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Technical Table
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VISTA PIPES OUTDATES ALL THE OTHER PIPING TECHNOLOGY
|
Outer Diameter (mm) |
16 |
20 |
25 |
32 |
40 |
Inner diameter (mm) |
12 |
16 |
20 |
25 |
32 |
Wall thickness (mm) |
2 |
2 |
3 |
3 |
4 |
Max. Working temperature (°C) |
90 |
90 |
90 |
90 |
90 |
Min. working temperature (°C ) |
-40 |
-40 |
-40 |
-40 |
-40 |
Max. Working pressure (bar) |
13 |
13 |
13 |
13 |
13 |
Coefficient of thermal conduction (W/m/K) |
0,43 |
0,43 |
0,43 |
0,43 |
0,43 |
Linear expansion coefficient (mm/m/K) |
0,025 |
0,025 |
0,025 |
0,025 |
0,025 |
Surface roughness of inner pipe (μ) |
7 |
7 |
7 |
7 |
7 |
Oxygen diffusion (mg/l) |
0 |
0 |
0 |
0 |
0 |
Weight (kg/m)
|
0,125 |
0,147 |
0,252 |
0,39 |
0,528 |
Water volume (l/m) |
0,113 |
0,201 |
0,314 |
0,53 |
0,803 |
Minimum pipe ring strength at 23C, Burst pressure
S.No |
Nominal pipe
size in mm |
Minimum pipe
ring strength in N |
Minimum burst
pressure MPa |
1 |
09 12 |
2100 |
7.00 |
2 |
10 14 |
2100 |
7.00 |
3 |
12 16 |
2100 |
6.00 |
4 |
16 20 |
2400 |
5.00 |
5 |
20 25 |
2400 |
4.00 |
6 |
25 32 |
2700 |
4.00 |
7 |
32 40 |
2700 |
3.50 |
8 |
40 50 |
2700 |
3.50 |
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