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Choke drain shaft, suitable for pedestrian loading/vehicle loading

Ensures controlled rainwater draining to the channel when the infiltration system is overloaded. 

Sizing form/
Tender file
Dimension drawing
Choke drain shaft
pdf 787 kb
Choke drain shaft
Choke drain shaft
pdf 98 kb

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


Choke drain shaft, suitable for pedestrian loading

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

Choke drain shaft, suitable for vehicle loading

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


Lifting pump set for choke drain shaft

Universal for Platin, Carat, and Carat XL, including submersible pump 300 I


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