Ensures controlled rainwater draining to the channel when the infiltration system is overloaded.
Ideal for high retention drainage
- Choke drain shaft with external access
- Compatible with Platin tank 1,500 to 7,500 l and Carat tank 2,700 to 6,500 l and Carat XL/XXL tank 8,500 to 122,000 litre
- Also possible with other retention tanks
- Volume flow adjustable from 1.0 litres to 2.0 litres per second
- Factory-set volume flow if required
Sizing
| Length [mm] | Width [mm] | Height [mm] | Weight [kg] | order no. | add to enquiry | |
|---|---|---|---|---|---|---|
| Choke drain shaft, suitable for vehicle loading | 620 | 850 | 960 | 55 | 340029 | |
| Choke drain shaft, suitable for pedestrian loading | 620 | 850 | 960 | 24 | 340028 |
calculated size Request for information
