Introduction

The terms and definitions in this document are given in the following layout:

preferred term(s)	in bold typeface
admitted term(s)	or synonyms, in normal typeface
DEPRECATED: deprecated term	deprecated term(s), in normal typeface, with the designation “DEPRECATED”:
definition	the definition, where available, in normal typeface
Note 1 to entry:	notes to entry, cross-references and examples.
Figures/non-verbal representations

The terms in this document are sorted in systematic order as far as possible. Further guidance on terminological presentation can be found in ISO 10241‑1.

The definitions support the understanding of the terms used in this document. They have been prepared with due regard to possible uses in different fields related to gas cylinders. However, it is possible that they will require adaption for particular uses.

Within this document, the term “ADR” is for simplification used as to also include similar regulations such as RID and ADN, where appropriate.

This document has been written so that it is suitable to be referenced in the UN Model Regulations^[⁴^].

Table 1 shows a hierarchical overview of pressure receptacles according to the UN Model Regulations.

Annex A shows the different pressures for pressure receptacles in relation to each other.

Annex B shows a table including equivalent terms for additional terminology.

Annex C shows figures related to the additional terminology given in Annex B.

Terms given in square brackets are not within the scope of this document. They are shown for information only.

Table 1 — Hierarchical overview of terms for pressure receptacles

battery vehicle^d	small receptacle containing gas (gas cartridge) and aerosol dispenser	MEGC (multiple- element gas container)	pressure receptacle							[tank^a]
			cylinder	tube	pressure drum	bundle of cylinders	salvage pressure receptacle	[closed cryogenic receptacle^b]	[metal- hydride storage system^c]

a In scope of CEN/TC 296 and CEN/TC 286.

b In scope of ISO/TC 220.

c In scope of ISO/TC 197.

d This designation is used in the ADR.

NOTE Within this document, for simplification, the use of the term “ADR” also includes similar regulations such as RID and ADN, where appropriate.

BS EN ISO 10286:2021

Gas cylinders. Vocabulary

Published:

31 Dec 2021

Withdrawn:

19 Aug 2025

1 Scope