T14 PORTABLE TANK INSTRUCTION T14
The general provisions of section 4.2.1 and the requirements of section 6.7.2 shall be met.
Minimum test pressure 6 bar
Minimum shell thickness (reference steel) 6 mm
Pressure-relief provisions A frangible disc preceding a spring-loaded pressure-relief device, or an approved relief device constructed of materials compatible with the load.
Bottom opening provisions Not allowed
Alternatives permitted T19, T20, T22

Special packing provisions:

TP1
The degree of filling prescribed in 4.2.1.9.2 shall not be exceeded.
TP2
The degree of filling prescribed in 4.2.1.9.3 shall not be exceeded.
TP6
To prevent the tank bursting in any event, including fire engulfment, it shall be provided with pressure-relief devices which are adequate in relation to the capacity of the tank and to the nature of the substance transported. The device shall also be compatible with the substance.
TP7
Air shall be eliminated from the vapour space by nitrogen or other means.
TP13
Self-contained breathing apparatus shall be provided when this substance is transported, unless no self-contained breathing apparatus, as required by SOLAS regulation II-2/19 (II-2/54), is on board.
TP27
A portable tank having a minimum test pressure of 4 bar may be used if it is shown that a test pressure of 4 bar or less is acceptable according to the test pressure definition in 6.7.2.1.