ADR special provision 396
Large robust articles may travel with connected nitrogen or air cylinders with valves open, notwithstanding 4.1.6.5, under listed conditions.
Large, robust articles may be carried with their gas cylinders connected and the valves open, even though 4.1.6.5 would normally forbid it, provided conditions (a) to (f) are met.
| Value | Applies when |
|---|---|
| 35 kPa (0.35 bar) | maximum gauge pressure of gas in the article |
Conditions
- (a) Cylinders contain nitrogen (UN 1066), compressed gas of UN 1956 or compressed air (UN 1002).
- (b) Connected through pressure regulators and fixed piping so gauge pressure in the article stays at or below 35 kPa (0.35 bar).
- (c) Cylinders secured against movement relative to the article and fitted with strong, pressure-resistant hoses and pipes.
- (d) Cylinders, regulators, piping and other parts protected from damage and impact, e.g. by wooden crates.
- (e) Transport document states "Transport in accordance with special provision 396".
- (f) Cargo transport units with such articles, where the gas is an asphyxiation risk, are well ventilated and marked per 5.5.3.6.
| documents | Transport document statement "Transport in accordance with special provision 396" |
|---|
Refers to: 4.1.6.5; 5.5.3.6.
Carried by 1 Table A entry
Source: ADR 2025 (ECE/TRANS/352), Volume I, section 3.3.1, special provision 396, page 639.
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.