British Standards Institution

Source:: ISO
Committee:: GSE/40 - Gas supply equipment for natural gas vehicles
Categories:: Fuel systems
Comment period start date:: 27/12/2024
Comment period end date:: 19/02/2025
Number of comments:: 1

Comment by:

19th Feb

Scope

This document specifies the minimum safety requirements applicable to liquefied natural gas (LNG) on-board fuel system intended for use on the types of motor vehicles defined in ISO 3833.

This document is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using liquefied natural gas in accordance with the ISO 15403 series. It is applicable to original-production and converted vehicles.

All matters relating to the skills of installers and converters have been excluded from this document.

This document is only applicable on the components in the "LNG system" meaning an assembly of components (tanks, valves, flexible fuel lines, etc., see Annex B) and connecting parts (fuel lines, fittings, etc.) fitted on motor vehicles using LNG in their propulsion system and related components up to and including the vaporizer. Other parts downstream from the vaporizer are considered as CNG components covered by ISO 15501.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

28/10/2024

3. Public Comments

Public Comments start date:

27/12/2024

Public Comments end date:

19/02/2025

Learn more about the standards development process

Standards Development

BS ISO 19723-1 ISO 19723-1 Road vehicles. Liquefied natural gas (LNG) fuel systems. Part 1: Safety requirements

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