We are market leaders in design and engineering for the industrial wastewater treatment sector

Thermoplastic Tanks

Image: Quotation MarkEnd to end service – design, manufacture, installation & commissioning.Image: Quotation Mark

Chemical Dosing Systems


Gee Thermoplastic Chemical Storage Tanks are manufactured with chemical-resistant linings in either polypropylene or u-PVC GRP laminated reinforced, in a range of styles and sizes up to 150m3.


Base Codes

Base Codes


Roof Codes

Roof Codes


Typical Dimensions

Typical Dimensions


Typical Fittings

  • 1 x 600mm ID manway
  • 1 x 50mm NB PN16 inlet flange
  • 1 x 50mm NB PN16 outlet flange
  • 1 x 150mm NB PN16 ultrasonic flange
  • 1 x 100mm NB overflow to low level plus seal pot fume trap
  • 1 x graduated float level indicator
  • 1 x 100mm NB vent plus cowl
  • Ladders, hooped safety case and instrument access platform

Standard Range of Tank

Where available space on your site is an issue, our bespoke manufacturing service gives you complete flexibility in tank and bund dimensions in BS EN 12573 for pure thermoplastic tanks and BS 4994:1987 for GRP/thermoplastic dual-laminate tanks.

If space is less of an issue, Gee offers a range of standard sizes in both pure thermoplastic tanks and GRP/thermoplastic dual-laminate tanks of up to 60,000 litres capacity.

Standard Range of Tanks & Bund Sizes


Typical Chemical Compatibility

The following chemicals and other liquids are compatible with both Gee thermoplastic and Gee GRP Composite storage tanks:

  • Ammonia
  • Acetic acid
  • Caustic liquor
  • Hydrochloric acid
  • Sulphuric acid
  • Ferric sulphate
  • Ferric chloride
  • Polyaluminium chloride
  • Phosphoric acid
  • Hydrofluosilicic acid
  • Lime slurry
  • Orthophosphoric acid
  • Leachate
  • Sodium hypochlorite
  • Vinegar
  • Bakery shortening
  • Food oils