ADR tank special provision TU3
Shell interior and every part touching the substance kept clean; no lubricant that could react dangerously with it on pumps or valves.
Inside surfaces of the shell and any component the substance can reach must be kept clean. Pumps, valves and other devices must not be lubricated with anything that could combine dangerously with the substance.
Carried by 155 Table A entries
UN 0331 · UN 1438 · UN 1439 · UN 1444 · UN 1445 · UN 1446 · UN 1447 · UN 1448 · UN 1449 · UN 1450 · UN 1451 · UN 1452 · UN 1453 · UN 1454 · UN 1455 · UN 1456 · UN 1457 · UN 1458 · UN 1459 · UN 1461 and 107 more UN numbers
Source: ADR 2025 (ECE/TRANS/352), Volume II, section 4.3.5, TU3, page 223.
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.