T18 PORTABLE TANK INSTRUCTION T18
The general provisions of section 4.2.1 and the requirements of section 6.7.2 shall be met.
Minimum test pressure 10 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 3 shut-off devices required.
Alternatives permitted T19, T20, T22