Technology
                                                

RIKUTEC, our German partner, is the company that invented, designed, patented, manufactured its machine, and finally produced the double-walled plastic underground storage tanks. After the tank parts are manufactured by the multilayer blowing method called "Co-Extrusion Blow Molding", they are combined with the automatic extrusion welding method in the factory environment.

Double Wall

The AT 204 has a double-walled structure. The profiled and closed-cell ribs that make up the outer wall give its own reinforcement to the building, in other words its own spine. Thanks to this patented production technique of our German partner RIKUTEC, the tank is provided with a unique load resistance, and buried directly under the ground without any additional equipment. Even after proper installation, the top surface of the tank can be opened to the vehicle traffic (maximum axle load 11,5 tons).

Technology
● Storage tanks are produced in Turkey, with German and French technical knowledge.

Place Of Use
● Underground applications.
● Under the areas such as parking area.
● In the places where the housing is not allowed.
● In the sensitive locations where sealing is essential such as water basins.

Intended Use
● Storage of drinking water, utility water, rain water, fire water, landscape water.
● Storage of cooling water, process chemicals, etc. in enterprises.
● Collection of garbage leaking water in the solid waste landfills.
● Waste water supply station.
● Settling and reactor tank in package treatment systems.
● Rainwater tank.
● Sealed septic tank.

Material
● The PE raw material used is UV stabilized. Because of this, even when the storage tank is open, it is not affected by ultraviolet rays, it does not harden, its color does not fade.
● Polyethylene is resistant against many chemicals (upon request, detailed list will be provided).
● The polyethylene storage tank does not need to be isolated against heat, water and chemicals.
● Polyethylene tanks do not rust, rot, mold, vomit in any way.
● Polyethylene tanks are not affected by the salt content or salty water in the soil near the sea.
● Polyethylene is a material with a very long lifetime.
● Polyethylene is a stretchable and shock absorbing material. So that, it does not crack in the ground movements and maintain its leakproofness.

● Polyethylene performs very well even under frosting level..

Structural
● The storage tanks are solid.
● The storage tanks are double-walled. The outer surface has a rib-shaped structure, but the inner surface of the tank is flat.
● It can be connected in series or parallel with the connection pipes and theoretically infinitely large storage volume can be obtained.
● If a separator is inserted into the tank during the production phase, 2 or more independent storage volumes can be obtained.
● Storage tank capacities range from 5,000 liters to 51,500 liters

Resistance
● Storage tanks are not affected by soil pressure, seismic movements, vibrations transmitted by surrounding vehicles, and heat changes.
● Even vehicle traffic (up to 11.5 ton axle loaded truck according to DIN 1072) can be possible on the tank with proper installation.
● The storage tanks are capable of functioning in areas where the underground water level is high and the water pressure in the negative direction occurs..

Cleaning & Health

● The fact that the interior wall of the storage tank is smooth (non-ribbed) creates a surface that can be easily cleaned.
● The PE masterbatch used does not contain lead and carcinogenic additives.
● Polyethylene is a material that has no harm in contact with drinking water and food.

● Bacteria can not penetrate to the smooth surface of polyethylene and can not hold onto it.

● Polyethylene is one of the most preferred materials in food packaging.

● The storage tanks do not take the sun's heat and not transmit its rays due to their thickness, double-walled structures, colors and especially being underground. For this reason, algae does not occur in the stored water.

Visuality
● Contrary to aboveground storage tanks, underground storage is a solution that removes visual pollution.
● The green cover is an environmentally compatible and highly visual solution, especially in the landscape.

Use Comfort
● The underground tank keeps the coolness of the liquid it contains and thanks to the EPDM sealing gaskets on the covers no evaporation or loss of fluid occurs.
● When a standard manhole of 85 cm height is used, the tank is located under the frost level of many city.
● The stored water / liquid is cool in summer and warm in winter.

● The stored water / liquid is minimally affected by summer-winter, day-night temperature changes.

● The taste and smell of drinking water stored in a cool environment does not change.

● Thanks to the inspection opening with internal diameter of 65 cm in the tanks, the tanks can be easily accessed with sailor ladder.

Practical Application
● The tanks is delivered ready for installation. Additionally, there is no mold, iron reinforcement and concrete, time, workmanship and associated cost losses.
● The solid and light construction of the tanks speed up transportation and installation works.

● The tanks are too much lighter compared to other traditional tanks, workmanship is fast and easy.

● The application is not largely dependent on weather conditions.

● When required, they can removed from the excavation area and can be  transported and re-buried to another location.
● Upon the request, thanks to the mechanical room integrated with the tank, it can be enabled safe and quiet operation of equipment such as pumps and hydrophore

Treatment & Septic
● HDPE storage tanks are not affected by acid and base compositions contained in black wastewater, and are not irritate.
● Storage tanks are absolutely leakproof.
● Depending on the requirements, the connection space for the installation of the diffuser and other equipment in the tank can be prepared.
● In the septic storage, waste water is stored in cool conditions and odor formation remains at a minimum.
● The noise pollution caused by the pumps in the treatment operations remains at a minimum.
● In biological treatment operations, bacteria are protected from extreme temperatures and optimum living conditions are ensured.
● Thanks to the flat internal walls of the storage tank, especially in the septic operations, the sewage truck is allowed to discharge the storage tank completely.

Storm Water
● If sewer pipes are blocked or remain inadequate in rain showers suddenly overtaken, short-term and expensive floods may occur. Taking the rain water to intermediate reservuars of AT 204 and then giving it to the sewerage system can prevent these floods.

Economic
● The tanks do not require maintenance / repair.
● Thanks to underground tanks, there is not loss of space in the valuable area, especially in the building..
● Underground tanks and its benefits increase the added value of buildings.

Safety

● The threaded tank caps are tightened with a "cap driver key" supplied with the tank. It is extremely difficult to open a tightly closed cap with bare hands without this key. Thanks to this measure, especially children are prevented from opening the cap.
● The overground tanks placed in the building, in the basement, in the parking garage, bring up static loads as much as the sum of their own weights and the liquid weight that they contain on to the building. However, the tanks buried under the ground outside the building do not put unnecessary and dangerous burdens on the structure. 

Environmental
● All the tanks are manufactured from 100% recyclable polyethylenes.
● Sealed tanks do not damage nature.


Double Wall

The AT 204 has a double-walled structure. The profiled and closed-cell ribs that make up the outer wall give its own reinforcement to the building, in other words its own spine. Thanks to this patented production technique of our German partner RIKUTEC, the tank is provided with a unique load resistance, and buried directly under the ground without any additional equipment. Even after proper installation, the top surface of the tank can be opened to the vehicle traffic (maximum axle load 11,5 tons).

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Internal Surface
  • Despite the strength profile of the outer surface, the internal surface is flat. This feature makes it very easy, quick and efficient to clean the tank.
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