What is ISO 20766-9 - Pressure relieve device about?
ISO 20766-9 is the ninth part of the multi-series standard that specifies general requirements and definitions of liquefied petroleum gas fuel components, intended for use on the types of motor vehicles as defined in ISO 3833 .
ISO 20766-9 also provides general design principles and specifies requirements for instructions and marking.
ISO 20766-9 is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using gaseous fuels in accordance with ISO 9162 . BS ISO 20766-9:2019 history
2019BS ISO 20766-9:2019 Road vehicles. Liquefied petroleum gas (LPG) fuel systems components - Pressure relieve device (PRD)