| PORTABLE TANK |
MINIMUM TEST |
MINIMUM SHELL THICKNESS |
PRESSURE RELIEF PROVISIONS |
BOTTOM OPENING |
| INSTRUCTION |
PRESSURE (BAR) |
(in mm reference steel) |
|
PROVISIONS |
| T1 |
1.5 |
5 mm if D < 1.80 m or 6 mm if D > 1.80 |
Normal (no bursting disc required) |
2 shut-off devices |
| T2 |
1.5 |
5 mm if D < 1.80 m or 6 mm if D > 1.80 |
Normal (no bursting disc required) |
3 shut-off devices |
| T3 |
2.65 |
5 mm if D < 1.80 m or 6 mm if D > 1.80 |
Normal (no bursting disc required) |
2 shut-off devices |
| T4 |
2.65 |
5 mm if D < 1.80 m or 6 mm if D > 1.80 |
Normal (no bursting disc required) |
3 shut-off devices |
| T5 |
2.65 |
5 mm if D < 1.80 m or 6 mm if D > 1.80 |
Safety relief valve with bursting disc in series |
Not allowed |
| T6 |
4 |
5 mm if D < 1.80 m or 6 mm if D > 1.80 |
Normal (no bursting disc required) |
2 shut-off devices |
| T7 |
4 |
5 mm if D < 1.80 m or 6 mm if D > 1.80 |
Normal (no bursting disc required) |
3 shut-off devices |
| T8 |
4 |
5 mm if D < 1.80 m or 6 mm if D > 1.80 |
Normal (no bursting disc required) |
Not allowed |
| T9 |
4 |
6 mm |
Normal (no bursting disc required) |
Not allowed |
| T10 |
4 |
6 mm |
Safety relief valve with bursting disc in series |
Not allowed |
| T11 |
6 |
5 mm if D < 1.80 m or 6 mm if D > 1.80 |
Normal (no bursting disc required) |
3 shut-off devices |
| T12 |
6 |
5 mm if D < 1.80 m or 6 mm if D > 1.80 |
Safety relief valve with bursting disc in series |
3 shut-off devices |
| T13 |
6 |
6 mm |
Normal (no bursting disc required) |
Not allowed |
| T14 |
6 |
6 mm |
Safety relief valve with bursting disc in series |
Not allowed |
| T15 |
10 |
5 mm if D < 1.80 m or 6 mm if D > 1.80 |
Normal (no bursting disc required) |
3 shut-off devices |
| T16 |
10 |
5 mm if D < 1.80 m or 6 mm if D > 1.80 |
Safety relief valve with bursting disc in series |
3 shut-off devices |
| T17 |
10 |
6 mm |
Normal (no bursting disc required) |
3 shut-off devices |
| T18 |
10 |
6 mm |
Safety relief valve with bursting disc in series |
3 shut-off devices |
| T19 |
10 |
6 mm |
Safety relief valve with bursting disc in series |
Not allowed |
| T20 |
10 |
8 mm |
Safety relief valve with bursting disc in series |
Not allowed |
| T21 |
10 |
10 mm |
Normal (no bursting disc required) |
Not allowed |
| T22 |
10 |
10 mm |
Safety relief valve with bursting disc in series |
Not allowed |