This European Standard specifies procedures for periodic inspection and testing, for transportable refillable LPG cylinders with a water capacity from 0,5 l up to and including 150 l.This standard is applicable to the following:- welded and brazed steel LPG cylinders with a specified minimum wall thickness (see EN 1442 and EN 12807 or the equivalent standard);- welded steel LPG cylinders without specified minimum wall thickness (see EN 14140:2003+A1 or the equivalent standard);- welded aluminium LPG cylinders (see EN 13110 or the equivalent standard);- composite LPG cylinders (see EN 14427 or the equivalent standard).This standard is intended to be applied to cylinders complying with RID/ADR (including pi marked cylinders) and also to existing non RID/ADR cylinder populations.This standard does not apply to cylinders permanently installed in vehicles.