Graf Septic Tanks

Description

Floating and removable material is extracted from domestic wastewater in mechanical septic tanks.

This is pure mechanical cleaning, for which you need 500 litres of capacity per inhabitant

If you assume a volume of 150 litres, the wastewater passes through the system in 3 days

These septic tanks must have a total volume of at least 2000 litres

A 2000 litre system is sufficient for 4 inhabitants, another 500 litres must be incorporated for each additional inhabitant

Its low weight so it can also be installed in difficult local conditions without a crane

Reasonable purchase and installation costs

Maintenance or cleaning work can be performed through the access shaft