DIN EN ISO 24431 E 2015-08 PDF

Full title and description

STB DIN EN ISO 24431 E 2015-08 — Gas cylinders — Cylinders for compressed and liquefied gases (excluding acetylene) — Inspection at time of filling. This entry refers to the national/European draft/adoption version (prEN / E-version) of ISO/DIS 24431 issued in 2015 and presented as a DIN/EN adoption under the STB designation.

Abstract

This document sets out inspection requirements to be carried out at the time a transportable gas cylinder is filled. It applies to seamless, welded and composite cylinders for compressed or liquefied gases (excluding acetylene), and addresses visual and functional checks, acceptance/rejection criteria and the minimum checks necessary before a cylinder may be released after filling. The 2015 DIN/EN/ISO draft version was later superseded by the confirmed ISO 24431 edition published in 2016.

General information

• Status: Withdrawn / draft national adoption (prEN) — superseded by ISO 24431:2016.
• Publication date: 2015-08 (E‑version dated August 2015; date of issue recorded in some catalogs as 17 July 2015).
• Publisher: National adoption recorded under STB and DIN as an EN/ISO adoption of ISO/DIS 24431:2015; original international issuer: ISO (International Organization for Standardization).
• ICS / categories: 23.020.35 — Gas cylinders.
• Edition / version: E 2015-08 (prEN / DIS national/EN draft adoption version).
• Number of pages: 37 (as recorded for the 2015 EN/DIN draft publication; the later ISO 2016 publication comprises 14 pages).

Scope

The standard specifies inspection requirements at the time of filling for transportable gas cylinders made of steel or aluminium-alloy (Type 1) and for composite cylinders (Types 2–5) with a water capacity up to 150 L. It may be applicable to larger cylinders (150–450 L) when inspected and filled individually. Exclusions include acetylene cylinders, bundles of cylinders, tubes, multiple-element gas containers (MEGCs) and battery vehicles. Specific LPG applications are referenced to ISO 10691, and cylinder bundles are referenced to ISO 11755.

Key topics and requirements

• Pre-fill visual inspection (external condition, corrosion, mechanical damage, correct markings and labelling).
• Verification of test dates, inspection markings and conformity with periodic inspection requirements.
• Valve and safety device checks (integrity, correct type and functioning before and after filling).
• Leak detection and tightness checks as part of the filling sequence.
• Acceptance and rejection criteria, including defects that require removal from service or additional testing.
• Procedures for handling, filling and returning cylinders to service with operator responsibilities and documentation.
• Applicability notes and references to related standards for specific gases (e.g., LPG) and for cylinder bundles or MEGCs.

Typical use and users

This standard is used by gas filling stations, cylinder filling and distribution companies, cylinder inspectors and test houses, manufacturers and repair workshops, transport and logistics operators handling filled cylinders, and national regulatory and conformity assessment bodies. It is applied operationally at the point of filling to ensure safe distribution and use of compressed and liquefied gases (non‑acetylene).

Related standards

Key related standards include the earlier ISO 24431:2006 and the confirmed ISO 24431:2016 (which superseded the 2015 draft). Other related publications cited within the standard include ISO 10691 (specific LPG applications), ISO 11755 (cylinder bundles), and relevant ISO/DIN/EN series covering cylinder design, manufacturing and periodic inspection (examples: ISO standards for cylinder construction and periodic testing).

Keywords

gas cylinders; cylinder filling inspection; compressed gases; liquefied gases; cylinder visual check; leak test; valve inspection; ISO 24431; DIN EN ISO; inspection at time of filling; non‑acetylene.

FAQ

Q: What is this standard?

A: It is the DIN/EN/ISO draft/adoption entry (E 2015-08) for ISO/DIS 24431, specifying inspection requirements to be performed at the time a transportable gas cylinder is filled. It represents the 2015 national/European draft adoption prior to the confirmed international ISO publication in 2016.

Q: What does it cover?

A: It covers visual and functional inspection steps, acceptance and rejection criteria, valve and safety-device checks, leak detection and documentation requirements to ensure cylinders are safe to fill and release after filling. It excludes acetylene cylinders, cylinder bundles, MEGCs and battery vehicles and provides cross‑references for LPG and bundle cases.

Q: Who typically uses it?

A: Users include gas filling operators, cylinder test houses and inspectors, manufacturers, repair and refurbishment facilities, transporters of filled cylinders and regulators or certification bodies overseeing cylinder safety at time of filling.

Q: Is it current or superseded?

A: The 2015 DIN/EN/ISO draft (E 2015-08) was a draft/national adoption stage and has been superseded by the confirmed ISO 24431 edition published in 2016. The 2015 draft is recorded as withdrawn in national catalogs where the later ISO/EN adoption replaced it.

Q: Is it part of a series?

A: Yes. ISO 24431 is part of the body of standards maintained by ISO/TC 58 relating to gas cylinders and their inspection, testing and safe handling. It is connected by reference to other cylinder standards (for design, periodic testing and specific gas applications) such as ISO 10691 and ISO 11755.

Q: What are the key keywords?

A: Key keywords are: gas cylinders, inspection at filling, compressed gases, liquefied gases, cylinder filling inspection, valve check, leak test, ISO 24431, DIN EN ISO.