ADR portable tank provision TP19
Shell built 3 mm thicker than the 6.7.3.4 minimum as corrosion allowance; ultrasonic checks midway between hydraulic tests.
When the tank is built, its minimum shell thickness under 6.7.3.4 is increased by 3 mm to allow for corrosion. The thickness is checked ultrasonically halfway between periodic hydraulic tests and may never fall below the 6.7.3.4 minimum.
| Value | Applies when |
|---|---|
| 3 mm | corrosion allowance added to the 6.7.3.4 minimum shell thickness |
Note. On page 201 the TP19–TP33 codes are printed in a column separate from their texts; texts were matched to codes in printed order (15 codes, 15 texts).
Refers to: 6.7.3.4.
Carried by 2 Table A entries
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 4.2.5.3, TP19, page 201.
Paraphrase in FreightUtils' own words, not the official text. Not yet reviewed.
ADR 2027 amendments (accepted, applying from 1 January 2027) are not yet reflected on this page.