Modular system - wastewater treatment

Choose your system from four different modules:

Carat S

  • Suitable for vehicle loading
  • Size 2,700 - 6,500 litres
  • Max. earth covering: 1500 mm
  • Max. vehicle weight: 12 to (26456 Ibs)
  • Earth covering required for vehicle loading: 800 - 1500 mm
  • Groundwater stability: up to tank equator
  • Eart covering required for groundwater stability: 800 - 1500 mm
  • Connection: DN110 / DN160 / DN200 at the top
  • Used with vehicle loading telescopic tank dome

About Carat S


Tank dome Micro

  • Weight: 7 kg (15 lbs)
  • Including green lid
  • For shallow excavation
  • Earth covering only 90 mm

Tank dome Mini

  • Weight: 11 kg (24 Ibs)
  • For especially shallow installation
  • Incl. 3 sealings for tank dome
  • For systems up to 2 tanks

Tank dome Maxi

  • Weight: 15 kg (33 Ibs)
  • For large earth coverings
  • Incl. 5 sealings for tank dome
  • For multi-tank systems ≥ 4 tanks

Telescopic dome shaft 600 Mini and Maxi

  • Suitable for pedestrian loading

Telescopic dome shaft 600 cast iron, 
universal and for vehicle loading

  • Suitable for vehicle loading

System pack one2clean/one2cleanXtra

  • Wastewater tank with a scum baffle

About One2clean  About one2cleanXtra 

System pack oneAdvanced

  • Wastewater tank with two chambers

About oneAdvanced 

Anaerobix

  • Aerobic filter system for GRAF wastewater tanks
  • Increasing the cleaning performance of a wastewater tank

About Aerobix


Advanced Wastewater Treatment with GRAF Modular Solutions

GRAF offers a comprehensive range of modular solutions designed to meet the highest standards in wastewater treatment. Each module targets specific contaminants and operational challenges, ensuring optimal water quality and system performance. From nitrogen and phosphate removal to remote monitoring and hygiene control, GRAF’s innovative modules provide tailored solutions for residential, commercial, and remote applications.


Bluecycle wastewater re-use

  • Re-use for: watering lawn and flowers, cleaning your vehicle, general cleaning

About Bluecycle wastewater re-use