This standard BS EN 13799:2022 LPG equipment and accessories. Contents gauges for Liquefied Petroleum Gas (LPG) pressure vessels is classified in these ICS categories:
23.020.01 Fluid storage devices in general
23.020.35 Gas cylinders
This document specifies minimum requirements for design and testing of contents gauges, which are directly connected to LPG transportable pressure vessels, LPG drums, LPG cylinders and static LPG pressure vessels above 0,5 l water capacity excluding those used for automotive containers. This document includes minimum requirements for the safe interchangeability of telemetry equipment, which is either integral in or additional to the contents gauge. This document does not apply to refineries or other process plants.