The Carat XXL underground tank has been specially developed for rainwater harvesting and for use as a retention cistern, firefighting water tank, process water tank and septic tank.

Available in the following versions

  • Flexibility and stability are perfectly combined
  • No need for heavy load transport on trucks up to the size of 76,000 ltrs
  • Secure investment thanks to the market leading 15-year warranty!
  • Lorry bearing up to 40 t
  • Groundwater-stable
  • Dome opening with stainless steel profile for precision fit and secure mounting
  • Lighter than equal tank made of concrete or steel
  • Numerous DN 100/150/200 connection surfaces
  • Optional DN 300 connection
  • Optional second tank dome
  • Up to 122,000 litres on request

Sizing

Volume [l]Length [mm]Width [mm]Height [mm]Weight [kg]order no.add to enquiry
16000453025003160750380001
220006200250031601000380307
260007045250031601150380002
320008530250031601360380308
360009430250031601495380309
4200010915250031601705380310
4600011815250031601840380311
5200013300250031602050380312
5600014200250031602185380313
6200015240250031602395380314
6600016585250031602530380315
7200018070250031602740380316
7600018970250031602875380317
8200020455250031603085380340
8600021355250031603220380341
9200022840250031603430380342
9600023740250031603265380343
10200025225250031603775380344

calculated size Request for information

Technical details

Installation

max. earth covering [mm] (without groundwater, vehicle loading) 1500

Accessibility

max. axle load [t] 8

Groundwater installation

Earth covering with groundwater installation [mm] 800 - 1500

General

Warranty period (years) 30

Accessory