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Product Guarantee
Tanks Diamension
Tanks Capacity
Product Range
Guidelines of Proper Installation
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- Always ensure that your tanks rest on a completely flat & smooth surface.
- Always ensure that the bottom of the tank is completely supported.
- The outlet pipe fitted into the tank must be supported.
- Hold the fittings provided in the tank with a pipe wrench while doing plumbing work.
- Always ensure tank manhole is closed and keep the over flow open
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Underground water tank drawing.
Instruction for installing underground water tanks.
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- A concrete base is required as per drawing.
- Install tank on concrete base and fill completely with water..
- Back fill opening using screened sand and water every 10/15 centimeters. Giving full compation to the water tank wall.
- The top slab should be 3 feet more than the tank diameters.
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Underground water tank diamension.
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| Tank type |
Tank Height H1 (mm) |
Manhole Height H2 (mm) |
Total Height H3 (mm) |
Tank Diameter D1 (mm) |
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| 100 Vertical |
740 |
240 |
980 |
920 |
| 200 Vertical |
1100 |
240 |
1340 |
1000 |
| 300 Vertical |
1110 |
240 |
1350 |
1400 |
| 400 Vertical |
1410 |
240 |
1650 |
1420 |
| 500 Vertical |
1390 |
240 |
1630 |
1490 |
| 600 Vertical |
1470 |
240 |
1710 |
1655 |
| 800 Vertical |
1460 |
240 |
1700 |
1840 |
| 1000 Vertical |
1650 |
240 |
1890 |
1840 |
| 1200 Vertical |
1900 |
240 |
2140 |
1840 |
| 1500 Vertical |
1900 |
240 |
2140 |
2120 |
| 2000 Vertical |
2320 |
240 |
2560 |
2220 |
| 2500 Vertical |
2380 |
240 |
2620 |
2410 |
| 3000 Vertical |
2040 |
240 |
2280 |
2890 |
| 4000 Vertical |
2600 |
240 |
2840 |
2890 |
| 5000 Vertical |
2730 |
240 |
2970 |
3000 |
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Stress Calculations for Underground 800 Gal. Polytuff water tank
Polytuff Underground Water Tank Diamensions for Capacity from 300 To 1200 US Gallon
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| Tank Type |
Tank Height H1(mm) |
Manhole Height H2(mm) |
Total Height H1+H2=H3 (mm) |
Diameter D1(mm) |
Lid Size (mm) |
Manhole Size (mm) |
Opening & Manhole Cover Size (mm) |
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| 300 Vertical |
1050 |
270 |
1320 |
1390 |
400 mm Threaded |
500 |
600 |
| 400 Vertical |
1355 |
270 |
1625 |
1400 |
400 mm Threaded |
500 |
600 |
| 500 Vertical |
1320 |
270 |
1590 |
1700 |
400 mm Threaded |
500 |
600 |
| 600 Vertical |
1430 |
270 |
1700 |
1670 |
400 mm Threaded |
500 |
600 |
| 800 Vertical |
1430 |
270 |
1700 |
1830 |
600 mm Threaded |
900 |
1000 |
| 1000 Vertical |
1660 |
270 |
1930 |
1830 |
600 mm Threaded |
900 |
1000 |
| 1200 Vertical |
1890 |
270 |
2160 |
1830 |
600 mm Threaded |
900 |
1000 |
| IN LINE WITH OUR CONTENDING PRODUCT DEVELOPMENT, WE RESERVE THE RIGHT TO MODIFY OR CHANGE ANY OF OUR TANK DESIGN SPECIFICATIONS WITHOUT PRIOR NOTICE |
REVISED ON 20/01/2009 |
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Polytuff Underground Water Tank Diamensions for Capacity from 1500 To 5000 US Gallon
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| Tank Type |
Tank Height H1(mm) |
Manhole Height H2(mm) |
Total Height H1+H2=H3 (mm) |
Diameter D1(mm) |
Lid Size (mm) |
Manhole Size (mm) |
Opening & Manhole Cover Size (mm) |
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| 1500 Vertical |
1980 |
270 |
2260 |
2110 |
600mm Press Fit |
900 |
1000 |
| 2000 Vertical |
2340 |
250 |
2590 |
2160 |
600mm Press Fit |
900 |
1000 |
| 2500 Vertical |
2355 |
270 |
2625 |
2380 |
600mm Press Fit |
900 |
1000 |
| 3000 Vertical |
2050 |
250 |
2300 |
2850 |
600mm Press Fit |
900 |
1000 |
| 4000 Vertical |
2500 |
270 |
2770 |
2850 |
600mm Press Fit |
900 |
1000 |
| 5000 Vertical |
2635 |
270 |
2905 |
2950 |
600mm Press Fit |
900 |
1000 |
| IN LINE WITH OUR CONTENDING PRODUCT DEVELOPMENT, WE RESERVE THE RIGHT TO MODIFY OR CHANGE ANY OF OUR TANK DESIGN SPECIFICATIONS WITHOUT PRIOR NOTICE |
REVISED ON 20/01/2009 |
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Polytuff Underground Water Tank Diamensions for Capacity from 1500 To 5000 US Gallon
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