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Every 1000 litres (1m3) of water, requires 1Kg of Bio-Sure®
If your water volume is unknown, follow the steps below and use the simple calculator to establish the correct quantity of Bio-Sure blocks needed to effectively treat your cooling tower water system.
Firstly, establish the water volume, then select the quantity of Bio-Sure® required
- If one or more of the values below for “Heat Rejection” “Water Flow Rate” or “Water Volume” are known, then
use these to calculate the quantity of Bio-Sure® that is required.
- If these factors are unknown, then simply measure the diameter of the Cooling Tower “Inlet Pipe” at the point
where it has been physically connected to the tower by the manufacturer.
- If using the “Inlet Pipe” diameter to determine the water volume and two Bio-Sure® quantity values are stated
on the table, use the larger quantity.
kW heat rejection
(kW*0.2843=RT) |
Water Flow Rate |
Water Volume
(litres) |
Inlet Pipe
to the Tower (mm) |
Bio-Sure®
Quantity Required |
m3/hr |
l/min |
10.552 |
2.31 |
39 |
20-40 |
40 |
100g |
17.587 |
3.9 |
65 |
40-100 |
40 |
100g |
35.174 |
7.8 |
130 |
100-200 |
50 |
200g |
70.348 |
15.6 |
260 |
200-400 |
65 |
400g |
105.522 |
23.4 |
390 |
400-800 |
80 |
800g |
175.870 |
39.0 |
650 |
1,000-1,300 |
80 |
1.5kg |
211.045 |
46.8 |
780 |
1,300-1,600 |
100 |
1.5kg |
246.219 |
54.6 |
910 |
1,600-2,200 |
100 |
2.0kg |
351.741 |
78.0 |
1,300 |
2,200-3,000 |
125 |
3.0kg |
527.612 |
117.0 |
1,950 |
3,000-4,300 |
150 |
4.0kg |
703.482 |
156.0 |
2,600 |
4,300-6,500 |
150 |
7.0kg |
879.353 |
195.0 |
3,250 |
6,500-8,300 |
200 |
8.0kg |
1055.223 |
234.0 |
3,900 |
8,300-10,000 |
200 |
10.0kg |
1406.965 |
312.0 |
5,200 |
10,000-11,000 |
150x2 |
11.0kg |
1758.706 |
390.0 |
6,500 |
11,000-13,000 |
200x2 |
13.0kg |
2110.45 |
468.0 |
7,800 |
13,000-17,000 |
200x2 |
17.0kg |
2462.188 |
546.0 |
9,100 |
17,000-22,000 |
200x2 |
22.0kg |
2814.000 |
624.0 |
10,400 |
22,000-30,000 |
150x4 |
30.0kg |
3517.411 |
780.0 |
13,000 |
30,000-35,000 |
200x4 |
35.0kg |
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