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Production
Plastic tanks are made via either rotary molding or plastic injection molding. Typically, manufacturers begin the process by creating a stainless steel canister-shaped mold. The mold details are mapped out on the computer. They then fill the canister mold with plastic granules or powder, seal it and rotate it over a heat source. This allows the plastic material to melt into the mold. Manufacturers then allow the plastic to harden and cool. Once done, they open up the canister to reveal the tank inside. To vary tank thickness, manufacturers just use more or less plastic material.

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General Description

Flomac Water and Liquid Storage Tanks are manufactured through a rotationally molding process. The manufacturing thereof uses only locally produced raw material...

viz HR 486 low
linear density polyethylene from SASOL POLYMERS which is specified in the SASOL datasheet. The tanks can be manufactured in any colour requested by the client and they vary in size from 1000 litres to 5000 litres.
The tanks have a black inner lining as an algae prevention
measure. The wall thickness varies from 3 mm to 6 mm depending on the size of the tank.
The tanks come with a high quality 50/40 mm overflow at the top and a 40 mm tank connector at the bottom. The fittings are also colour coded as per the colour of the tank. The lid is 480 mm in diameter and comes with 2 e-clips.

Manufacturing process

The Flomac Water and Liquid Storage Tank moulds are coated with a release agent and heated in the oven.HR 486 low linear density polyethylene supplied by..

SASOL POLYMERS is used in the process. After the pulverizing process, colour pigments are blended into polyethylene using a high speed mixer. The mould is charged with a pre-determined weight of raw material. With the lid of the mould closed, the materials are rotationally heated in the oven for a period of time. This process is also repeated for the black inner liner.
Once the oven process is complete the mould is removed to the cooling area where it rotates for a period of time whilst being cooled by a high speed fan. The product is then de-moulded and the finished is quality checked for wall thickness, smoothness, defects etc.
The finished product is then moved to the finishing area where the fittings, lids and stickers are installed. A final check is then conducted to ensure that the tank meets all the requirements before leaving the factory to the clients.

Installation Requirements

It is imperative for the tanks to be installed as per the installation instructions in the installation manual which cover the basic requirements as follows:

the water storage tanks must be installed in an upright position, supported on a level smooth base the surface must be free from sharp objects such as nails, bolts and unlevelled concrete stones

the water storage tanks must be installed 1 m away from the buildings and boundaries and away from combustible materials the water storage tanks must be positioned in such a way that maintenance, safety and replenishing are accessible

the water storage tanks must be installed in such a way that they are not affected by strong winds and all connections must be supported to avoid strain on fittings and tank wall these tanks are not suitable to be installed below ground level.

Flomac Water and Liquid Storage Tanks must be handled with extra care when preparing for deliveries and transportation to ensure that they are not scratched or damaged.

The tanks must be moved by being lifted or rolled (empty) from one spot to another.

A forklift must be used to lift the tanks from ground level onto delivery trucks or trailers.

Once loaded, the tanks must be tied with ropes and fastened to ensure the load is safe.

Tanks must be covered with netting to maximize safety and to prevent damage.

To avoid unnecessary damage, care should be exercised in handling the tanks which must never be:

Dragged or rolled over an abrasive surface transported in a manner whereby a point load is exerted on the tank or it rests upon a sharp object over-tightened during transport to the extent that a visible deflection is noticed and dropped when offloaded.

Installation Process

The support base must be able to support the full weight of the tanks with contents.
Ensure that the support base is large enough to ...

fit the entire tank, no overhanging must be allowed.
Support base must be free from any debris such as nail, sharp object, stone etc. Competent professional engineers must be consulted when using elevated support bases.
Contents should not exceed the height of the overflow and Tanks should never be installed near hot gasses.
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Flomac Certification

In the opinion of Agrément South Africa, Sonnysthe trading as Flomac Tanks as described in the accredited certificate are suitable for the uses specified therein.

For more information on suitability for and the uses specified  

Read More

National Building Regulations

The performance-in-use of the products will be such that the storage tanks will satisfy the requirements of the National Building Regulations.

For more information on the requirements of the National Building Regulations.

Read More
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Proper Care for Plastic Tanks

If you take care of them, plastic tanks can last a long time. Keep reading for a few tips on how to do just that.

1. When handling, always support the tank from the bottom
2. Only ever install or mount the tank on a stable surface that can handle the pressure. Otherwise, it may fall over and rupture
3. Keep materials with the potential to fall away from the tank
4. Keep your tank away from excessive heat (including hot water) and excessive cold
5. Likewise, never put your tank in an environment for which it is not built
6. Never store tanks with flammable liquids near an open flame
7. Clean tanks regularly after use

Address

Old Ford Road 

Salt Rock

Ballito

E-mail

info@flomactanks.co.za

Phone

073 152 2610

Hours

Monday-Friday: 9am to 6pm

Saturday: 10am to 2pm

Sunday: Closed

CONTACT US

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