Underground double-skinned tanks
Technical data:
- Design standards: EN 12285-1 & SANS 1535
- Steel grade – S235JR, S355
- Single or multi-chamber tanks
- Working pressure: max 0,5 bar
- Working temperature: from -20°C to + 50°C
- Outer skin: grit-blasted to grade Sa 2,5 according to PN-ISO 8501-1 and with min. 800μ Polyurethane anti-corrosion coating, tested at 10 kV/14 kV
- Optional internal anti-corrosion protection
Application
Storage of flammable and non-flammable liquids harmful to the environment with a density up to 1,1 kg/dm3 for EN 12285 Class A tanks and up to 1,9 kg/dm3 for tanks EN 12285 & SANS 1535.
Optional equipment:
- Street covers in class C 250 KN and D 400 KN
- Galvanized anchoring bands
- Leak detection systems GOK
Underground storage means safety and space saving.
One of the greatest advantages of underground storage is the possibility of using a high capacity tank: up to 100 000 litres.
Standard tank equipment:
Depending on the client’s requirements, a tank is equipped with:
- a filling pipe with an overfill prevention valve
- suction pipes
- drain pipe for pumping out the water from the bottom of the tank
- gauge pipe for measuring the level with a dipstick
- manual gauge connection
- automatic gauge connection (for a measuring probe)
- vent connection
- spare connection
- VRS connection
Underground tanks according to EN12285-1 & SANS 1535
| Volume | Diameter | Total Length* | Total Height | Total height with speed chassis | Total WEIGHT Single skin | Total WEIGHT Double skin | Shell thickness | Additional chamber weight | Total width with speed chassis | Number of bands | |
| S1 | S2 | ||||||||||
| [m3] | [mm] | [mm]l | [mm] | [mm] | [kg] | [kg] | [mm] | [mm] | [kg] | [mm] | [pcs] |
| 3 5 7 10 |
1600 | 1940 2820 3820 5700 |
1800 | 2080 | 867 1096 1356 1887 |
1280 1621 2009 2781 |
6 | 3 | 315 | 1600 | 2 2 2 2 |
| 10 15 20 25 30 35 |
1900 | 4080 6360 7840 9720 11200 13080 |
2100 | 2380 | 1627 2329 2838 3417 3902 4481 |
2482 3549 4294 5174 5895 6775 |
6 | 3 | 360 | 1900 | 2 2 3 4 4 4 |
| 20 23 25 30 35 40 45 46 50 55 60 |
2500 | 4550 5330 5730 6710 7910 8690 9790 10170 10870 12070 12850 |
2700 | 2980 | 2329 2638 2797 3186 3727 4037 4473 4624 4902 5443 5753 |
3659 4133 4376 4972 5767 6241 6910 7141 7567 8361 8836 |
6 | 4 | 470 | 2500 | 2 2 2 2 3 3 3 3 3 3 4 |
| 30 35 40 50 60 70 80 90 100 |
2900 | 5205 6195 6690 8175 9660 11145 12630 14610 16095 |
3100 | 3380 | 3526 4051 4313 5178 5965 6829 7617 8666 9454 |
5746 6572 6985 8301 9539 10855 12094 13746 14984 |
6 7 |
4 | 620 | 2900 | 2 2 2 3 3 4 4 5 5 |
* Total length within a tolerance of +/-1% to standard
Underground fuel tanks for sale in South Africa – available models
We offer structures for the safe storage of liquids that are hazardous to the environment. These double-walled underground fuel tanks are made of high-quality steel, which allows for the proper storage of a medium that is harmful to groundwater. At CGH Group, we offer such structures for sale in various versions in terms of tank capacity and accessories, tailored to the Customer’s needs and requirements.
We offer storage tanks that complies to South African design standards, European standars, for the safe storage of hydrocarbons, oxygenated solvents (Fuel, Oil, Lubricants and paraffin) and liquids that are hazardous to the environment. We offer our customer two options, singlewall and doublewall high-quality storage tanks, that allows for the proper storage of a product that is harmful to groundwater.
At CGH Group, we offer such tanks for sale in various versions in terms of tank capacity and accessories, tailored to suite our valued Customer’s needs and requirements.
The tanks our company manufacture are both single wall and double-walled. Our single wall option stores product in a steel tank that is coated on the exterior surface for the tank with corrosion protection that protects the tank from corrosive elements present underground.
Our Double wall option stores product in a primary steel tank, a secondary steel tank that serves as additional protection seprated by a small interstitial space for continual monitoring for possible compromise of the primary tank, thus protecting against possible uncontrolled leakage.
The secondary tank is coated on the exterior surface for the tank with corrosion protection that protects the tank from corrosive elements present underground. the stored medium is contained in the inner tank, while the second tank wall has an additional protective function, thus protecting against possible uncontrolled leakage.
The available underground fuel tanks for sale in South Africa are a reliable, environmentally friendly and highly durable solution for the proper storage of the liquid medium.
Tank accessories
