Circular Water Storage Tanks in South Africa
Circular water storage tanks from ViewTanks offer a durable, space-efficient solution for a wide range of water storage needs across residential, commercial, and agricultural sectors.
Designed to accommodate the natural stress of water pressure, the round shape distributes weight evenly, adding to its structural integrity and longevity.
These tanks are constructed using prefabricated, modular panels, allowing for quick assembly on-site with minimal preparation. Whether you’re storing potable water, rainwater, or process water, ViewTanks’ circular tanks are ideal for environments that demand flexibility, strength, and reliability.
They are also highly customizable, available in various diameters and heights to suit specific storage requirements.
Backed by years of experience and locally manufactured to meet South African conditions, ViewTanks’ circular tanks represent a robust investment in sustainable water infrastructure.
We also offer a selection of sectional steel tanks to help you find the perfect fit for your capacity and site requirements.
Why Choose Circular Tanks?
Circular water tanks are widely regarded as the strongest and most efficient tank design available, and for good reason.
Structurally, the circular shape naturally distributes internal pressure evenly along the walls, reducing stress points and greatly increasing its durability over time. This means circular tanks are less prone to deformation or structural failure, making them ideal for long-term water storage under varying environmental conditions.
From a space and materials perspective, circular tanks offer a more economical footprint. Their design minimizes surface area relative to volume, which not only saves space but also reduces the amount of material required for construction, resulting in cost savings without compromising strength.
The reduced surface area also limits exposure to external temperature fluctuations, helping to regulate internal water temperature more effectively.
Circular tanks are also easier and faster to install, often requiring minimal site preparation. Their modular, prefabricated panels allow for efficient transportation and assembly, especially in remote or rural areas.
Technical Specifications
ViewTanks’ circular bolted tanks are engineered for robust, long-term water storage at ground level, accommodating capacities from 7,700 litres to 1,136,000 litres. Custom designs for larger capacities are available upon request.
Materials and Construction:
- Shell Plates: Fabricated from mild steel and hot-dip galvanised post-manufacture, ensuring superior corrosion resistance for potable water storage.
- Panel Thickness: Minimum of 2.5mm, varying based on tank depth and diameter.
- Sealing: Rubber gaskets seal panel seams; no internal liner required for sidewalls.
- Flooring: Features a 1mm factory seam-welded waterproof geomembrane, laid over sand with an interposing geo-fabric layer for added protection.
- Roofing: Constructed from galvanised cold-rolled sheeting with a closed-profile interlocking design to prevent dust and water ingress.
Compliance and Standards:
Designs adhere to the ANSI/AWWA D103-97 specifications for structural integrity and safety.
Standard Features:
- Access ladders
- Access manhole
- Water level indicator
Installation Requirements:
Minimal site preparation is needed. A flat, level circular base with compacted soil suffices. For larger tanks, a concrete ring beam is recommended to prevent soil erosion and provide wind resistance when empty. Adequate space around the tank perimeter is necessary for scaffolding during assembly.
Applications of Our Circular Tanks
ViewTanks’ circular bolted steel tanks are engineered for versatile water storage solutions across various sectors in South Africa. Their robust design and compliance with international standards make them suitable for a wide range of applications.
- Agricultural Use: Ideal for irrigation systems, livestock watering, and rainwater harvesting, these tanks support sustainable farming practices by providing a reliable water supply.
- Fire Protection: Serving as dedicated reservoirs, the tanks provide an essential water source for firefighting systems, adding to safety measures in residential, commercial, and industrial settings.
- Industrial Processes: In manufacturing and processing industries, the tanks are utilized for storing process water, cooling water, or as part of wastewater treatment systems, contributing to efficient operational workflows.
- Municipal and Community Water Storage: The tanks support local governments and communities by storing potable water, aiding in water conservation efforts and securing a consistent supply during peak demand or shortages.
With capacities ranging from 7,700 litres to over 1,136,000 litres, and the option for custom designs, ViewTanks’ circular tanks offer scalable solutions tailored to specific needs. Their modular construction allows for quick installation with minimal site preparation, making them a practical choice for diverse applications.
Installation and Maintenance
Installing a circular water tank from ViewTanks is a straightforward process designed for efficiency and minimal site disruption. The modular, prefabricated panels are easy to transport and assemble on-site, requiring only basic tools and scaffolding.
Tanks are built on a flat, level surface, typically compacted soil or crusher dust, making installation possible even in remote or rural locations. For larger tanks, a reinforced concrete ring beam is recommended to provide additional structural stability, prevent soil erosion, and ensure resistance to wind uplift when the tank is empty.
Maintenance of ViewTanks’ circular tanks is simple and affordable. The hot-dip galvanised steel panels are highly resistant to corrosion, reducing the need for frequent interventions. Regular visual inspections are advised to check for any debris, gasket wear, or external damage.
The geomembrane liner at the base is factory seam-welded for waterproofing, and its performance can be preserved by avoiding sharp or abrasive materials during cleaning.
Thanks to their low-maintenance design and durable construction, ViewTanks’ circular tanks are a long-term solution for reliable water storage. Proper installation and routine checks will ensure optimal performance and longevity over many years of use.
