Flexitank Systems – Liquid Water Solutions South Africa

PI Steel water storage Tanks

Our Pi steel water storage tanks come in two options, Aluzinc or galvanised. Aluzinc PI steel water storage tanks are made with a mixture of Iron, silicon and Aluminium frames and Galvanised are the more affordable option that is galvanised from the coil.  Both PI water storage steel tanks comes with an inner liner of PVC or TPU depending on stored liquid or usage off the industrial tank. 

Pi steel water storage tanks
Steel Water storage tanks
pi Steel water storage tanks
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water reservoir

Revolutionize your water storage needs!  Engineered with precision and crafted for durability, this exceptional tank sets a new standard in the industry. Discover the cutting-edge features and unparalleled benefits that make our tank a game-changer:

– Unmatched storage capacity with our unique lap-joint design
– Effortless transportation and assembly
– Versatility in applications – from firewater reserve to industrial storage
– Exceptional strength and durability
– Cost-effective and long-lasting

Experience the future of water storage solutions with FTS Pie 3.14 Steel Water Tank. Upgrade your storage needs today!

PI Round Steel Water storage Tank

Industries Used In

Storable liquids

FTS tanks has done the research and has successfully designed and made the PI steel water storage tanks to store various liquids.  This is an industry first and a design registered product.  FTS tanks can successfully store the following and more in the circular PI steel storage Tanks:  

  • Diesel
  • Greywater
  • Jet A1
  • Paraffin
  • Sewage
  • Water
  • Vegetable oils
  • Fish Oils
  • Molasses

If you can provide us with the MSDS for your specific liquid we will run a free test to see if it is compatible with our Tanks.  We have different Tanks made from specialised materials to ensure safe and durable utilisation.  Furthermore we will provide you with a 5 year guarantee, and we pride our self as a business to be on call 24/7 for emergencies and have installation teams on stand by through out Southern Africa. 

Steel water storage tanks
Bulk water storage tanks

Exceptional Quality

FTS 𝝅 3.14 (PI steel water storage tanks), a game-changer in storage solutions! Our innovative lap-joint design eliminates internal bracing, maximizing storage capacity like never before. With effortless transportation and assembly, our Pi steel water storage tanks have gained worldwide popularity. Imagine a 2 million liter tank weighing only 9 tons, making transportation a breeze! Our versatile tanks cater to diverse applications, including firewater reserve, rainwater harvesting, agricultural needs, community water storage, and various industrial uses such as diesel, paraffin, and HFO storage, demineralized water, grey wastewater, and potable water stockpiling. Experience the convenience and efficiency of our revolutionary tanks – opt for FTS 𝝅 3.14 for your storage needs!”

FTS Pi Steel Water storage Tanks embodies the same exceptional quality and versatility as our Aluzinc Tank, making it the ultimate solution for all your water storage needs. Its durable construction, adaptable design, and eco-friendly options set it apart as a reliable choice for a variety of industries. Contact FTS Tanks today to learn more about how the FTS Pie 3.14 Steel Water Tank can benefit your specific project.

steel water tank
Round Water tank
water storage tanks

Available standard sizes

Custom sizes available on request
Blending with the Environment

We understand the importance of aesthetics, especially when it comes to rural and domestic water storage. That’s why the FTS Steel Water Storage Tanks can be produced in optional polymer-coated colours that blend seamlessly with the environment. This ensures that your tank not only performs flawlessly but also complements its surroundings.

PI steel water storage tanks Multiple Applications

FTS Pi Steel Water storage Tanks is incredibly versatile. It finds applications in agriculture, irrigation, stock and poultry farming, industrial and mining sectors, wastewater treatment plants, township development, and even for storing potable water in security estates. Its exceptional fireproofing qualities also make it an ideal choice for firewater storage tanks.

sectional steel water storage tanks

Not what you are looking for?

Have a look at some of the other solutions provided by Flexitank Systems

Corrugated reservoir

Corrugated Tanks

Corrugated tanks is a great standby facility for your house, office or factory for when the suppliers of water let us down or simply to save money.

Fuel bladder

Tank Bank Integration

Tank Bank Integration is A Liquid storage tank bank can be fully integrated in your computerized dosing and mixing plants.

Bladder tanks

Bladder Tanks

Bladder tanks can be made in a full military specification and have been manufactured with the highest safety standards using the latest technology.

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Flexi Tank ISO LDPE

High-temperature-resistant Flexitank is a Container liquid transportation tank with new heat-resistant material technology.

Heli flexi

Heli Flexi

Heli-Flexies also known as a helicopter water bucket are in use worldwide for disaster relief, homeland security, emergency response, power-line utilities (electricity/power), remote work camps and mining facilities

transportable bladder

Transportable Bladder Tanks

The transportable bladder flexitank breaks the traditional transportation mode, and is applicable to agricultural vehicle, picking-up vehicle, box type vehicle, and flatbed trailers

Aluzinc round steel tank

Aluzinc Round Steel tanks

Our Aluzinc round steel water Tank range successfully tried and trusted by mines, municipalities, industrial, fire protection and rural development


Oil boom

Oil booms contain oil spills, ideally used in harbours where tankers charge and discharge oil. They are usually towed by a marine vessel, empty or filled.

Pressed steel Galvanised tanks

Pressed Steel Tanks

FLexitank pressed steel tanks are suitable for the storage of medium to high volumes of liquids.  Pressed Steel tanks can be tailor made to suite various industrial and residential applications.