ISO 9001:2015 certified (SGS) Welders qualified to DVS 2205 and 2207 Australian family owned since 1971

Engineer-specified alum (aluminium sulphate) dosing tanks for water treatment plants and industrial process water.

Industrial Plastics fabricates custom alum dosing tanks in HDPE (PE100) and polypropylene (PP-H) for liquid alum (aluminium sulphate, Al2(SO4)3) coagulant dosing in potable water treatment, wastewater treatment and industrial coagulation. From 2,000 L. Veolia and Aquatec Maxcon trusted supply.

Brisbane workshop, since 1971. ISO 9001:2015 certified by SGS. Tanks designed to DVS 2205 and welded to DVS 2207 by qualified welders. Potable applications fabricated to AS/NZS 4020.

Standard configurations

  • Bulk storage, 5,000 L to 50,000 L. Tank-truck top-fill, atmospheric vent, bottom drain. PE100 with sediment-management baffles.
  • Day & dosing tanks, 200 to 5,000 L. Calibrated graduations, level-indicator, pump-mount platforms.
  • Bunded & containment, 110% bund. Integrated or stand-alone. Outdoor-rated UV-stabilised lids.
  • Twin-tank changeover, Duty/standby skid arrangements with isolation valves and shared bund, common on council water treatment plant builds.

Standards we build to

Compliance

  • DVS 2205, thermoplastic tank design (German engineering standard)
  • AS/NZS 4020, products in contact with drinking water (where applicable)
  • AS/NZS 4766, polyethylene storage tanks for water and chemicals
  • AS/NZS 4129/4130/4131, polyethylene pipe and fittings
  • DVS 2207, HDPE and PP weld procedures

Sectors we serve

We fabricate for mining, water treatment, food processing, energy and galvanising and powder coating. Each industry page sets out the scope we deliver, the standards that apply and named project examples. For the full list, see Industries we serve.

Frequently asked questions

What sizes do alum dosing tanks come in?

Bulk storage from 5,000 to 50,000 litres with tank truck top fill and bottom drain, and day and dosing tanks from 200 to 5,000 litres with calibrated graduations and pump mount platforms.

What material is used?

HDPE (PE100) and polypropylene (PP-H), with sediment management baffles in bulk storage tanks.

Are the tanks potable water compliant?

Potable applications are fabricated to AS/NZS 4020, with design to DVS 2205 and AS/NZS 4766 and welding to DVS 2207.

What bunding is provided?

110 percent bunds, integrated or stand alone, with outdoor rated UV stabilised lids.

Can you supply duty and standby arrangements?

Yes. Twin tank changeover skids with isolation valves and a shared bund are common on council water treatment plant builds.

Trusted across the industries we serve

Get an engineered quote

Send drawings, a sketch, or a description of the duty. An engineer reviews every enquiry and confirms receipt within one business day.

Engineer Quote Request

Considering a rotomoulded alternative? Read comparing fabricated and rotomoulded tanks for alum dosing, our full engineer-grade comparison.

Related