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 European Standard is applicable to the following:— welded steel LPG cylinders manufactured to an alternative design and construction, see EN 14140 or equivalent standard; — welded aluminium LPG cylinders, see EN 13110 or equivalent standard; — composite LPG cylinders, see EN 14427 or equivalent standard; — over-moulded cylinders designed and manufactured according to EN 1442 or EN 14140, see Annex F.NOTE The requirements of RID/ADR take precedence over those of this standard in the case of cylinders complying with that regulation, including pi marked cylinders.This European Standard does not apply to cylinders permanently installed in vehicles.