vehicle loading)max. axle load (t)max. vehicle weight (t)
Earth covering with loading capacity (mm)Earth covering with groundwater installation (mm)


Telescopic dome shaft with cast iron lid, suitable for vehicle loading


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