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Flexible Tanks | Greentank - Reservoir Souple

Supplier: CST Wastewater Solutions

The Pronal flexible tanks bring the answer to sewage water storage needs : clarification sludge, liquid waste, industrial sewage water, liquid manure.

Price Guide: POA

This solution offers the following advantages:

  • simple and fast to install, economic and reliable.
  • These tanks, made from high strength fabric coated with plastomer, are perfectly adapted to the storage of sewage water with pH from 4 to 9.
  • The tanks can be manufactured to measures according to the dimensions of the dedicated location.


  • Coated fabric: polyester textile support coated with polyvinyl chloroprene (PVC)
  • weight: 1100 g/Sq.m (NF EN ISO 2286-2)
  • Tensile strength: 360/340 daN/5cm (NF EN ISO 1421)
  • Tear strength: 55/50 daN (DIN 53363)
  • Temp. mini/maxi: - 40°C / + 70°C
  • Colour: green


  • Flange with valve 2’’/3’’/4’’ and symmetrical coupling type Guillemin
  • Vent dia. 140 mm with vapour release system
  • 1 flexible manhole dia. 400 mm from 50 m3
  • 4 plastic corner plates for reinforcement


  • Drain for the recovery of clear water
  • Sinkable agitator for the mixing of mud
  • Vent with carbon filter
  • Straight draining fitting dia. 150 or 200 mm