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CEN/TC 286 N1998 CIB for NWI to revise EN 1439:2017 "LPG equipment and accessories - Procedure for checking transportable refillable LPG cylinders before, during and after filling"

Scope

This document specifies the procedures to be adopted when checking transportable refillable LPG cylinders before, during and after filling.

This document applies to transportable refillable LPG cylinders of water capacity not exceeding 150 l and deemed to be fitted with valves designed according to EN ISO 14245 [4] and EN ISO 15995 [5].

This document does not cover the requirements for filling LPG cylinders that are designed and equipped for filling by the user.

This document does not cover the requirements for filling LPG containers on vehicles. This document is applicable to the following:

- welded and brazed steel LPG cylinders with a specified minimum wall thickness (see EN 1442 and EN 12807 [1] or an equivalent standard);

- welded steel LPG cylinders without specified minimum wall thickness (see EN 14140 or an equivalent standard);

- welded aluminium LPG cylinders (see EN 13110 [2] or an equivalent standard);

- composite LPG cylinders (see EN 14427 or an equivalent standard); and - over-moulded cylinders (OMC).

Specific requirements for the different types of cylinders are detailed in Annex A, Annex B, Annex C, Annex D and Annex G.

This draft standard is intended to be applied to cylinders complying with RID/ADR [6] [7] (including pi marked cylinders) and also to existing non RID/ADR cylinder populations.

Purpose

- there are confusing cross references between design manufacturing standards (e.g. EN 14427, EN 14140) and EN 1439 which need clarifications;

- parts related to the establishment of rejection criteria may be moved from the annexes to the main body of the text subject to further consideration by WG 7;

- it is necessary to define minimum rejection criteria requirements for composite cylinders types 3 / 4 / 5 (some requirements can be identical for different cylinder types) and develop a general table in Annex D with rejection limits common to each type of cylinders;

- add examples of tables for each type of composite with 3 levels of damage (like existing table D.2);

- add references to dedicated annexes in clause 4. Segregation at filling.

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