600 x 600 x 600 (Length Width Height) central inspection opening 500 mm
> 97 %
up to SLW 60 is possible
The Controlbox is well suited for under-surface drainage constructions due to its very high mechanical strength. It serves as inspection tunnels for the VARIO-Box system and can be easily combined with one another owing to its modular design.
The VARIO-Box system allows the height to be adjusted and offers various tunnel openings from 170 to 500 mm in diameter which enables easy installation in the excavated drainage trench. Moreover, these are also used in modern trickle filter systems as an inspection shaft below the actual trickling filter fills.
- High flexibility according to installation situation
Variable dimensions and different strength classes
- High mechanical stability and high load bearing capacity
Stable connection points and wall strengths
- High durability
Use of age-resistant, effective materials
- Complies with all construction standards
Tested and certified in accordance with DIBt
- Low transport costs
Easily clicks together on the construction site without the use of tools