Fab Tanks Africa offer solutions to help with all your water storage requirements. Our goal is to offer the best value for money tank, all the while offering exceptional service and an even better product that you can rely on. We are happy to assist with any project what you may require
Fab Tanks supplies top of the range farm water tank for the agricultural sector where all steel components are hot-dipped galvanized in accordance with SANS 121. This means the steel components are coated with a zinc alloy that protects them from rust and corrosion.
SANS 121 is the South African National Standard that governs specifications and test methods for hot-dip galvanized coatings on fabricated iron and steel products.
The primary purpose of hot-dip galvanizing (HDG) is to combat the corrosion of the steel components, theoretically for up to 100 years. This process significantly improves the longevity, durability and life-cycle cost of an agricultural farm water tank that is used for water supply.
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When steel is exposed to water, iron particles in the material are leaked out due to acidic electrolytes in the water. Oxygen causes these electrons to form hydroxyl ions (OH). The result is what we know as rust which is the reddish-brown flaky coat on metal that forms when iron is exposed to oxygen and moisture.
Hot-dipped galvanization provides three levels of protection: barrier protection, cathodic protection and zinc patina. The coating acts to isolate the steel from oxygen and moisture for long-lasting corrosion protection.
It works where the zinc coating is tightly bonded to the base steel components. This dramatically slows down the corrosion rate. Hot-dip galvanized steel corrodes at approximately 1/30th the rate of steel that is not coated.
Hot-dip galvanization makes the steel components resistant to scratches and abrasions. The galvanized coating creates an intermetallic layer that is much harder than the base steel, and at the same time is able to efficiently absorb knocks, bumps and scrapes.
The galvanized coating settles into corners and edges at the same thickness as the flat surfaces of the agricultural water tank. As a result, there are no open cracks and holes where oxygen and moisture can creep in and corrode the underlying steel.
Hot-dip galvanized coating is suitable for harsh environments which makes it the ideal application for agricultural water tanks. Hot-dip galvanization can offer decades of maintenance-free corrosion protection for the harshest environments in South Africa.
Steel and zinc are both 100% recyclable which makes hot-dip galvanized steel water tanks an environmentally-friendly choice for farmers. The only environmental impact of hot-dip galvanization is the actual production itself but thereafter these water tanks provide positive environmental benefits for future generations.
An agricultural water tank is designed to provide a sustainable supply of water that is free of contaminants, such as bacteria, viruses, algae, accumulated minerals and gas. It’s important that farm water tanks are produced free of nodules, blisters, roughness and sharp edges which are susceptible to corrosion.
When it comes to cleaning your galvanized agricultural water tank, it’s best to inspect it on a 6-monthly basis and cleaned at least every 3 to 5 years, depending on the local environmental conditions. Look for internal and external points that have been damaged and need to be repaired or replaced. It’s important to take a proactive approach to inspecting and maintaining galvanized water tanks to ensure they last longer and save you money in the long run.
The roof cover should be cleaned regularly and repaired when necessary. This is to prevent debris accumulating and not only damaging the roof cover but also possibly contaminating the water, where sediment, leaves and other plant material fall in the water. Ensure overhanging branches are pruned or better, clear an area around the tank to avoid debris being blown over the farm water tank.
Inspect the water tank piping to ensure the pipes are fitted properly, are draining well and free of corrosion and accumulated debris.
A galvanized water tank may give off a metallic taste when it is first filled due to leaching of excess zinc. This is not a problem if the water is being used for irrigation but it might be unpleasant initially if the water is used for drinking and cooking. New galvanized tanks can be filled and then flushed out, depending on whether that is possible with the current drought and availability of fresh, clean water.
Water tanks that are no longer needed should be drained, cut up and removed to a waste disposal site. Empty or discarded water tanks become breeding grounds for mosquitoes.
Give us a call for more details on our high-quality farm water tank options for the agricultural sector. Our team will assist you in finding the best tank that fits your requirements. Alternately, browse through some of our other products on offer today.
