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
Tank accessories
