The portable tank instructions T1 to T22 apply to liquid and solid substances of class 1 and classes 3 to 9. The general provisions of section 4.2.1 and the requirements of section 6.7.2 shall be met. The instructions for portable tanks with FRP shells apply to substances of classes or divisions 1, 3, 5.1, 6.1, 6.2, 8 and 9. Additionally, the provisions of chapter 6.10 apply to the portable tanks with FRP shells.

T4

Minimum test pressure (bar): 2,65

Minimum shell thickness (in mm - reference steel) (see 6.7.2.4): see 6.7.2.4.2

Pressure-relief provisions *) (see 6.7.2.8): Normal

Bottom opening provisions (see 6.7.2.6): see 6.7.2.6.3

*) When the word "Normal" is indicated, all the requirements of 6.7.2.8 apply except for 6.7.2.8.3.